Nortel Networks NN43001-563 Bedienungsanleitung

Nortel Communication Server 1000IP Trunk FundamentalsNN43001-563.

10 ContentsITG Card Properties Configuration window 349DSP maintenance window 349D-channel maintenance 350Transmit configuration data 350Add an IP Trunk

100 ITG engineering guidelinesTrunksCCSTrunksCCSTrunksCCSTrunksCCSTrunksCCS18 346 38 905 58 1504 78 2122 98 275219 373 39 935 59 1534 79 2153 99 27842

IP Trunk 3.01 (and later) traffic engineering 101TrunksCCSTrunksCCSTrunksCCSTrunksCCSTrunksCCS17 431 34 964 51 1515 68 2076 85 264486 2678 99 3116 112

102 ITG engineering guidelinessupporting the other half of the Followers. This rule covers D-Channelredundancy with two IP Trunk 3.01 (and later) rout

IP Trunk 3.01 (and later) traffic engineering 103(and later) TLAN subnet. IP Trunk 3.01 (and later) registers and re-registerswith a Gatekeeper. Unless

104 ITG engineering guidelinesFactors that effect the real-time capacityThe following factors affect real-time capacity:•host module type•the number o

Factors that effect the real-time capacity 105In a default QoS configuration, the Leader card must terminate and generatea total of 50 probe packets pe

106 ITG engineering guidelinesIn this section, the following assumptions are made to project the LeaderCard real-time capacity:•The number of probe pa

Factors that effect the real-time capacity 107Nortel recommends that traffic on a single card ITG-Pentium 24-port trunkcard node never exceed the follo

108 ITG engineering guidelinesTable 12Real-time capacity of a single card node with all 24 ports enabledCalls/hr CCS AHTMaximum number ofnodes monitor

Factors that effect the real-time capacity 109Service) divided by the number of channels per card. The number ofFollower cards required is affected by

Contents 11Disable the indicated IP trunk card 386Disable the indicated IP trunk card when idle 386Enable an indicated IP trunk card 386Disable an ind

110 ITG engineering guidelinesA node has only one Leader card; however, more then one DCHIP card canbe provisioned. If a DCHIP card fails, all IP trun

Factors that effect the real-time capacity 111Table 15Real-time capacity of a Media Card 32-port trunk card in the Leader roleNumberof QoSnodesinnetwo

112 ITG engineering guidelinesTo calculate the bandwidth requirement of a route, divide the total routetraffic by 36 CCS and multiply by the bandwidth

Factors that effect the real-time capacity 113Table 17Silence Suppression disabled TLAN Ethernet and WAN IP bandwidth usage per IP Trunk 3.01(and late

114 ITG engineering guidelinesSilence Suppression engineering considerationsSilence Suppression/Voice Activity Detection (VAD) results in averagebandw

Factors that effect the real-time capacity 115Fax traffic is always one-way. Fax pages sent and fax pages receivedgenerate data traffic to the TLAN subn

116 ITG engineering guidelinesthe two tromboned IP Trunks. There are three cases of direct media pathconnection between two tromboned IP Trunks (trunk

Factors that effect the real-time capacity 117TAT call ScenarioThe following call scenario helps to understand TAT.1. Site 1 and Site 2 both have an I

118 ITG engineering guidelinesTAT versus TRONortel recommends that both Trunk Route Optimization (TRO) and TAT beimplemented with IP Trunk 3.01 (and l

Factors that effect the real-time capacity 119Table 18 "Example: Traffic flow in a 4-node IP Trunk 3.01 (and later)network" (page 119) summari

12 ContentsMedia Card 32-port trunk card faceplate maintenance display codes 423ITG-Pentium 24-port trunk card faceplate maintenance display codes 425

120 ITG engineering guidelinesTable 20 "Example: Incremental WAN bandwidth requirement" (page120) summarizes the WAN traffic in kbit/s for ea

Assess WAN link resources 121where 14 CCS is the larger of two fax traffic parcels (14 CCS as comparedto 6 CCS).After adjusting for peaking, the increm

122 ITG engineering guidelinesThe third step is to assess how much spare capacity is available. Enterpriseintranets are subject to capacity planning p

Assess WAN link resources 123Figure 25Calculate network load with IP Trunk 3.01 (and later) trafficSuppose the intranet has a topology as shown in Figu

124 ITG engineering guidelinesr6 (10.8.0.1) 1 ms 1 ms 1 msr5 (10.18.0.2) 42 ms 44 ms 38 msr4 (10.28.0.3) 78 ms 70 ms 81 msr1 (10.3.0.1) 92 ms 90 ms 10

Assess WAN link resources 125Enough capacityFor each link, Table 23 "Computation of link capacity as compared to ITGload" (page 125) compare

126 ITG engineering guidelinesInsufficient link capacityIf there is not enough link capacity, implement one or more of the followingoptions:•Use the G.

Implement QoS in IP networks 127Unless voice traffic has been configured to have higher prior ity, the data filedownload could use most of the available

128 ITG engineering guidelinesand ebb in traffic flows. WAN links appear to be congested at one periodof time time and then are followed by a period of

Implement QoS in IP networks 129Queue managementQueueing delayFrom "Queuing delay" (page 133), it can be seen that queueing delay is amajor

Contents 13Appendix D Subnet mask conversion from CIDR to dotteddecimal format 457Appendix E CLI commands 459Appendix F Configure a Netg ear RM356 mode

130 ITG engineering guidelinesInternet Protocols and ports used by IP Trunk 3.01 (and later)The following IP applications and protocols are used by IP

Implement QoS in IP networks 131Port numbers used by IP Trunk 3.01 (and later)Table 25 "Pre-defined TCP ports" (page 131) and Table 26 "

132 ITG engineering guidelines•limiting the maximum frame size and fragmenting large frames onlow-speed WAN links•limiting the quantity of voice traffi

Implement QoS in IP networks 133Serialization delaySerialization delay is the time it takes to transmit the voice packet one bit ata time over a WAN l

134 ITG engineering guidelinesFigure 26Queuing delay of various linksAs can be seen in Figure 26 "Queuing delay of various links" (page 134)

Implement QoS in IP networks 135Other delay componentsOther delay components, generally considered minor, are as follows.• Router processing delayThe

136 ITG engineering guidelinesThe average rtt time on that link is about 40 ms; the one-way link delay isabout 20 ms, of which the circuit transmissio

Implement QoS in IP networks 137•Overloaded CPU.This is another commonly-monitored statistic collected by networkmanagement systems. If a router is ov

138 ITG engineering guidelinesTime-of-Day voice routingOther important objectives associated with IP Trunk 3.01 (and later) networktranslations and ro

Measure intranet QoS 139Use the ESN TGAR, NCOS, and facility restr iction levels to keep generalmodem traffic off the IP Trunk 3.01 (and later) route.M

14 ContentsNortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5 21 December 2007Copyright © 2007, Nortel Network

140 ITG engineering guidelinesIn the context of a Meridian 1/CS 1000M system with IP Trunk 3.01(and later), Figure 27 "Relationship between users

Measure intranet QoS 141The QoS level is a user-oriented QoS metric which takes on one of thesefour settings: excellent, good, fair, and poor, indicat

142 ITG engineering guidelinesFigure 28QoS levels with G.729A/AB codecFigure 29QoS level with G.711 codecNortel Communication Server 1000IP Trunk Fund

Measure intranet QoS 143Figure 30QoS level with G.723 codecObtain QoS measurement toolsPING and Traceroute are standard IP tools that are usually incl

144 ITG engineering guidelinestime=94ms68 bytes from (10.3.2.7): icmp_seq=0 ttl=225time=112ms68 bytes from (10.3.2.7): icmp_seq=0 ttl=225time=97ms^?--

Measure intranet QoS 145Measure end-to-end packet lossThe PING program also reports if the ICMP packet made its round tripcorrectly or not. Use the sa

146 ITG engineering guidelinesNetwork delay and packet loss evaluation exampleFrom PING data, calculate the average one-way delay (halved from PINGout

Measure intranet QoS 147In contrast, the site pair Santa Clara/Ottawa has both QoS levels of meanand mean+standard deviation falling in the excellent

148 ITG engineering guidelinesThis model already takes into account some character istics of the IP Phone,and therefore the impairment factors are not

Measure intranet QoS 149Table 32R value translationR Value (lower limit)MOS User Satisfaction90 4.5Very satisfied80 4.0Satisfied70 3.5Some users dissa

15New in this ReleaseThere have been no updates to the document in this release.Other changesRevision HistoryDecember 2007Standard 02.01. This documen

150 ITG engineering guidelinesQoS levelNetworkdelay (ms)Packetloss (%)G.71120G.729A/AB30G.723.1 (6.3 Kbps)30199 1fairpoorgood199 2fairpoorfair199 4poo

Measure intranet QoS 151•0.5% packet loss: lp = 2Then:R=94-0-0-2R=92Using Table 33 "IP Trunk 3.01 (and later) QoS levels" (page 149), a valu

152 ITG engineering guidelines•0.5% packet loss: lp = 8Then:R = 94 - 11 - 5 - 8R=70Using Table 33 "IP Trunk 3.01 (and later) QoS levels" (pa

IP Trunk 3.01 (and later) LAN installation and configuration 153Figure 31Basic setup of the IP Trunk 3.01 (and later) systemIP trunk card connections10

154 ITG engineering guidelinesThe Media Card 32-port and ITG-Pentium 24-port trunk cards have twoEthernet ports per card, so the IP Trunk 3.01 (and la

IP Trunk 3.01 (and later) LAN installation and configuration 155TLAN Node IP10.0.0.56TLAN Card IP10.0.0.57TLAN GW10.0.0.1TLAN Subnet Mask255.255.255.0.

156 ITG engineering guidelinesPrivate IP addressesPrivate IP addresses are internal IP addresses that are not routed over theinternet. They can be rou

IP Trunk 3.01 (and later) LAN installation and configuration 157Multiple IP Trunk 3.01 (and later) nodes on the same ELAN and TLANsegmentsThere are sev

158 ITG engineering guidelinesTLAN subnet designThe IP Trunk 3.01 (and later) nodes must connect to the intranet to minimizethe number of router hops

IP Trunk 3.01 (and later) LAN installation and configuration 159Priority routing for voice packetsRouters having the capability to turn on priority for

16 New in this ReleaseNortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5 21 December 2007Copyright © 2007, Nor

160 ITG engineering guidelinesWARNINGConfigure the ports on Layer 2 or Layer 3 switching equipmentas auto-negotiate.If one side is manually configured,

IP Trunk 3.01 (and later) DSP profile settings 161•Always keep the TLAN UTP cabling to less than 50 meters for theITG-Pentium 24-port trunk card.•As an

162 ITG engineering guidelines•Profile 3: G.711, G.729B, FaxThe Media Card 32-port trunk card does not support Profile 3.The DSP coding algorithm parame

IP Trunk 3.01 (and later) DSP profile settings 1632. Voice playout maximum delay.3. Fax playout nominal delay. This can range from 0 to 300 ms, with 10

164 ITG engineering guidelinesWhen a system equipped with an IP Trunk 3.01 (and later) node serves as atandem switch in a network where some circuit-s

Post-installation network measurements 165expectations and networking technology – can render a design obsolete ornon-compliant with QoS objectives. R

166 ITG engineering guidelinesIn subsequent design cycles, review and refine the QoS objective, basedon data collected from intranet QoS monitoring.Hav

Post-installation network measurements 167SNMP network managementSimple Network Management Protocol (SNMP)-based NetworkManagement Systems (NMS) provi

168 ITG engineering guidelines— number of cards and ports, IP Trunk 3.01 (and later) node and cardparameters— fallback threshold level— Codec image— v

169TM 3.1 management and configurationof IP Trunk 3.01 (and later)ContentsThis section contains information on the following topics:"Introduction&

17How to Get HelpThis chapter explains how to get help for Nortel products and services.Getting help from the Nortel web siteThe best way to get techn

170 TM 3.1 management and configuration of IP Trunk 3.01 (and later)2. In theory, a single TM 3.1 installation can support up to 500 system’s.However,

TM 3.1 remote access configuration 171Figure 32Remote access with full access to customer LAN/WANA single remote support and administration TM 3.1 PC c

172 TM 3.1 management and configuration of IP Trunk 3.01 (and later)Figure 33Remote access with no access to customer LAN/WANIn this case, a local TM 3

TM 3.1 PC hardware and software requirements 173A single network drive location is chosen during the TM 3.1 client PCinstallation process. For multi-s

174 TM 3.1 management and configuration of IP Trunk 3.01 (and later)•printer port (required for the dongle)•dongle (for server or stand-alone only)•Win

TM 3.1 PC hardware and software requirements 175TM 3.1 application Program store Data storeMaintenanceWindows1 MB NegligibleAlarmManagement withAlarm

176 TM 3.1 management and configuration of IP Trunk 3.01 (and later)Nortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRele

177Install and configure IP Trunk 3.01 (andlater) nodeContentsThis section contains information on the following topics:"Introduction" (page

178 Install and configure IP Trunk 3.01 (and later) node"Install filter and NTND26 cable (for MSDL and DCHIP cards in different LargeSystem equipm

Introduction 179"Configure Network Connections" (page 239)"Configure card properties" (page 240)"Configure DSP profiles for t

18 How to Get Helphttp://www.nortel.com/ercGetting help through a Nortel distributor or re-sellerIf you purchased a service contract for your Nortel p

180 Install and configure IP Trunk 3.01 (and later) nodeBefore you beginFollow the steps in Procedure 6 "Meeting installation requirements" (

Installation procedure summary 181Table 37Installation proceduresStepProcedureSeepage1 "Create the IP Trunk 3.01 (and later) Installation Summary

182 Install and configure IP Trunk 3.01 (and later) nodeStepProcedureSeepage"Exit node property configuration session" (page 252)."Creat

Create the IP Trunk 3.01 (and later) Installation Summary Sheet 183•In LD 86, provision the RLB (Route List Block) RLI (Route List Index)blocks.— Add

184 Install and configure IP Trunk 3.01 (and later) nodeaddress address addressLeader 0Leader 1FollowerFollowerFollowerFollowerFollowerFollowerFollower

Channel Identifier planning 185Table 39Mapping of unit number to ISL Channel number one card in systemUnit number (from TN)ISL Channel number0112233445

186 Install and configure IP Trunk 3.01 (and later) nodeTable 40Mapping of unit number to ISL Channel number, one card in systemUnit number (from TN)IS

Channel Identifier planning 187Two cards, sequential numbering, gap left for expansionThis example is for two ITG-Pentium 24-port trunk cards. To allow

188 Install and configure IP Trunk 3.01 (and later) nodeUnit number (from TN)ISL Channel number18 1919 2020 2121 2222 2323 24Card 2Card 2 ISL channel n

Channel Identifier planning 189Incorrect ISL channel numbering plansThis section describes numbering plan errors.Gaps in ISL channel numbering sequence

19Overview of IP Trunk 3.01ContentsThis section contains information on the following topics:"Introduction" (page 19)"Startup and regis

190 Install and configure IP Trunk 3.01 (and later) nodeOverlapping channel numbersDo not provision the ISL channel numbers on both cards with the same

Install and cable IP Trunk 3.01 (and later) cards 191The ITG-Pentium 24-port trunk card requires 24-pair tip and ring I/O cabling.NT8D37AA IPE modules

192 Install and configure IP Trunk 3.01 (and later) node2Remove any existing I/O panel cables associated with any cardpreviously installed in the selec

Install NTCW84JA Large System I/O Panel 50-Pin filter adapter 193When the IP trunk cards are installed, the red LED on the faceplate islit if: the card

194 Install and configure IP Trunk 3.01 (and later) nodeRemove existing I/O panel filter adapterThe standard I/O filter adapter is shielded metal with a

Install NTMF94EA and NTCW84KA cables 195Figure 35NTCW84JA 50 pin I/O Panel Filter Connector BlockEven though the ITG-Pentium 24-port trunk card is a t

196 Install and configure IP Trunk 3.01 (and later) nodeInstall the NTCW84KA cable (for DCHIP cards)Follow the steps in Procedure 9 "Installing th

Install NTMF94EA and NTCW84KA cables 197Figure 36NTCW84KA ELAN, TLAN, DCH, and serial cableInstall the NTMF94EA cable (for non-DCHIP cards)Follow the

198 Install and configure IP Trunk 3.01 (and later) nodeorder to tie the shield of the LAN cable to the frame ground for EMCcompliance.Figure 37NTMF94E

Configure NT6D80 MSDL switches 199When connecting the Media Card 32-port trunk card and/or ITG-Pentium24-port trunk card to the TLAN subnet, the link s

Document status: StandardDocument version: 02.01Document date: 21 December 2007Copyright © 2007, Nortel NetworksAll Rights Reserved.Sourced in CanadaL

20 Overview of IP Trunk 3.01In addition to routing IP Telephony calls with locally configured call-routingoptions, IP Trunk 3.01 takes advantage of the

200 Install and configure IP Trunk 3.01 (and later) nodeTable 44NT6D80 MSDL settings for ITG-Pentium 24-port trunk card DCHIPPort 0 – SW4 Port 0 – SW8R

Install filter and NTND26 cable (for MSDL and DCHIP cards in same Large System equipmentrow) 201•NTND26AB – 18 ft•NTND26AC – 35 ft•NTND26AD – 50 ft4Con

202 Install and configure IP Trunk 3.01 (and later) nodeFigure 39NTND26 cable routing diagram5 Connect the DCH (P5) connector of the NTCW84KA to the ou

Install filter and NTND26 cable (for MSDL and DCHIP cards in different Large System equipmentrows) 2032Install the 15-pin I/O panel filter connector on

204 Install and configure IP Trunk 3.01 (and later) nodeTable 45NTAK02 SDI/DCH switch settings for IP Trunk 3.01 (and later) DCHIPPort 1SW 1-1 SW 1-2DC

Cabling for the Media Card 32-port trunk card 205Procedure 14Installing the serial cableStep Action1To make a temporary connection to the IP Trunk 3.0

206 Install and configure IP Trunk 3.01 (and later) nodeThe ELAN network interface supports 10BaseT operation. The TLANnetwork interface supports 10/10

Cabling for the Media Card 32-port trunk card 207Figure 40EMC kit deploymentITG Card ELAN/TLAN Adapter (L-adapter)The L-adapter routes the signals to

208 Install and configure IP Trunk 3.01 (and later) nodeFigure 41ITG card ELAN/TLAN adapter (L-adapter)Figure 42 "ITG card ELAN/TLAN adapter (Larg

Cabling for the Media Card 32-port trunk card 209Figure 42ITG card ELAN/TLAN adapter (Large system)To install the L-adapter in a Small System, use a s

Introduction 21•handles the call based on the return message from the GatekeeperIP Trunk 3.01 (and later) accesses additional devices through theGatek

210 Install and configure IP Trunk 3.01 (and later) nodeFigure 43ITG card ELAN/TLAN adapter fitted to a Meridian 1 Option 11C Cabinet/ CS 1000M CabinetT

Cabling for the Media Card 32-port trunk card 211Figure 44ITG card ELAN/TLAN adapter fitted to a Meridian 1 PBX 11C Chassis/CS 1000M ChassisWhen Media

212 Install and configure IP Trunk 3.01 (and later) node•8 data bits•1 stop bit, no parity•no flow controlNTMF29BA DCHIP cableThe NTMF29BA DCHIP cable c

Cabling for the Media Card 32-port trunk card 2132Fit the screw through the secondary side of the Media Card 32-porttrunk card into the threaded hole

214 Install and configure IP Trunk 3.01 (and later) nodeFigure 46Large System DCHIP cabling setup: intra-column/cubeNTMF04BA MSDL extension cableThe NT

Cabling for the Media Card 32-port trunk card 215Figure 47Large system DCHIP cabling setup: inter-columnWhen the Universal Equipment Modules (UEM) are

216 Install and configure IP Trunk 3.01 (and later) nodeFigure 48Option 11C DCHIP system cablingNTWE04AC/AD SDI/DCH Meridian 1 Option 11C Cabinet/CS100

Cabling for the Media Card 32-port trunk card 217Install ITG EMC shielding kit NTVQ83 with Small and Large System types.Refer to "ELAN and TLAN n

218 Install and configure IP Trunk 3.01 (and later) nodeFigure 49Wiring specifications—End—Configure IP Trunk 3.01 (and later) dataFirst, configure D-chan

Configure IP Trunk 3.01 (and later) data 219Prompt Response DescriptionGRPxNetwork Group number, where:x=0–4DNUMxDevice Number for I/O ports, where:x=0

22 Overview of IP Trunk 3.01WARNINGThe only Gatekeeper that IP Trunk 3.01 (and later) officiallysupports is the CS 1000M Gatekeeper. Gatekeeper calls m

220 Install and configure IP Trunk 3.01 (and later) nodePrompt Response DescriptionSIDE (USR) MSDL acts as User side of ISL.The IP Trunk 3.01 (and late

Configure IP Trunk 3.01 (and later) data 221Prompt Response DescriptionSIDE (USR) Meridian 1 Option 11C Cabinet/CS 1000M CabinetSDI/DCH card acts as Us

222 Install and configure IP Trunk 3.01 (and later) nodePrompt Response Description...USR ISLD UserIFC SL1 Interface type for D-channelISLM382Maximum n

Configure IP Trunk 3.01 (and later) data 223Prompt Response Description- PNI (0) – 32700 Private Network Identifier. Configure the PNI to 1 or othernon

224 Install and configure IP Trunk 3.01 (and later) nodePrompt Response DescriptionTKTP Trunk type.TIE The trunk type for IP Trunk 3.01 (and later) tru

Configure IP Trunk 3.01 (and later) data 225Prompt Response DescriptionNCNA (YES) NO Network Calling Name allowed.NCRD (NO) YES Network Call Redirectio

226 Install and configure IP Trunk 3.01 (and later) nodeTable 48LD 16 NEW/CHG/OUTPrompt Response Descriptionreqnew/chg/outtyperdb Route Data Block.cust

Configure IP Trunk 3.01 (and later) data 227ABTR (15) Range 0-30 Timer (in minutes) blocks the disconnect from beingtandemed across to the target node.

228 Install and configure IP Trunk 3.01 (and later) nodePrompt Response DescriptioncuFormat for Small System and Media Gateway 1000B wherec = card and

Configure IP Trunk 3.01 (and later) data 229Prompt Response DescriptionFor nodes containing a mixture of 24-port and 32-port IPtrunk cards, determine t

Startup and registration 23Figure 3 "Gatekeeper-routed call" (page 23) represents a Gatekeeper-routedcall. The destination IP address provid

230 Install and configure IP Trunk 3.01 (and later) nodeinterface MAC address; for example: 00:60:38:01:06:C6. To find the ELANnetwork interface MAC add

Configure dialing plans within the corporate network 231The time schedule is a 24-hour clock which is divided up the same wayfor all 7 days. Basic step

232 Install and configure IP Trunk 3.01 (and later) nodeIf ESN5 is provisioned for an IP Trunk 3.01 (or later) node (both in the RDBand on the node car

Configure dialing plans within the corporate network 233Use the traditional PSTN for general modem trafficGeneral modem traffic (for example, V.36, V.90)

234 Install and configure IP Trunk 3.01 (and later) nodeLD 86 Configure Route List Block with Step Back on Congestion on ISDNPrompt Response Description

Configure dialing plans within the corporate network 235Prompt Response DescriptionTYPE DSCTSCDistant Steering Code.Trunk Steering Code...RLBxxRoute L

236 Install and configure IP Trunk 3.01 (and later) nodeThe IP trunk cards must be enabled later after the card properties andoptionally, the IP Trunk

Configure IP Trunk 3.01 (and later) data in TM 3.1 237Add an IP Trunk 3.01 (and later) node and configure general nodepropertiesFollow the steps in Proc

238 Install and configure IP Trunk 3.01 (and later) nodeFigure 51General tabConfigure node location properties5Define the Node Location properties: selec

Configure IP Trunk 3.01 (and later) data in TM 3.1 239For traffic reasons, use separate subnets for nodes consisting of multipleITG-Pentium 24-port trun

24 Overview of IP Trunk 3.01The flag value is ignored when the provisioned Gatekeeper is a CS1000M Gatekeeper.On startup, if the IP Trunk 3.01 (and lat

240 Install and configure IP Trunk 3.01 (and later) nodea. Enter the ELAN node IP address in the Management LANNode IP field.b. Enter the ELAN network i

Configure IP Trunk 3.01 (and later) data in TM 3.1 241When adding the first card, select the card role Leader 0. Whenadding the second card, select the

242 Install and configure IP Trunk 3.01 (and later) nodeEach Follower card can optionally have its TLAN network interfaceIP address and TLAN network in

Configure IP Trunk 3.01 (and later) data in TM 3.1 243The choices are SL1, SL1 ESN5, ESIG and ISIG for networksconsisting of Large Systems. For network

244 Install and configure IP Trunk 3.01 (and later) nodeConfigure DSP profiles for the IP Trunk 3.01 (and later) nodeFollow the steps in Procedure 20 &qu

Configure IP Trunk 3.01 (and later) data in TM 3.1 2453Click the Profile Options tab. See Figure 54 "DSP Profile ProfileOptions tab" (page 245).

246 Install and configure IP Trunk 3.01 (and later) nodeFigure 55DSP Profile Codec Options tab6Perform steps 7 and 8 if required. To revert to the defau

Configure IP Trunk 3.01 (and later) data in TM 3.1 247Change default DiffServ/ToS value for Control and VoiceFollow the steps in Procedure 21 "Cha

248 Install and configure IP Trunk 3.01 (and later) nodeSubnet mask = 255.255.255.0Subnet = 23.11.42.0IP Trunk card TLAN IP = 23.11.42.121Subnet mask =

Configure IP Trunk 3.01 (and later) data in TM 3.1 2492Check the Enable SNMP traps check box to enable sending ofSNMP traps to the SNMP trap destinatio

IP Trunk 3.01 (and later) and CS 1000S/CS 1000M 25CS 1000M do not require a Gatekeeper Request from IP Trunk 3.01(and later); therefore, no Request or

250 Install and configure IP Trunk 3.01 (and later) nodeThe IP trunk card uses the addresses in the routing table entries toroute signaling packets ove

Control node access with SNMP community name strings 251Figure 57Accounting Server tab2Click the Enable Radius accounting records checkbox.3Enter the

252 Install and configure IP Trunk 3.01 (and later) nodeThe community name strings are configured on the Security tab. These arenot picked up from the S

Control node access with SNMP community name strings 253Create the IP Trunk 3.01 (and later) node dialing plan using TM 3.1Follow the steps in Procedu

254 Install and configure IP Trunk 3.01 (and later) nodeFigure 59ITG Dialing Plan Remote Node Properties window General tab3Select the destination Node

Control node access with SNMP community name strings 255In addition to IP Trunk 3.01 (and later) nodes, the IP telephony trunknetwork may contain ITG

256 Install and configure IP Trunk 3.01 (and later) node3Enter the Called Number digits for the ESN translation type in theDial plan digits field. See #

Control node access with SNMP community name strings 257Figure 60ITG Dialing Plan Remote Node Properties window Digits dialed tabThe digit manipulatio

258 Install and configure IP Trunk 3.01 (and later) node6Click Apply.7Repeat steps 7 through 11 until all the ESN translation Dial Plandigits for this

Control node access with SNMP community name strings 2594Click the Configuration tab. Record the Management IP address ofLeader 0 on the new node.5On t

26 Overview of IP Trunk 3.01H.323 RAS, IP Trunk 3.01 (and later) uses RAS Messaging to registerwith the Gatekeeper if provisioned to do so. IP Trunk 3

260 Install and configure IP Trunk 3.01 (and later) nodeTransmit IP trunk card configuration data from TM 3.1 to the IPtrunk cardsIP Trunk 3.01 (and lat

Transmit IP tr unk card configuration data from TM 3.1 to the IP trunk cards 261NTAG81BA Maintenance Extender cable to provide an extensionbetween the

262 Install and configure IP Trunk 3.01 (and later) node•"yyy.yyy.yyy.yyy" is the ELAN network interface gateway (router)IP address on the EL

Transmit IP tr unk card configuration data from TM 3.1 to the IP trunk cards 263Procedure 28Installing a Backup Leader in IP Trunk 3.01 (and later)Step

264 Install and configure IP Trunk 3.01 (and later) nodethe IP trunk card from the system interface, see "System commandsLD 32" (page 384).8F

Transmit IP tr unk card configuration data from TM 3.1 to the IP trunk cards 265Disable IP trunk cards whenever transmitting card properties or newsoft

266 Install and configure IP Trunk 3.01 (and later) nodeVerify installation and configurationTo verify installation and configuration, check the IP trunk

Transmit IP tr unk card configuration data from TM 3.1 to the IP trunk cards 267Figure 61IP trunk card statusIf the (a) IP Trunk 3.01 (and later) Node

268 Install and configure IP Trunk 3.01 (and later) node2Verify that the TN, ELAN network interface MAC addresses, and IPaddresses are configured correc

Configure date and time for the IP Tr unk 3.01 (and later) node 2695Click the Start transmit button.6Monitor progress in the Transmit Control window. C

IP Trunk 3.01 (and later) requirements 27There are no direct media paths between the Meridian 1 telephones and theCS 1000M telephones. There are direc

270 Install and configure IP Trunk 3.01 (and later) node4Set the correct date and time.5Click OK.The clock is updated immediately on the Active Leader

Change default ESN5 prefix for non-ESN5 IP telephony gateways 271Enter new password again to confirm: new password5Record the new user name and password

272 Install and configure IP Trunk 3.01 (and later) nodeFigure 62esn5PrefixShow4At the ITG prompt, enter >esn5PrefixSet "1xx" where xx = the

Check and download IP trunk card software in TM 3.1 2733Click the Configuration tab and record S/W version, Card densityand Card TN for each card in th

274 Install and configure IP Trunk 3.01 (and later) node•For ITG-Pentium 24-port trunk cards, download the SoftwarePackage for Release IP Trunk 3.01 (a

Check and download IP trunk card software in TM 3.1 275•If a mix of Media Card 32-port and ITG-Pentium 24-port trunkcards is in the same IP Trunk 3.01

276 Install and configure IP Trunk 3.01 (and later) node6Reboot each IP trunk card that received transmitted software, so thatthe new software can be a

Configure TM 3.1 Alarm Management to receive SNMP traps from the IP trunk cards 277VxWorks login: itgadminPassword: itgadminITG>4Disable the ITG-Pen

278 Install and configure IP Trunk 3.01 (and later) nodeProcedure 38Configuring TM 3.1 ALarm Management to receive SNMP traps from the IPtrunk cardsStep

Configure TM 3.1 Alarm Management to receive SNMP traps from the IP trunk cards 279Figure 66Devices.txt file:6For each IP trunk card in each monitored I

28 Overview of IP Trunk 3.01Table 1IP Trunk 3.01 (and later) package requirementsPackageNamePackageNumberPackage descriptionCommentsBARS57Basic Altern

280 Install and configure IP Trunk 3.01 (and later) nodeTM 3.1 Alarm Notification must be restarted whenever Control Filesare changed.9If TM 3.1 Alar m

281Provisioning IP Trunk 3.01 (and later)in TM 3.1ContentsThis section contains information on the following topics:"Overview" (page 281)&qu

282 Provisioning IP Trunk 3.01 (and later) in TM 3.1For detailed information on configur ing a system in TM 3.1, see TelephonyManager 3.1 System Admini

Add a site and system 2832Click Sites to highlight it.3On the menu bar, click Configuration > Add Site. See Figure 68"Add a Site" (page 28

284 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 69New Site Properties Provisioning a new site5Click OK to save the site information.The TM

Add a site and system 2853Right-click the site and from the drop-down list, select Properties.See Figure 70 "Change System Properties" (page

286 Provisioning IP Trunk 3.01 (and later) in TM 3.1The Site Properties window opens. See Figure 72 "TM 3.1 SiteProperties ready to change"

Add a site and system 287Figure 73Deleting a siteAlternatively, from the upper menu, click Edit > Delete.WARNINGDeleting a site also deletes all of

288 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 74Alternative method of deleting a site4In the warning box that opens, click Yes to confirm

Add a site and system 289—End—Add a systemThough the site has been added, no switches or nodes have been defined.A PBX, also called a system, must be a

29System descriptionContentsThis section contains information on the following topics:"IP Trunk 3.01 (and later) application" (page 31)"

290 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 77New system menu bar2The system selections that apply to IP Trunk 3.01 (and later) are:•Me

Add a site and system 291Figure 78Select a system typeThe New System Properties window opens. This window enablessystem-wide values to be provisioned.

292 Provisioning IP Trunk 3.01 (and later) in TM 3.1is entered automatically. See Figure 80 "New system propertiesGeneral tab" (page 292).5I

Add a site and system 293Figure 81System Data tabProvision the system customer information7Click the Customers tab. An empty Customers window appears.

294 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 82Empty Customers window8Click the Add button to add a customer. The Add Customer windowope

Add a site and system 295Figure 83Add Customer window9Use the Customer Number drop-down (pull-down) list to selectthe customer number. Click OK.The Ne

296 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 84New (Customer x) Properties General tab10Enter the Directory Numbers and HLOC obtained fr

Add a site and system 297The window displays two sections – Services and Sites. See Figure67 "TM 3.1 Navigator" (page 282).2In the Site wher

298 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 86System Properties Customers tab7Click Properties.Edit the customer’s information in the C

Add a site and system 2998Click OK to save the customer information.9Click OK to save the system information.—End—Delete a systemFollow the steps in P

3ContentsNew in this Release 15Other changes 15How to Get Help 17Getting help from the Nortel web site 17Getting help over the telephone from a Nortel

30 System description"Software upgrade" (page 59)"Interoperability with earlier versions of ITG Trunk" (page 60)"Fax Tone Det

300 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 89Alternative method of deleting a system4In the warning box that opens, click Yes to confir

Add an IP Trunk 3.01 (and later) node 301Add an IP Trunk 3.01 (and later) nodeFollow the steps in Procedure 45 "Adding an IP Trunk 3.01 (and late

302 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 92ITG ISDN IP Trunk window3From the IP Telephony Gateway – ISDN IP Trunk window menubar, se

Add an IP Trunk 3.01 (and later) node 303Figure 94New ITG node General tab7On the General tab, on the left side of the window, define thefollowing from

304 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 95New ITG Node - Configuration tabA minimum of one IP trunk card, Leader 0, must be defined.

Add an IP Trunk 3.01 (and later) node 305•Voice LAN gateway IP – the lowest IP address on the TLANsubnet•Card TN – the first three numbers (loop/shelf/

306 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 96New ITG Node Configuration tab window with Leader 0 provisionedIn the window, where the sa

Add an IP Trunk 3.01 (and later) node 307Figure 97New ITG Node, DSP Profile tab, General sub-tab Profile 113Select the applicable DSP Profile information

308 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 98DSP Profile sub-tabs ,Profile 1 Options sub-tabTM 3.1 does not permit "V.25 Fax/Modem

Add an IP Trunk 3.01 (and later) node 309Figure 99New ITG Node, DSP Profile tab, Codec sub-tabWARNINGDo not turn off G.711, unless there is no other al

IP Trunk 3.01 (and later) application 31"G.723.1 (5.3 kbit/s or 6.3 kbit/s)" (page 85)"Security passwords" (page 86)"Administ

310 Provisioning IP Trunk 3.01 (and later) in TM 3.117Click the Ports tab. See Figure 100 "New ITG Node Ports tab"(page 310).Figure 100New I

Add an IP Trunk 3.01 (and later) node 31119Click OK to complete the node provisioning. The ITG NodeProperties window closes. The node data is now disp

312 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 102Change node properties4Alternatively, right-click the node to be edited, the select Prop

Add an IP Trunk 3.01 (and later) node 313Figure 104ITG Node Properties General tab6To add a new IP trunk card, select the Configuration tab.Select the

314 Provisioning IP Trunk 3.01 (and later) in TM 3.17Enter the required data. Note that, compared to the Leader 0configuration•the Management (ELAN net

Add an IP Trunk 3.01 (and later) node 315Figure 107Editing an IP trunk card in a node9To delete an IP trunk card from the node, select the desired car

316 Provisioning IP Trunk 3.01 (and later) in TM 3.1If the IP trunk card can be deleted, the print on the Delete buttonis in black. See Figure 109 &qu

Add an IP Trunk 3.01 (and later) node 317Figure 110Delete a node2Alternatively, right-click the node to be deleted, and from the pop-upmenu, click Del

318 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 112Confirm the node deletionIf Yes is selected, the node is deleted. See Figure 113 "Th

Define the dialing plan information 319Follow the steps in Procedure 48 "Defining the local Dialing plan" (page322) to define the local dialing

32 System descriptionFigure 4 "IP Trunk 3.01 (and later) connectivity" (page 32) shows an IPTrunk 3.01 (and later) configuration example.Figu

320 Provisioning IP Trunk 3.01 (and later) in TM 3.1The QoS feature only works if the far end is an IP Trunk 3.01 (and later) oran ITG Trunk 2.x node.

Define the dialing plan information 3215. DSC – Distance Steering Code, part of a Coordinated Dialing Plan(CDP) network. In a CDP network, all numbers

322 Provisioning IP Trunk 3.01 (and later) in TM 3.1NPITONDialing planPrivate Unknown SPNDSCTSCLOCUnknown Unknown SPNDSCTSCLOCProcedure 48Defining the

Define the dialing plan information 323Figure 115ITG Dialing Plan window2To add a new remote node, click Configuration > Add RemoteNode. A remote nod

324 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 116ITG Dialing Plan, Remote Node Properties window, General tabFigure 117ITG Dialing Plan,

Define the dialing plan information 325An existing destination node can also have its properties changedfrom the drop-down list. See Figure 118 "C

326 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 119Selected Remote Node5Set the QoS parameter, if desired. Ensure that Fallback to the PBXi

Define the dialing plan information 327Figure 120Remote Node Properties, Digits dialed tab with no entriesFigure 121Select the destination nodeNortel C

328 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 122Remote Node Properties, Digits dialed tab with a selected destination nodeIn the example

Define the dialing plan information 329Figure 123Changing the destination node informationDestination not in local TM 3.1 provisioning9Select Not Define

Hardware components for IP Trunk 3.01 (and later) 33cards to support ISDN functionality. Earlier vintages are not supported, asthe level of MCDN funct

330 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 124Destination not in local TM 3.1 provisioningFigure 125Selecting an IP Peer H.323 Gateway

Define the dialing plan information 33110Enter the node IP address, select the node capability from thedrop-down list, enter a name for the node (optio

332 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 127Select the Dial Plan14Enter all of the numbers that must reach this node.15 Enter all ne

Define the dialing plan information 333Figure 128Node with two remote sitesComplex dialing plansThere is no limit to the number of digit patterns that

334 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 129Example of a complex dialing planGatekeeper-resolved endpointsThe IP Trunk 3.01 (and lat

Define the dialing plan information 335In the TM 3.1 Navigator window, the Gatekeeper zone can be found byleft-clicking on the CS 1000M system, selecti

336 Provisioning IP Trunk 3.01 (and later) in TM 3.1•In the ITG – ISDN IP Trunk window, as seen in Figure 92"ITG ISDN IP Trunk window" (page

Define the dialing plan information 337Use Gatekeeper Zone from TM 3.1 Navigator optionIf "Use Gatekeeper zone from TM 3.1 Navigator" was sel

338 Provisioning IP Trunk 3.01 (and later) in TM 3.1Figure 132Node Properties Gatekeeper from TM 3.13Click Apply.—End—Use Independent Gatekeeper optio

Define the dialing plan information 339Figure 133Gatekeeper Type drop-down listFigure 134 "Properties defined for Primary Gatekeeper" (page339

34 System descriptionTable 3Hardware components for the Media Card 32-port trunkComponentProduct codeThe package includes the following:•NTVQ90 – Medi

340 Provisioning IP Trunk 3.01 (and later) in TM 3.1WARNINGThe H.323 endpoint ID is case-sensitive and alphanumericstring content-sensitive. The data

Define the dialing plan information 341—End—From the ITG Dialing Plan window, confirm that all required remoteend-points have been provisioned.Download

342 Provisioning IP Trunk 3.01 (and later) in TM 3.1Nortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5 21 Dece

343TM 3.1 OA and M using TM 3.1applicationsContentsThis section contains information on the following topics:"Introduction" (page 344)"

344 TM 3.1 OA and M using TM 3.1 applications"System commands LD 32" (page 362)"Disable the indicated IP trunk card" (page 363)&qu

TM 3.1 OA and M procedure summary 345Delete a nodeTo delete an IP Trunk 3.01 (and later) node, perform the following steps inProcedure 52 "Deleti

346 TM 3.1 OA and M using TM 3.1 applications3The ITG Node Properties window appears.4Select the Card Configuration tab.5 Select the IP trunk card to d

TM 3.1 OA and M procedure summary 347ITG Card Properties windowTo display the property sheet of an IP trunk card, double-click an IP trunkcard in the

348 TM 3.1 OA and M using TM 3.1 applications•Use the Set Node Time to change the time and date on the node. Thenode time is updated every minute whil

TM 3.1 OA and M procedure summary 349ITG Card Properties Configuration windowThe Configuration window for the IP trunk card contains the informationshow

Hardware components for IP Trunk 3.01 (and later) 35Inspect the IPE module to determine if it is equipped with non-removableMolded Filter Connectors o

350 TM 3.1 OA and M using TM 3.1 applicationsD-channel maintenanceIf the IP trunk card has D-channel hardware, the tree on the left side of thewindow

TM 3.1 OA and M procedure summary 3513Click Start transmit. See Figure 140 "ITG Transmit Options window"(page 351).—End—TM 3.1 transfers the

352 TM 3.1 OA and M using TM 3.1 applications•For the Card Properties (CONFIG1.INI) to take effect, the IP trunk cardsmust be re-enabled.•To transmit

Add an IP Trunk 3.01 (and later) node on TM 3.1 by retrieving an existing node 353Add an IP Trunk 3.01 (and later) node on TM 3.1 by retrieving anexis

354 TM 3.1 OA and M using TM 3.1 applications2In the IP Telephony Gateway - ISDN IP Trunk window, select thedrop-down list Configuration > Node >

Retrieve and add an IP Trunk 3.01 (and later) node for maintenance and diagnostic purposes 355The Retrieve control dialog box displays the results of

356 TM 3.1 OA and M using TM 3.1 applicationsAdd the dummy node manually or by retrieving the IP Trunk 3.01 (and later)node configuration data from an

Retrieve and add an IP Trunk 3.01 (and later) node for maintenance and diagnostic purposes 357Retrieve IP Trunk 3.01 (and later) configuration informat

358 TM 3.1 OA and M using TM 3.1 applications5Select Prompt user for community name if required.6Click the Start retrieve button.—End—Monitor the stat

Retrieve and add an IP Trunk 3.01 (and later) node for maintenance and diagnostic purposes 359Figure 144Generate OM Reportb. To generate a report imme

36 System descriptionComponentProduct codesIP Trunk 3.01 (and later) NTP CD-ROM – Multilingual NTVQ61BAPC CardsC7LIU DCH PC Card with Layer 2 DCH Soft

360 TM 3.1 OA and M using TM 3.1 applications—End—Additional administrative functionsIn addition to the administrative functions performed in MAT Navi

Additional administrative functions 361Figure 146MAT user templateBackup and restore operationsThe Media Card 32-port and ITG-Pentium 24-port trunk ca

362 TM 3.1 OA and M using TM 3.1 applicationsFor more information about Alarm Notification, please refer to AlarmManagement in Telephony Manager 3.1 Sy

System commands LD 32 363Table 52LD 32 IP Trunk 3.01 (and later) maintenance commandsCommandDescriptionDISC l s cDisable the indicated card, where: l

364 TM 3.1 OA and M using TM 3.1 applicationsDISI l s cDisable the indicated IP trunk cardwhen idle, where: l = loop,s = shelf, c = cardEnable an indi

System commands LD 32 365STAT l s c uDisplay the status of the indicatedITG port, where: l = loop, s = shelf,c = card, u = unit.Nortel Communication S

366 TM 3.1 OA and M using TM 3.1 applicationsNortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5 21 December 20

367OA and M using the ITG shell CLI andoverlaysContentsThis section contains information on the following topics:"Introduction" (page 368)&q

368 OA and M using the ITG shell CLI and overlays"Disable an indicated IP trunk card port" (page 364)"Enable an indicated IP trunk card

Access the ITG shell through a maintenance port or Telnet 369•Access the ITG shell from the TM 3.1 PC. Refer to "Telnet to an IP trunkcard throug

Ordering rules and guidelines 37For SDI/DCH and DCHIP cards that reside in different Small Systemcabinets, order:•NTWE04AC Inter-cabinet cable (NTCW84

370 OA and M using the ITG shell CLI and overlays—End—Only one person can use the ITG shell at a time. Any session, local orTelnet, can be overridden

Access the ITG shell through a maintenance port or Telnet 371Figure 147Select card and open Telnet session4Perform the following action to increase th

372 OA and M using the ITG shell CLI and overlaysProcedure 62Changing the default ITG shell passwordStep Action1From the ITG shell use the command she

Access the ITG shell through a maintenance port or Telnet 373Example of the Media Card 32-port trunk card prompt screen:Example of the ITG-Pentium 24-

374 OA and M using the ITG shell CLI and overlaysWhen prompted to login, enter the default username and passwordas:VxWorks login: itgadminPassword: it

Access the ITG shell through a maintenance port or Telnet 375Reset the operational measurementsThis command resets all operational measurement (OM) pa

376 OA and M using the ITG shell CLI and overlaysCard Mode: NormalCodecs: G.711 mu-law (default), G.711 a-law, G.729AB,G.729AEC Tail Length: Value fro

Access the ITG shell through a maintenance port or Telnet 377The time to re-register is based on the clock on the Leader 0 IP trunkcard. If the clocks

378 OA and M using the ITG shell CLI and overlaysFor security reasons, there is no generic FTP client on the IP trunk card.A DIR or PWD (Print Working

Access the ITG shell through a maintenance port or Telnet 379Configuration file transferUse these commands to backup and restore files when the preferred

38 System descriptionIP trunk card descriptionThe Media Card 32-port trunk card and ITG-Pentium 24-port trunk cardprovide a cost-effective solution fo

380 OA and M using the ITG shell CLI and overlaysObtain the new IP trunk card software from the Nortel web site, or obtain aPC Card containing the new

Access the ITG shell through a maintenance port or Telnet 3813Use the swDownload command to copy the software from the PCCard to the IP trunk card flas

382 OA and M using the ITG shell CLI and overlays3Press Enter. Monitor the status of the software upgrade and checkthat the upgrade correctly finishes.

Access the ITG shell through a maintenance port or Telnet 383—End—Restore from the CLITo restore configuration when the TM 3.1 PC is not available to r

384 OA and M using the ITG shell CLI and overlaysThe SNMP community names can be read from the IP trunk card in twoways:•Reset the IP trunk card and m

System commands LD 32 385The card reset button is only available in the TM 3.1 IP Trunk 3.01 (andlater) application when the IP trunk card is disabled

386 OA and M using the ITG shell CLI and overlaysCommandFunctionENLC l s cEnable the described IP trunk card, where:l = loop, s = shelf, c = cardENLU

System commands LD 32 387DISU l s c uDisable the indicated IP Trunk 3.01(and later) unit (port), where:l = loop, s = shelf,c = card, u = unitEnable an

388 OA and M using the ITG shell CLI and overlaysNortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5 21 Decembe

389MaintenanceContentsThis section contains information on the following topics:"Introduction" (page 390)"IP Trunk 3.01 (and later) IP

IP trunk card description 39NTVQ01BB Media Card 32-port trunk cards are factory-programmed withRelease 8.0 firmware. Any firmware feature upgrades are a

390 Maintenance"IP trunk card" (page 420)"TM 3.1" (page 420)"Command Line Interface" (page 420)"Fault clearance pro

IP Trunk 3.01 (and later) IP trunk card alarms 391•"Fault clearance procedures" (page 421) – potential system faults andhow to correct them.

392 MaintenanceUp to eight destination IP addresses can be configured to which thesealarms can be sent. The same addresses must be configured for all ca

IP Trunk 3.01 (and later) IP trunk card alarms 393Alarm DescriptionFault Clearing ActionITG0203Fallback to PSTN activated. Badnetwork condition. This

394 MaintenanceAlarm DescriptionFault Clearing ActionITG0301DSP channel not responding. DSPchannel is disabled. Card sendsmessage to the system to bus

IP Trunk 3.01 (and later) IP trunk card alarms 395Alarm DescriptionFault Clearing ActionITG0402Ethernet voice port failure. TLANsubnet problem or cabl

396 MaintenanceAlarm DescriptionFault Clearing ActionITG0451D-channel hardware failure.Associated channels busied out.ITG0452System messaging failure.

System level maintenance 397Table 56Supported LD 32 commandsCommandFunctionDISC l s cDisable the indicated IP trunk card, where:l = loop, s = shelf, a

398 MaintenanceCommandFunctionLDIC l s c uList the number of days since the last incoming call onthe indicated trunk, where:l = loop, s = shelf, c = c

System level maintenance 399Table 58MSDL commandsCommandDescriptionENL DCH numEnables the D-channel.DIS DCH numDisables the D-channel.STAT DCH numDisp

4 ContentsDescription 46Faceplate indicators, controls, and interfaces 47Backplane interfaces 50Assembly description 50Media Card 32-port trunk card (

40 System descriptionThe Leader, Backup Leader, Follower, and DCHIP cards communicatethrough their ELAN network interfaces. For more information, see

400 MaintenanceCommandFunctionCard EnabledThe card has been enabled by the system.Channel EnabledA given channel has been enabled by the system.D-chan

ITG shell command set 401Table 61General purpose commandsCommandDescriptioncardResetPerform a warm reboot of the IP trunk card. The card has to bein t

402 MaintenanceCommandDescriptiondisplayClearClear the maintenance display on the faceplate of the IP trunkcard.shellPasswordSetChange the default ITG

ITG shell command set 403CommandDescriptionrouteDelete "IP address", "IPGateway"Delete a route from the routing table.Example: ITG

404 MaintenanceCommandDescriptionbootPFileGet hostname,username, password, directorypath, filenameUpdate the bootptab file on the IP trunk card with t

ITG shell command set 405CommandDescriptionExample: ITG> currLogFilePut "ngals042", "anonymous", "guest","/currD

406 MaintenanceCommandDescriptionsetLeader IP address, IPgateway, subnet maskThe one command that does all the necessary actions to makea Leader. Sets

IP trunk card self-tests 407Table 65Operational Measurement commandCommandDescriptionresetOMThis command returns all Operational Measurement parameter

408 MaintenanceAdditionally, the IP trunk card has a four-character LED dot matrix displayon the faceplate for the purpose of providing status informa

Outgoing calls attempted/completed mismatch 409Base code self-testThe IP trunk card base code performs the following tests:•flash integrity test•PGA re

IP trunk card description 41Backup LeaderThe Backup Leader card steps in when the Leader is out-of-service. Thisminimizes service interruptions.D-chan

410 Maintenancestill takes finite time for messages to propagate. However, this is usuallynot a factor.The main reason for attempted call mismatches ar

IP Trunk 3.01 (and later) upgrades 411using a modem, an FTP session, or TM 3.1. Patch files are stored in Flashmemory and are loaded into DRAM memory.

412 MaintenanceCommandDescriptionpinsPuts a patch that has been loaded into memory (using the pload command) intoservice. This command activates a pat

IP Trunk 3.01 (and later) upgrades 413CommandDescriptionpstatGives summary status information for one or all loaded patches.For each patch, the follow

414 MaintenanceCommandDescriptionpnewThe pnew command has no parameter(s).Patch DirectoriesThere are two patch directories on an IP trunk card:1./C:/u

IP Trunk 3.01 (and later) upgrades 415click the Configuration tab. "S/W version" displays the currentsoftware version as read from the IP tr

416 Maintenancethe TM 3.1 IP Trunk 3.01 (and later) status refresh (that is, disabled:active; disabled: backup: disabled).13These cards should remain

Replace an IP trunk card 4173If the card to be replaced is an ITG 8-port trunk card, disconnect theTLAN Ethernet cable from the faceplate of the bad c

418 MaintenanceWhen the IP trunk cards are installed, the red LED on the faceplateis lit if: the card has rebooted; the card is active but there are n

Replace an IP trunk card 419—End—Determine IP trunk card software releaseFollow the steps in Procedure 71 "Determining the IP trunk card software

42 System description(and later) D-channel only controls IP trunk cards in the same IP Trunk3.01 (and later) node. TM 3.1 administration relates the c

420 MaintenanceClick the Start Transmit button.The transmission status is displayed in the "Transmit control" box.Confirm the card properties

Fault clearance procedures 421Fault clearance proceduresThis section provides possible solutions to such faults as the following:•DSP failure•card fai

422 MaintenanceRemove the card for two to three seconds and then re-seat it in the IPEshelf. If the failure continues, replace the card.DCH failureThe

Media Card 32-port trunk card faceplate maintenance display codes 423Socket Services are responsible for card insertion and removal. There isa single

424 MaintenanceTable 68Media Card 32-port trunk card faceplate maintenance display messagesummaryCodeDescriptionT:00 InitializationT:01 Testing intern

ITG-Pentium 24-port trunk card faceplate maintenance display codes 425CodeDescriptionLDR Card is running active leader tasks.BLDR Card has detected ex

426 MaintenanceIf self-tests T:10-T:17 fail, the display contains the failure message for threeseconds and the ITG-Pentium 24-port trunk card goes on

ITG-Pentium 24-port trunk card faceplate maintenance display codes 427NormalCodeFaultCode DescriptionT:20 Card LAN enabled, waiting for Request Config

428 MaintenanceSystem performance under heavy loadWhen the system and IP Trunk 3.01 (and later) are carrying trafficapproaching the maximum sustained l

System performance under heavy load 429over-tasked. To resolve this situation, separate the D-channel and IPfunctions; that is, have the DCHIP Leader

IP trunk card description 43Card combinationsThe Leader and DCHIP, or Follower and DCHIP, functions can reside on asingle IP trunk card or multiple IP

430 MaintenanceMessage: BUG085DescriptionThe system detected an invalid switchhook state when the call was in theRINGING state. The switch-hook state

431Appendix APatches and advisementsContentsThis section contains information on the following topics:"Introduction" (page 431)IntroductionT

432 Appendix A Patches and advisementsIP Trunk 3.01.22 patchesThe patches applicable to IP Trunk 3.01.22 are:•MPLR18142•MPLR18157MPLR18142FIN_WAIT_2 s

Interoperability with IP Trunk 3.01 (MPLR17662 patch) 433Since there is no adverse effect caused by installing the patch on IPTrunk 3.0, and upgrading

434 Appendix A Patches and advisementsNortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5 21 December 2007Copyr

435Appendix BCable description and NT8D81BA cablereplacementContentsThis section contains information on the following topics:"Introduction"

436 Appendix B Cable description and NT8D81BA cable replacementNTMF94EA ELAN, TLAN and Serial Port cableThe NTMF94EA cable connects the I/O connector

NTCW84KA ELAN, TLAN, DCH and serial cable 437I/O Panel: P1 Signal NameP2, P3, P4ColorP1-48 RXDB- P3-6 Orange/WhiteP1-49 TXDB- P3-2 White/OrangeP1-18 R

438 Appendix B Cable description and NT8D81BA cable replacementFigure 149NTCW84KA ELAN, TLAN, DCH, and serial cableTable 72NTCW84KA ELAN, TLAN, DCH, a

NTAG81CA Faceplate Maintenance cable 439I/O Panel: P1 Signal NameP2, P3, P4, P5ColorP1-31 P2 SHLD GRNDP1-50 P2 SHLD GRNDP1-23 RXDB+ P3-3 Green/WhiteP1

44 System descriptionEach customer requires one or more dedicated IP Trunk 3.01 (and later)nodes. Trunks on the same IP Trunk 3.01 (and later) node sh

440 Appendix B Cable description and NT8D81BA cable replacementFigure 150NTAG81CA PC maintenance cableTable 73NTAG81CA Faceplate Maintenance cable con

NTCW84EA DCH PC Card pigtail cable 441Table 74NTAG81BA Maintenance Extender cable connections9-pin D-Sub (Male) 9-pin D-Sub (Female)112233445566778899

442 Appendix B Cable description and NT8D81BA cable replacementFigure 152NTCW84EA pigtail cableTable 75NTCW84EA pigtail cable connectionsPC Card P1 Si

NTMF04BA MSDL extension cable 443PC Card P1 Signal NameP2ColorP1-10 RDBI P2-8 GreyP1-11 STBI P2-9 TanP1-12 RTBI P2-10 PinkP1-15 GRND P2-11 Green/Yello

444 Appendix B Cable description and NT8D81BA cable replacementNTCW84LA and NTCW84MA upgrade cablesThe following cables are required for the upgraded

NTCW84LA and NTCW84MA upgrade cables 445Figure 154NTMF94LA upgrade cableTable 77NTMF94LA cable connectionsI/O Panel: P1 Signal NameP2, P3,P4ColorP1-21

446 Appendix B Cable description and NT8D81BA cable replacementI/O Panel: P1 Signal NameP2, P3,P4ColorP1-43 RXDB- P5-6 WHT/GRNP1-44 TXDB- P5-2 WHT/ORG

Replace cable NT8D81BA with NT8D81AA 447Procedure 73Preventing ground loops on connection to external LAN equipmentStep Action1Connect the customer-pr

448 Appendix B Cable description and NT8D81BA cable replacementTable 78NT8D37 cable connectionsBackplane slots–shroud rowsI/O panel/cable designationL

Remove the NT8D81BA cable 449Tools list•Ty-wrap cutter•Ty-wraps•Needle-nose pliers•Slotted screwdriverRemove the NT8D81BA cableFollow the steps in Pro

IP trunk card description 45Active Leader and Backup Leader interactionWhen a Leader card reboots into service, it sends bootp requests tocheck whethe

450 Appendix B Cable description and NT8D81BA cable replacementProcedure 75Installing the NTCW84JA filter and NT8D81AA cableStep Action1Install the NTC

451Appendix CEnvironmental and electrical regulatorydataContentsThis section contains information on the following topics:"Environmental specific

452 Appendix C Environmental and electrical regulatory dataSpecificationMinimum MaximumRecommendedRelative humidity–50C0%+70 C95% (non-condensing)Temp

Electrical regulatory standards 453Table 81Safety regulations for the ITG-Pentium 24-port trunk cardsRegulation identifier Regulatory agencyUL 1459 Sa

454 Appendix C Environmental and electrical regulatory dataRegulation identifier Regulatory agencyBAKOM SR 784.103.12/4.1/1 EMC/Safety (Switzerland)SS

Electrical regulatory standards 455Regulation identifier Regulatory agencyIEC 801-5 (level 4, preliminary) Surge Immunity (Basic Standard)IEC 801-6 (p

456 Appendix C Environmental and electrical regulatory dataNortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5

457Appendix DSubnet mask conversion from CIDR todotted decimal formatSubnet masks can be expressed in Classless Inter Domain Routing (CIDR)format, app

458 Appendix D Subnet mask conversion from CIDR to dotted decimal formatIn the example of /20 previously given, the remainder is 4. In Table87 "C

459Appendix ECLI commandsIP Trunk 3.01 (and later) supports the following CLI commands:•ectailDefault – configure IP Trunk 3.01 (and later) to use the

46 System descriptionWhen a DCHIP trunk card failure occurs, the associated trunks’ statesappear busy to the Meridian 1/CS 1000M, so the trunks will n

460 Appendix E CLI commandsNortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.01 StandardRelease 5.5 21 December 2007Copyright © 2007

461Appendix FConfigure a Netgear RM356 modemrouter for remote accessContentsThis section contains information on the following topics:"Introductio

462 Appendix F Configure a Netgear RM356 modem router for remote accessSecurity features of the RM356 modem routerSecurity features of the RM356 modem

Install the RM356 modem router 4633Connect the RJ-45 plug end of the local manager cable to theRS-232 Manager port RJ-45 jack on the rear of the modem

464 Appendix F Configure a Netgear RM356 modem router for remote accessFollow the steps in Procedure 78 "Configure the RM356 modem routerthrough th

Install the RM356 modem router 46511Toggle "RIP Direction=None". Press Enter to confirm and save datato ROM, then press Esc to return from th

466 Appendix F Configure a Netgear RM356 modem router for remote accessUnder "PPP Options" toggle "Recv Authen=PAP". Windows 9xDial

RM356 modem router manager menu (application notes on the ELAN subnet installation) 467Set "Rem CLID=" to the PSTN Calling Number that is di

468 Appendix F Configure a Netgear RM356 modem router for remote accessContact Person’s Name= JohnSmith, 972 555-1212Press ENTER to Confirm or ESC to C

RM356 modem router manager menu (application notes on the ELAN subnet installation) 469CLID Authen= None Dial-in User= NoIP Pool= YesPPP Options: IP S

ITG-Pentium 24-port trunk card (NT0961AA) 47Figure 7ITG-Pentium 24-port trunk card system connectivity and messagingFaceplate indicators, controls, an

470 Appendix F Configure a Netgear RM356 modem router for remote access4 _______________ 10_______________5 _______________ 11_______________6 ________

RM356 modem router manager menu (application notes on the ELAN subnet installation) 471Status: 10M/Half Duplex RAS S/WVersion: V2.13 | 9/25/98TX Pkts:

472 Appendix F Configure a Netgear RM356 modem router for remote accessTCP/IP11. Internet Setup Test12. Ping HostEnter Menu Selection Number:Manual Cal

473Appendix GUpgrade an ITG Trunk 1.0 node tosupport ISDN signaling trunksContentsThis section contains information on the following topics:"Upgr

474 Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunksIP Trunk 3.01 (and later) cannot be installed on an ITG 8-port trunk card

Before you begin 475advanced ISDN features. Table 2 "Software packages for Meridian1/CS 1000M IP Trunk 3.01 (and later)" (page 33) lists req

476 Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunks8Verify that the customer site has a Nortel Netgear RM356 ModemRouter (or

Install the DCHIP hardware upgrade kit 4774Connect the NTCW84EA pigtail cable from port 0 of the DCHIP PCCard to the J14 pin header on the motherboard

478 Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunksProcedure 81Installing the DCHIP I/O Panel breakout cable from the upgrad

Upgrade the ITG 8-port trunk card ITG basic trunk software to ITG/ISL trunk software 4792Login to the ITG shell. At the ITG> prompt, enter setLeade

48 System descriptionFigure 8NT0961AA ITG-Pentium 24-port trunk cardCard Status LEDA single red, card status LED on the faceplate indicates the enable

480 Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunks7Log into the ITG shell.At the ITG>prompt, enter clearLeader"xxx.

Upgrade the ITG 8-port trunk card ITG basic trunk software to ITG/ISL trunk software 481Transmit Control window open displaying the location of thesof

482 Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunksFigure 157Software download example9To verify the software upgrade on Lea

Configure the Meridian 1 ITG/ISL trunk data 483Procedure 84Removing the ITG Trunk 1.0 configuration data from Meridian 1Step Action1Out existing ITG bas

484 Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunksFollow the steps in Procedure 85 "Configuring the Meridian 1 ITG/ISL

Upgrade Troubleshooting 485Verify ROM-BIOS versionWhen the ITG trunk card is reset, it displays a series of startup messageson the local TTY. Verify t

486 Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunks—End—Nortel Communication Server 1000IP Trunk FundamentalsNN43001-563 02.

487IndexSymbols/Numerics10/100BaseT 46, 6410/100BaseT Ethernet ports 153100BaseT full-duplex 160100BaseTX 3110BaseT 31, 31, 46, 6410BaseT Ethernet hub

488 IndexDelay variation 168delay variation or 90Delete a system 299Dial Plan table 23dialing plan 44, 65, 84Dialing plan 65DSP Profile 306duplex misma

Index 489Jjitter 71, 72, 90jitter buffer 168Jitter buffer parameters 162jitter, and 90LLarge Systems 32latency 67, 71, 71, 74, 74, 74, 74, 74, 77, 92L

ITG-Pentium 24-port trunk card (NT0961AA) 49During configuration, the error message "F:10" can appear. This errorindicates a missing Security

490 Indexrouting table entry 267RRQ 25RS-232 serial ports 153RS-422 42, 64RTP 130SSDI/DCH card 32self-test 48serial maintenance port 50, 50, 50, 50, 5

Nortel Communication Server 1000IP Trunk FundamentalsCopyright © 2007, Nortel NetworksAll Rights Reserved.Publication: NN43001-563Document status: Sta

Contents 5IP Trunk 3.01 (and later) SNMP agent 83Codec profiles 84G.711 84G.729AB 85G.729B 85G.723.1 (5.3 kbit/s or 6.3 kbit/s) 85Security passwords 86

50 System descriptionRS-232 maintenance por tThe ITG-Pentium 24-port card has a DIN-8 (RS-232) maintenance port(DCE) connection on the faceplate and a

Media Card 32-port trunk card (NTVQ01BB) 51CAUTIONService InterruptionThe ITG-Pentium 24-port trunk card is not user-serviceable. Figure9 "Mechan

52 System descriptionFigure 10Media Card 32-port trunk cardThe base hardware (known as the Media Card) enhances cablingarrangements for installation a

Media Card 32-port trunk card (NTVQ01BB) 53•The onboard FPGAs are changed to the advanced family of devicearchitecture.•A new Compact Flash Dr ive is

54 System descriptionPC Card slotThis slot (designated as Slot A:) accepts a Type I or II PC Card. It alsosupports a DCHIP interface PC Card (D-Chip)

Software delivery 55Installation guidelinesUse the following guidelines when installing the Media Card 32-port trunkcard:•Ensure CS 1000 Release 4.0 o

56 System descriptionThe Media Card 32-port trunk card package is shipped with the followingtwo major components, as well as other items:•Media Card 3

Replacing a CompactFlash PC Card (C:/ drive) 57WARNINGBe sure to remove the Media Card 32-port trunk card from thesystem before replacing the CFlash A

58 System description2The metal clip should be pulled up and the new CFlash card shouldbe kept in the right position (see Figure 13 "CFlash card

Software upgrade 59Software upgradeIP Trunk 3.01 (and later) software upgrades can be performed in three ways:•by FTP from TM 3.1•by FTP from the CLI•

6 ContentsIP Trunk 3.01 (and later) DiffServ support for IP QoS 128Queue management 129Use of Frame Relay and ATM services 129Internet Protocols and p

60 System description"Transmit card properties and dialing plan" (page 419) or in "Transferfiles through the Command Line Interface"

ISDN Signaling Link 61If an upgrade from ITG Trunk 2.xx, Release 19 or earlier, is projected totake several days and fax support is needed during this

62 System descriptionFigure 17ITG configurationISDN signaling between the Meridian 1 and IP Trunk 3.01 (and later)supports the delivery of Calling Line

ISDN Signaling Link 63because the NTAK02BB SDI/DCH card does not support QSIG protocolsfor ISL. The DCH interface uses these protocols and their varia

64 System descriptionFor further information on ISDN Signaling Link (ISL), refer to SystemManagement Reference (NN43001-600), ISDN Primary Rate Interf

Dialing plans 65Dialing plansDialing plan configuration allows customers to set up routing tables to routecalls to the appropriate destination, based o

66 System descriptionFor example, Meridian 1/CS 1000M switch B node B1 has two entries forNPA 408 and 4085, which point to nodes A1 and A2 of Meridian

Dialing plans 67Flexible Numbering PlanA Flexible Numbering Plan (FNP) allows the length of Location Codes(LOCs) to vary from node to node. As well, t

68 System descriptiondefault in TM 3.1 remained unchanged at 32 ms, even though the ECANperformance was significantly better with 128 ms. This problem

Dialing plans 69Provisioned in TM 3.1 (in ms) Value used by IP Trunk 3.0196 96128 (default value in IP Trunk 3.01) 128 (default value in IP Trunk 3.01

Contents 7Jitter buffer parameters (voice playout delay) 162Silence Suppression parameters (Voice Activity Detection) 163Fallback threshold 164Setting

70 System descriptionCallers can access traditional Voice Mail or IVR services (for example,"Press 1 for more information" or "Press 2

Quality of Service 71•latency•queuing delay in the intermediate nodes•packet loss•available bandwidthThe Type of Service (ToS) bits in the IP packet h

72 System descriptionthan five percent, can be acceptable without too much degradation invoice quality. Sporadic loss of small packets can be more acce

Quality of Service 73Packet InterNet Groper (PING)Packet InterNet Groper (PING) sends an Internet Control Message Protocol(ICMP) echo request message

74 System descriptionMOS values are calculated based on the routing delay and frame durationand jitter buffer delay on the codec. These latencies must

Fallback to alternate facilities 75The trigger for fallback to alternate trunk facilities is defined per call, percustomer. The local Active Leader mak

76 System descriptionFallback in IP Trunk 3.01 (and later)In QoS monitoring, the local node queries the remote node and gets aresponse; the remote nod

Type of Service 77The TM 3.1 User Interface allows two ToS values to be configured: data andcontrol. Data packets transmit the voice or fax call’s data

78 System descriptionThe IP trunk card configures two route table entries for the local subnet if adifferent ToS is configured for the voice and control

Remote Access 79Modules supporting facsimile transmission are responsible for the following:•fax speed detection and adjustment•protocol conversion fr

8 ContentsInstall filter and NTND26 cable (for MSDL and DCHIP cards in same Large Systemequipment row) 200Install filter and NTND26 cable (for MSDL and

80 System descriptionAlternatively, the PC application, pcANYWHERE©, can be installed in hostmode on the TM 3.1 PC to provide remote access to any PC

Per-call statistics support using RADIUS Client 81A RADIUS client on the IP trunk card allows per-call statistics of the IPnetwork call to be sent fro

82 System description•Codec used•Orig/Term call side indication•Snapshot of remote Gateway’s QoS at time of call connectThe calling and called numbers

SNMP MIB 83SNMP MIBSNMP is the protocol used to communicate TM 3.1 IP Trunk 3.01 (and later)alarms or events. Support for the SNMP Management Informat

84 System description— release— establish•Retrieval of DSP information, such as:— DSP firmware— DSP self-test status— card reset•SNMP configuration (tha

Codec profiles 85G.729ABThe G.729AB codec is the default preferred codec when adding a new IPTrunk 3.01 (and later) node in TM 3.1. This codec provides

86 System descriptionWARNINGThe Media Card 32-port trunk card does not support Profile 3.Security passwordsWhen Telneting into the ELAN network interfa

87ITG engineering guidelinesContentsThis section contains information on the following topics:"Introduction" (page 89)"Audience" (

88 ITG engineering guidelines"TCP traffic behavior" (page 127)"IP Trunk 3.01 (and later) DiffServ support for IP QoS" (page 128)&q

Introduction 89"Multiple IP Trunk 3.01 (and later) nodes on the same ELAN and TLANsegments" (page 157)"General LAN considerations"

Contents 9Create the IP Trunk 3.01 (and later) node dialing plan using TM 3.1 253Retrieve the IP Trunk 3.01 (and later) node dialing plan using TM 3.1

90 ITG engineering guidelinesIP Trunk 3.01 (and later) is targeted towards the Enterprise customer whohas a Meridian 1/CS 1000M system installed for p

Introduction 91system must be determined. If the intranet becomes overloaded, new callsto the IP Trunk 3.01 (and later) system fall back to normal cir

92 ITG engineering guidelinesA maximum of 16 Media Card 32-port trunk cards can fit on one IPEshelf. Each IP trunk card takes up one slot on the IPE sh

Network engineering guidelines overview 93voice into fixed-length IP packets, provide ISDN signalling, and translatePSTN numbers into IP addresses. The

94 ITG engineering guidelinesFigure 24IP Trunk 3.01 (and later) network engineering processThree preliminary steps must be undertaken.1. Calculate IP

IP Trunk 3.01 (and later) traffic engineering 95on the corporate intranet. This is described in "IP Trunk 3.01 (and later)traffic engineering"

96 ITG engineering guidelinesCCS/user=# of calls/ * Average Holding Time (in seconds)/100Total voice CCS (Tv) = CCS/user x No. of VoIP usersThe number

IP Trunk 3.01 (and later) traffic engineering 975Calculate bandwidth output. Refer to Table 17 "Silence Suppressiondisabled TLAN Ethernet and WAN

98 ITG engineering guidelinesProcedure 5Calculating IP Trunk 3.01 (and later) por t and bandwidth requirementsStep Action1Calculate VoIP traffic during

IP Trunk 3.01 (and later) traffic engineering 99This example is based on the G.729AB codec with 30 ms payload size andSilence Suppression enabled. For