Main
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              Contents
New in this Release 15                
How to Get Help 17
Overview of IP Trunk 3.01 19                
System description 29
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              ITG engineering guidelines 87
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              TM 3.1 management and conguration of IP Trunk 3.01 (and later) 169
Install and congure IP Trunk 3.01 (and later) node 177            
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              Provisioning IP Trunk3.01 (and later) in TM 3.1 281
TM 3.1 OA and M using TM 3.1 applications 343              
OA and M using the ITG shell CLI and overlays 367
              Maintenance 389
              Appendix A Patches and advisements 431
Appendix B Cable description and NT8D81BA cable replacement 435                
Appendix C Environmental and electrical regulatory data 451
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              New in this Release
There have been no updates to the document in this release.                
Other changes
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              How to Get Help
Getting help from the Nortel web site                
Getting help over the telephone from a Nortel Solutions Center
Getting help from a specialist by using an Express Routing Code              
Getting help through a Nortel distributor or re-seller
              Overview of IP Trunk 3.01
Introduction            
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              Directly-routed calls
Gatekeeper-routed calls              
Startup and registration
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              IP Trunk 3.01 (and later) and CS 1000S/CS 1000M
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Loss plans and pad values                
Codec selection
              IP Trunk 3.01 (and later) requirements
Package requirements                
TM 3.1 
              Interoperability with the ITG 8-port trunk card
Telephonecalls can be made between IP Trunk 3.01 (and later) and ITG Trunk2.x.              
System description
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              IP Trunk 3.01 (and later) application
              System requirements
              Hardware components for IP Trunk 3.01 (and later)
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              Ordering rules and guidelines
Ordering rules for an IP Trunk 3.01 (and later) node              
Ordering rules for IP Trunk3.01 (and later) node expansion
Sparing ratios for IP Trunk 3.01 (and later) components              
IP trunk card description
8051 XAController rmware              
Card roles
              Follower
Active Leader              
Backup Leader
D-channel IP gateway            
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              Card combinations
              Interactions among card functions Active Leader and Follower card interaction
              Active Leader and Backup Leader interaction
Active Leader/Backup Leader and DCHIP card interaction              
ITG-Pentium 24-port trunk card (NT0961AA)
              Faceplate indicators, controls, and interfaces
              Card Status LED
              Ethernet status LEDs
Reset switch                
PC Card socket
Maintenance display            
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              Media Card 32-port trunk card (NTVQ01BB)
              NTVQ01BB Hardware
              Assembly description
Faceplate indicators and interfaces                
Status LED
Reset button              
PC Card slot
Ethernet activity LEDs                
Maintenance display
RS-232 maintenance port                
Backplane interfaces
              Installation guidelines
Software delivery                
Card upgrades
              Replacing a CompactFlash PC Card (C:/ drive)
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              Software upgrade
              Media Card application identication labels
Interoperability with earlier versions of ITG Trunk              
Fax Tone Detection Conguration
ISDN Signaling Link            
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              Inter-card signaling paths
              Dialing plans
Multi-node conguration              
North American dialing plan
              Flexible Numbering Plan
Electronic Switched Network (ESN5) network signaling                
Echo cancellation
Echo canceller tail delay            
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              Speech Activity Detection
DTMF Through Dial              
Quality of Service
              Quality of Service parameters
Packet loss              
Packet delay
Delay variation (jitter)                
Latency
Bandwidth                
Network performance utilities
              Packet InterNet Groper (PING)
Traceroute                
E-Model
End-to-end latency                
Equipment Impairment factor
              Fallback to alternate facilities
Triggering fallbackto alternate trunk facilities            
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Fallback in IP Trunk3.01 (and later)                
IP Peer and Qos
Return to the IP network              
Type of Service
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              Fax support 
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              Remote Access
Per-call statistics support using RADIUS Client              
Conguration
Messaging                
Start record
              End record
              SNMP MIB  
MIB-2 support                
IP Trunk 3.01 (and later) SNMP agent
              Codec proles
G.711               
G.729AB
G.729B                
G.723.1 (5.3 kbit/s or 6.3 kbit/s)
              Security passwords
Administrator level                
Technical support level
              ITG engineering guidelines
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              Introduction
              Audience
Equipment requirements            
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Scope               
Network engineering guidelines overview
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              IP Trunk 3.01 (and later) trafc engineering
Estimate voice trafc calculations            
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              Calculate the number of IP Trunk 3.01 (and later) ports required
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              Calculate number of IP trunk cards required
Leader and DCHIP card standard conguration rules              
Card role
DCHIP card role                
Leader card role
              Single card role
Backup Leader/Follower role              
Factors that effect the real-time capacity
Host module type                
The number of ports congured on the Leader card, codec selection, and voice sample size
Size of the IP Trunk 3.01 (and later) network              
Endpoint type
The Average Hold Time (AHT) and distribution of incoming calls              
ITG-Pentium 24-Port trunk card Leader 0 and DCHIP card real-time capacity
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              Media Card 32-port trunk card Leader 0 and DCHIP card real-time capacity
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              Calculate Ethernet and WAN bandwidth usage
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              Silence Suppression engineering considerations
Fax engineering considerations              
Trunk Anti-Tromboning(TAT) and TrunkRoute Optimization (TRO) considerations
TATenhancement              
TATas a method of Improving Voice Quality in a VoIP network
              TATcall Scenario
              TATversus TRO
WAN route bandwidth engineering            
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              Assess WAN link resources
Link utilization              
Estimate network loading caused by IP Trunk3.01 (and later) trafc
              Route Link Trafc Estimation
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              Enough capacity
Insufcient link capacity                
Other intranet resource considerations
              Implement QoS in IP networks
              Trafc mix
TCP trafc behavior              
IP Trunk 3.01(and later) DiffSer v support forIP QoS
              Queue management Queueing delay
Class-based Queueing                
Buffer management and WRED
Use of Frame Relay and ATM services              
Internet Protocols and ports used by IP Trunk 3.01 (and later)
IP Trunk 3.01 (and later) management protocols                
IP Trunk 3.01 (and later) management LAN ports
IP Trunk 3.01 (and later) H.323 VoiceGateway Protocols                
IP Trunk 3.01 (and later) VoiceGateway Protocols
              Port numbers used by IP Trunk 3.01 (and later)
QoS fallback thresholds and IP Trunk 3.01 (and later)              
Fine-tune network QoS
Further network analysis                
Components of delay
Propagation delay              
Serialization delay
Queuing delay              
Routing and hop count
IP Trunk 3.01 (and later) system delay              
Other delay components
Reduce link delay              
Reduce hop count
Adjust jitter buffer size                
Reduce packet loss
              Routing issues
Network modeling              
Time-of-Day voice routing
              Measure intranet QoS
QoS evaluation process overview                
Set QoS expectations
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              Obtain QoS measurement tools
Measure end-to-end network delay            
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              Measure end-to-end packet loss
Adjust PING measurements                
One-way as compared to roundtrip
Adjustment caused by IP Trunk3.01 (and later) processing                
Late packets
              Network delay and packet loss evaluation example
              Other measurement considerations
Estimate voice quality            
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              Sample scenarios
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Does the intranet meet expected IP Trunk 3.01 (and later) QoS?              
IP Trunk 3.01 (and later) LAN installation and conguration
Basic setup of the IP Trunk 3.01 (and later) system              
IP trunk card connections 10/100BaseT Ethernet ports
RS-232 serial ports                
Congure a system with separate subnets for voice and management
              Subnet congurations
              Selecting public or private IP addresses
              Private IP addresses
Public IP addresses                
Single subnet option for voice and management
              Multiple IP Trunk 3.01 (andlater) nodes on the same ELAN and TLAN segments
General LAN considerations                
ELAN and TLAN network interface half- or full-duplex operation
              TLAN subnet design
Congure the TLAN subnet IP router              
Priority routing for voice packets
Setting up the ELAN subnet                
How to avoid system interruption Duplex mismatch
              I/O lter connector
              IP Trunk 3.01 (and later) DSP prole settings
Codec types              
Payload size
Jitter buffer parameters (voice playoutdelay)              
Silence Suppression parameters (Voice Activity Detection)
Disable Silence Suppression at tandem nodes                
Fallback threshold
Setting the QoS threshold for fallback routing              
Post-installation network measurements
              Set ITG QoS objectives
              Intranet QoS monitoring
              SNMP network management
IP Trunk 3.01 (and later) network inventoryand conguration              
User feedback
              TM 3.1 management and conguration of IP Trunk 3.01 (and later)
Introduction                
TM 3.1 ITG Engineering rules
              TM 3.1 network setup guidelines
TM 3.1 remote access conguration            
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              TM 3.1 PC description
              TM 3.1 PC hardware and software requirements
              Hard drive requirements
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              Install and congure IP Trunk 3.01 (and later) node
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              Introduction
              Before you begin
Installation procedure summary            
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              ESN installation summary
              Create the IP Trunk 3.01 (and later) Installation Summary Sheet
              Channel Identier planning
Preferred ISL channel numbering                
Single card, sequential numbering, no gaps ITG-Pentium24-por t trunk card
              Single card, sequential numbering, no gaps Media Card 32 port trunk card
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              Twocards, sequential numbering, gap left for expansion
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              Incorrect ISL channel numbering plans
Gaps in ISL channel numbering sequence                
Decreasing channel numbering sequence
Overlapping channel numbers              
Install and cable IP Trunk 3.01 (and later) cards
Card installation procedure            
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              Install NTCW84JA Large System I/O Panel 50-Pin lter adapter
              Remove existing I/O panel lter adapter
              Install NTMF94EA and NTCW84KA cables
              Install the NTCW84KA cable (for DCHIP cards)
              Install the NTMF94EA cable (for non-DCHIP cards)
              Install shielded TLAN network interface cable
For DCHIP cards                
For non-DCHIP cards
Install shielded ELAN network interface cable For DCHIP cards                
For non-DCHIP cards
              D-channel cabling for the NT0961AA ITG-Pentium 24-Port trunk card
Required cables and lters for Large Systems                
Congure NT6D80 MSDL switches
              Install lter and NTND26 cable (for MSDL and DCHIP cards in same Large System equipment row)
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              Install lter and NTND26 cable (for MSDL and DCHIP cards in different Large System equipment rows)
              Small System cable installation
              Install the serial cable
              Cabling for the Media Card 32-port trunk card
ELAN and TLAN network interfaces            
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              ITG Card ELAN/TLAN Adapter (L-adapter)
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              RS-232 maintenance port
              NTMF29BA DCHIP cable
              DCHIP cable routing, Large Systems NTMF29BA/NTND26AA cable routing
              NTMF04BA MSDL extension cable
              DCHIP Cable Routing Meridian 1 Option 11C Cabinet/CS 1000M Cabinet
              NTWE04AC/AD SDI/DCH Meridian 1 Option 11C Cabinet/CS 1000M Cabinet extension cable
NTAK19BAfour-port SDI/DCH cable                
Other components
              Media Card 32-port trunk card modem connection
              Congure IP Trunk 3.01 (and later) data
Congure the ISL D-channel on the system for the DCHIP card forIP Trunk 3.01 (and later)            
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              Use LD 17 to congure the ISL D-channel for the DCHIP card in Small Systems.
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              Congure ISDN feature in Customer Data Block
              Congure IP Trunk 3.01 (and later) TIE trunk routes
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              Congure Media Card 32-port and ITG-Pentium 24-port trunk cards and units for IP Trunk Route
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              Congure dialing plans within the corporate network
Make the IP Trunk 3.01 (and later) the rst-choice,least-cost entry in the Route List Block                
Turnon Step Back on Congestion for the IP Trunk 3.0 (and later) trunk route 
Turn off IP Trunk3.01 (and later) route during peak trafc periods on the IP data network              
ESN5 network signaling
              Special dial 0 ESN translations
Use IP Trunk 3.01 (and later) route as rst choice for Group 3 fax              
Use the traditional PSTN for general modem trafc
              IP Trunk3.01 (and later) must have SBOC=RRA for QoS fallback to work.
              Disable the Media Card 32-port and ITG-Pentium 24-port trunk cards
              Congure IP Trunk 3.01 (and later) data in TM 3.1
Add an IP Trunk 3.01 (and later) node in TM 3.1 manually              
Add an IP Trunk 3.01 (and later) node and congure general node properties
              Single vs. separate TLAN and ELAN subnets
              Congure Network Connections
              Congure card properties
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              Congure DSP proles for the IP Trunk 3.01 (and later) node
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              Change default DiffServ/ToS value for Control and Voice
Congure SNMP Traps/Routing and IP addresses tab            
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              Congure Accounting server
              Control node access with SNMP community name strings
              Exit node property conguration session
              Create the IP Trunk 3.01 (and later) node dialing plan using TM 3.1
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              Congure Digits dialed tab
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              Retrieve the IP Trunk3.01 (and later) node dialing plan using TM 3.1
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              Transmit IP trunk card conguration data fromTM 3.1 to the IP trunk cards 
Before conguration data is transmitted                
Congure the Leader 0 IP address
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              Backup Leader installation for IP Trunk3.01 (and later)
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              Transmitthe node properties, card properties and dialing plan to Leader 0
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              Verify installation and conguration
Observe IP Trunk 3.01 (and later) status in TM 3.1            
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              Transmitcard properties and dialing plan to Leader 1 and Follower cards
              Congure date and time for the IP Trunk 3.01 (andlater) node
              Change the default ITG shell password to maintain access security
              Change default ESN5 prex for non-ESN5 IP telephony gateways
              Check and download IP trunk card software in TM 3.1
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              Transmit new software to the IP trunk cards
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              Upgrade the DCHIP PC Card
              Congure TM 3.1 Alarm Management to receive SNMP traps from the IP trunk cards
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              Make test calls to the remote nodes (ITG Trunk or IP Trunk)
              Provisioning IP Trunk 3.01 (and later) in TM 3.1
Overview                 
Trunk3.01 (and later) application.
              Add a site and system
Add a site            
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              Change an existing site
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              Delete a site
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              Add a system
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              Change an existing system
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              Delete a system
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              Add an IP Trunk 3.01 (and later) node
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              Edit a node
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              Delete a node
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              Dene the dialing plan information
              Non-Gatekeeper-resolved (local) dialing plan
Destination node protocol                
Quality of Service
              Dialing plan types
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              Complex dialing plans
              Gatekeeper-resolved endpoints
Zones            
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              Use Gatekeeper Zone from TM 3.1 Navigator option
              Use Independent Gatekeeper option
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              TM 3.1 OA and M using TM 3.1 applications
              Introduction
TM 3.1 OA and M procedure summary              
Delete a node
Delete an IP trunk card              
Database locking
              ITG Card Properties window
ITG Card Properties Maintenance window              
Congure date and time for the IP Trunk 3.01 (and later) node
              ITG Card Properties Conguration window
DSP maintenance window              
D-channel maintenance
Transmit conguration data            
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              Add an IP Trunk 3.01 (and later) node on TM 3.1 by retrievingan existing node
Retrieve and add an IP Trunk 3.01 (and later) node for administration purposes            
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              Retrieve and add an IP Trunk 3.01 (and later) node formaintenance and diagnostic purposes
              Conguration audit
              Retrieve IP Trunk 3.01 (and later) conguration information from the IP Trunk 3.0 (and later) node
              Schedule and generate and view IP Trunk3.01 (and later) OM repor ts
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              Additional administrative functions
MAT Installation                
MAT User administration and security
              Backup and restore operations
Alarm Notication              
System commands LD 32
              Disable the indicated IP trunk card
Todisable the indicated IP trunk card in LD 32, use the following command:                
Disable the indicated IP trunk card when idle
Todisable the indicated IP trunk card when idle in LD 32, use the following              
Enable an indicated IP trunk card
Disable an indicated IP trunk card port                
Enable an indicated IP trunk card port
Display IP trunk card ID information                
Display IP trunk card status
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              OA and M using the ITG shell CLI and overlays
              Introduction
ITG Shell OA and M procedure summary                
Access the ITG shell through a maintenance port or Telnet
              Connect a PC to the card maintenance port
              Telnet to an IP trunk card through the TM 3.1 PC
              Change the default ITG shell password to maintain access security
              Reset the default ITG shell password
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              Download the ITG operational measurements through the ITG shell
              Reset the operational measurements
Display the number of DSPs                
Display IP Trunk 3.01 (and later) node Properties
              Display IP Trunk 3.01 (and later) Gatekeeper status
              Transfer les throughthe Command Line Interface
              Software update and le transfer commands
Software upgrade                
Generic le transfer:
              Conguration le transfer
OM trace and log les commands                
Upgrade IP trunk card software using FTP
              Upgrade IP trunk card software by PC Card
              Upgrade IP trunk card software through an FTP host
              Backup and restore from the CLI
Backup from the CLI              
Restore from the CLI
Recover the SNMP community names                
IP Trunk 3.01 (and later) conguration commands
Download the IP Trunk 3.01 (and later) error log              
System commands LD 32
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              Disable the indicated IP trunk card
Todisable the indicated IP trunk card in LD 32, use the following command:                
Disable the indicated IP trunk card when idle
Todisable the indicated IP trunk card when idle in LD 32, use the following                
Enable an indicated IP trunk card
              Enable an indicated IP trunk card port
Display IP trunk card ID information                
Display IP trunk card status
Display IP trunk card port status            
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              Maintenance
              Introduction
              IP Trunk 3.01 (and later) IP trunk card alarms
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              System level maintenance
Access the IP trunk card                
Telnet access
Serial access                
IP trunk card LD commands
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              Identify IP Trunk3.01 (and later) trunk routes and IP trunk cards in the system
IP trunk card ELAN network interface MAC address and IP address                
Print the IP Trunk 3.01 (and later) trunk route and trunk designators
TM 3.1 maintenance commands                
Multi-purpose Serial Data Link (MSDL) commands
              Simple Network Management Protocol (SNMP)
Error traps                
Table59 "Error events" (page 399) shows the error events that cause the SNMP agent to issue a trap.
Other traps                
TRACE and ALARM/LOG Call Tracing (TRACEFile Command)
              ITG shell command set
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              IP trunk card self-tests
              Card LAN
BIOS self-test                
Base code self-test
Field-Programmable Gate Array (FPGA) testing              
Outgoing calls attempted/completed mismatch
              IP Trunk 3.01 (and later) upgrades
Application upgrade                
Maintenance or bug x upgrade
Patching tool            
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              Patch Directories
Flash storage upgrades                
Software upgrade mechanisms
Upgrade software using TM 3.1            
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              Replace an IP trunk card
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              Determine IP trunk card software release
Transmit card properties and dialing plan              
Backup and restore procedures
IP trunk card                
TM 3.1 
Command Line Interface              
Fault clearance procedures
DSP failure                
Card failure
              DCH failure
DCH link failure                
PC Card failure
DCHIP card failure                
Power loss
              Media Card 32-port trunk card faceplate maintenance display codes
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              ITG-Pentium 24-port trunk card faceplate maintenance display codes
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              System performance under heavy load
Message: PRI241                
Normal cause
Normal resolutions            
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              Appendix A Patches and advisements
Introduction                
IP Trunk 3.00.53 patches
MPLR17662                
MPLR17346
              IP Trunk 3.01.22 patches
MPLR18142                
MPLR18157
Interoperability with IP Trunk 3.01 (MPLR17662 patch)            
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              Appendix B Cable description and NT8D81BA cable replacement
Introduction              
NTMF94EA ELAN, TLAN and Serial Port cable
              NTCW84KA ELAN, TLAN, DCH and serial cable
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              NTAG81CAFaceplate Maintenance cable
              NTAG81BAMaintenance Extender cable
              NTCW84EA DCH PC Card pigtail cable
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              NTMF04BA MSDL extension cable
              NTCW84LA and NTCW84MA upgrade cables
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              Prevent ground loops on connection to external customer LAN equipment 
              Replace cable NT8D81BA with NT8D81AA
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              Tools list
Remove the NT8D81BA cable                
Install NTCW84JA lter and NT8D81AA cable
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              Appendix C Environmental and electrical regulatory data
Environmental specications                
Mechanical conditions
              Electrical regulatory standards
Safety               
Electromagnetic Compatibility (EMC)
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              Appendix D Subnet mask conversion from CIDR to dotted decimal format
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              Appendix E CLI commands
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              Appendix F Congure a Netgear RM356 modem router for remote access
Introduction              
Security features of the RM356 modem router
Install the RM356 modem router              
Congure the TM 3.1 PC to communicate with a remote system site through a modem router
Congure the RM356 modem router through the manager menu            
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              RM356 modem router manager menu (application notes on the ELAN subnet installation)
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              Enter Menu Selection Number: 1
              Appendix G Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunks
              Upgrade procedure summary
Before you begin            
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              Install the DCHIP hardware upgrade kit
              Install the DCHIP I/O Panel breakout cable from the upgrade kit
              Upgrade the ITG 8-port trunk card ITG basic trunk software to ITG/ISL trunk software
Step 1 - Remove ITG Trunk 1.0 conguration les            
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              Step 2 - TransmitITG Trunk 2.0 software to the ITG 8-port trunk cards
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              Remove ITG Trunk 1.0 conguration data from Meridian 1
              Congure the Meridian 1 ITG/ISL trunk data
Upgrade considerations            
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              Verify ROM-BIOS version
Upgrade Troubleshooting                
TM 3.1 cannot refresh view (card not responding)
How to upgrade software using the ITG shell            
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              Index
Symbols/Numerics                
A
B                
C
              E
F                
G
H                
I
              J
L                
M
N                
O
              S
T                
U
V                
W
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Nortel Communication Server 1000              
IP Trunk Fundamentals