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