Nortel 1000 Con?guration guide Manual de usuario

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563

Document status: Standard

Document version: 02.01

Document date: 21 December 2007

Sourced in Canada

LEGAL NOTICE

While the information in this document is believed to be accurate and reliable, except as otherwise expressly agreed

to in writing NORTEL PROVIDES THIS DOCUMENT "AS IS" WITHOUT WARRANTY OR CONDITION OF ANY

KIND, EITHER EXPRESS OR IMPLIED. The information and/or products described in this document are subject

to change without notice.

Nortel, the Nortel Logo, the Globemark, SL-1, Meridian 1, and Succession are trademarks of Nortel Networks.

All other trademarks are the property of their respective owners.

Contents

New in this Release 15

Other changes 15

How to Get Help 17

Getting help from the Nortel web site 17

Getting help over the telephone from a Nortel Solutions Center 17

Getting help from a specialist by using an Express Routing Code 17

Getting help through a Nortel distributor or re-seller 18

Overview of IP Trunk 3.01 19

Contents 19

Introduction 19

Startup and registration 23

IP Trunk 3.01 (and later) and CS 1000S/CS 1000M 25

Loss plans and pad values 27

Codec selection 27

IP Trunk 3.01 (and later) requirements 27

Package requirements 27

TM 3.1 28

Interoperability with the ITG 8-port trunk card 28

System description 29

Contents 29

IP Trunk 3.01 (and later) application 31

System requirements 32

Hardware components for IP Trunk 3.01 (and later) 33

Ordering rules and guidelines 36

Ordering rules for an IP Trunk 3.01 (and later) node 36

Ordering rules for IP Trunk 3.01 (and later) node expansion 37

Sparing ratios for IP Trunk 3.01 (and later) components 37

IP trunk card description 38

8051 XAController ﬁrmware 38

Card roles 39

Card combinations 43

Interactions among card functions 44

ITG-Pentium 24-port trunk card (NT0961AA) 46

Nortel Communication Server 1000

IP Trunk Fundamentals

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Release 5.5 21 December 2007

4Contents

Description 46

Faceplate indicators, controls, and interfaces 47

Backplane interfaces 50

Assembly description 50

Media Card 32-port trunk card (NTVQ01BB) 51

Description 51

NTVQ01BB Hardware 52

Assembly description 53

Faceplate indicators and interfaces 53

Backplane interfaces 54

Installation guidelines 55

Software delivery 55

Replacing a CompactFlash PC Card (C:/ drive) 56

Software upgrade 59

Media Card application identiﬁcation labels 60

Interoperability with earlier versions of ITG Trunk 60

Fax Tone Detection Conﬁguration 61

ISDN Signaling Link 61

Inter-card signaling paths 64

Dialing plans 65

Multi-node conﬁguration 65

North American dialing plan 66

Flexible Numbering Plan 67

Electronic Switched Network (ESN5) network signaling 67

Echo cancellation 67

Speech Activity Detection 69

DTMF Through Dial 69

Quality of Service 70

Quality of Service parameters 71

Network performance utilities 72

E-Model 73

Fallback to alternate facilities 74

Triggering fallback to alternate trunk facilities 74

Fallback in IP Trunk 3.01 (and later) 76

Return to the IP network 76

Type of Service 76

Fax support 78

Remote Access 79

Per-call statistics support using RADIUS Client 80

Conﬁguration 81

Messaging 81

SNMP MIB 83

MIB-2 support 83

Nortel Communication Server 1000

IP Trunk Fundamentals

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Release 5.5 21 December 2007

Contents 5

IP Trunk 3.01 (and later) SNMP agent 83

Codec proﬁles 84

G.711 84

G.729AB 85

G.729B 85

G.723.1 (5.3 kbit/s or 6.3 kbit/s) 85

Security passwords 86

Administrator level 86

Technical support level 86

ITG engineering guidelines 87

Contents 87

Introduction 89

Audience 90

Equipment requirements 90

Scope 92

Network engineering guidelines overview 92

IP Trunk 3.01 (and later) trafﬁc engineering 95

Estimate voice trafﬁc calculations 95

Calculate the number of IP Trunk 3.01 (and later) ports required 99

Calculate number of IP trunk cards required 101

Factors that effect the real-time capacity 104

Host module type 104

The number of ports conﬁgured on the Leader card, codec selection, and voice

sample size 104

Size of the IP Trunk 3.01 (and later) network 104

Endpoint type 105

The Average Hold Time (AHT) and distribution of incoming calls 105

Calculate Ethernet and WAN bandwidth usage 111

Silence Suppression engineering considerations 114

Fax engineering considerations 114

Trunk Anti-Tromboning (TAT) and Trunk Route Optimization (TRO)

considerations 115

WAN route bandwidth engineering 118

Assess WAN link resources 121

Link utilization 121

Estimate network loading caused by IP Trunk 3.01 (and later) trafﬁc 122

Route Link Trafﬁc Estimation 123

Enough capacity 125

Insufﬁcient link capacity 126

Other intranet resource considerations 126

Implement QoS in IP networks 126

Trafﬁc mix 127

TCP trafﬁc behavior 127

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563 02.01 Standard

Release 5.5 21 December 2007

6Contents

IP Trunk 3.01 (and later) DiffServ support for IP QoS 128

Queue management 129

Use of Frame Relay and ATM services 129

Internet Protocols and ports used by IP Trunk 3.01 (and later) 130

QoS fallback thresholds and IP Trunk 3.01 (and later) 131

Fine-tune network QoS 132

Components of delay 132

Reduce link delay 135

Reduce hop count 136

Adjust jitter buffer size 136

Reduce packet loss 136

Routing issues 137

Network modeling 137

Time-of-Day voice routing 138

Measure intranet QoS 139

QoS evaluation process overview 139

Set QoS expectations 139

Obtain QoS measurement tools 143

Measure end-to-end network delay 143

Measure end-to-end packet loss 145

Adjust PING measurements 145

Network delay and packet loss evaluation example 146

Other measurement considerations 147

Estimate voice quality 147

Does the intranet meet expected IP Trunk 3.01 (and later) QoS? 152

IP Trunk 3.01 (and later) LAN installation and conﬁguration 152

Basic setup of the IP Trunk 3.01 (and later) system 152

IP trunk card connections 153

Conﬁgure a system with separate subnets for voice and management 153

Subnet conﬁgurations 154

Selecting public or private IP addresses 155

Single subnet option for voice and management 156

Multiple IP Trunk 3.01 (and later) nodes on the same ELAN and TLAN

segments 157

General LAN considerations 157

ELAN and TLAN network interface half- or full-duplex operation 157

TLAN subnet design 158

Conﬁgure the TLAN subnet IP router 158

Setting up the ELAN subnet 159

How to avoid system interruption 159

IP Trunk 3.01 (and later) DSP proﬁle settings 161

Codec types 161

Payload size 162

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563 02.01 Standard

Release 5.5 21 December 2007

Contents 7

Jitter buffer parameters (voice playout delay) 162

Silence Suppression parameters (Voice Activity Detection) 163

Fallback threshold 164

Setting the QoS threshold for fallback routing 164

Post-installation network measurements 164

Set ITG QoS objectives 165

Intranet QoS monitoring 166

SNMP network management 167

IP Trunk 3.01 (and later) network inventory and conﬁguration 167

User feedback 168

TM 3.1 management and conﬁguration of IP Trunk 3.01 (and

later) 169

Contents 169

Introduction 169

TM 3.1 ITG Engineering rules 169

TM 3.1 network setup guidelines 170

TM 3.1 remote access conﬁguration 170

TM 3.1 PC description 172

TM 3.1 PC hardware and software requirements 173

Hard drive requirements 174

Install and conﬁgure IP Trunk 3.01 (and later) node 177

Contents 177

Introduction 179

Before you begin 180

Installation procedure summary 180

ESN installation summary 182

Create the IP Trunk 3.01 (and later) Installation Summary Sheet 183

Channel Identiﬁer planning 184

Preferred ISL channel numbering 184

Incorrect ISL channel numbering plans 189

Install and cable IP Trunk 3.01 (and later) cards 190

Card installation procedure 190

Install NTCW84JA Large System I/O Panel 50-Pin ﬁlter adapter 193

Remove existing I/O panel ﬁlter adapter 194

Install NTMF94EA and NTCW84KA cables 195

Install the NTCW84KA cable (for DCHIP cards) 196

Install the NTMF94EA cable (for non-DCHIP cards) 197

Install shielded TLAN network interface cable 198

Install shielded ELAN network interface cable 199

D-channel cabling for the NT0961AA ITG-Pentium 24-Port trunk card 199

Required cables and ﬁlters for Large Systems 199

Conﬁgure NT6D80 MSDL switches 199

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563 02.01 Standard

Release 5.5 21 December 2007

8Contents

Install ﬁlter and NTND26 cable (for MSDL and DCHIP cards in same Large System

equipment row) 200

Install ﬁlter and NTND26 cable (for MSDL and DCHIP cards in different Large

System equipment rows) 202

Small System cable installation 203

Install the serial cable 204

Cabling for the Media Card 32-port trunk card 205

ELAN and TLAN network interfaces 205

ITG Card ELAN/TLAN Adapter (L-adapter) 207

RS-232 maintenance port 211

NTMF29BA DCHIP cable 212

DCHIP cable routing, Large Systems 213

DCHIP Cable Routing

Meridian 1 Option 11C Cabinet/CS 1000M Cabinet 215

Other components 216

Media Card 32-port trunk card modem connection 217

Conﬁgure IP Trunk 3.01 (and later) data 218

Conﬁgure the ISL D-channel on the system for the DCHIP card for IP Trunk

3.01 (and later) 218

Conﬁgure the ISL D-channel on the Meridian 1/CS 1000M for the DCHIP card

for IP Trunk 3.01 (and later) 221

Conﬁgure ISDN feature in Customer Data Block 222

Conﬁgure IP Trunk 3.01 (and later) TIE trunk routes 223

Conﬁgure Media Card 32-port and ITG-Pentium 24-port trunk cards and units for

IP Trunk Route 227

Conﬁgure dialing plans within the corporate network 230

Make the IP Trunk 3.01 (and later) the ﬁrst-choice, least-cost entry in the Route

List Block 230

Turn on Step Back on Congestion for the IP Trunk 3.0 (and later) trunk route 230

Turn off IP Trunk 3.01 (and later) route during peak trafﬁc periods on the IP data

network 230

ESN5 network signaling 231

Disable the Media Card 32-port and ITG-Pentium 24-port trunk cards 235

Conﬁgure IP Trunk 3.01 (and later) data in TM 3.1 236

Add an IP Trunk 3.01 (and later) node in TM 3.1 manually 236

Add an IP Trunk 3.01 (and later) node and conﬁgure general node

properties 237

Single vs. separate TLAN and ELAN subnets 238

Conﬁgure Network Connections 239

Conﬁgure card properties 240

Conﬁgure DSP proﬁles for the IP Trunk 3.01 (and later) node 244

Conﬁgure SNMP Traps/Routing and IP addresses tab 247

Conﬁgure Accounting server 250

Control node access with SNMP community name strings 251

Exit node property conﬁguration session 252

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563 02.01 Standard

Release 5.5 21 December 2007

Contents 9

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

Retrieve the IP Trunk 3.01 (and later) node dialing plan using TM 3.1 258

Transmit IP trunk card conﬁguration data from TM 3.1 to the IP trunk cards 260

Before conﬁguration data is transmitted 260

Conﬁgure the Leader 0 IP address 260

Backup Leader installation for IP Trunk 3.01 (and later) 262

Transmit the node properties, card properties and dialing plan to Leader 0 264

Verify installation and conﬁguration 266

Observe IP Trunk 3.01 (and later) status in TM 3.1 266

Transmit card properties and dialing plan to Leader 1 and Follower cards 268

Conﬁgure date and time for the IP Trunk 3.01 (and later) node 269

Change the default ITG shell password to maintain access security 270

Change default ESN5 preﬁx for non-ESN5 IP telephony gateways 271

Check and download IP trunk card software in TM 3.1 272

Transmit new software to the IP trunk cards 274

Upgrade the DCHIP PC Card 276

Conﬁgure TM 3.1 Alarm Management to receive SNMP traps from the IP trunk

cards 277

Make test calls to the remote nodes (ITG Trunk or IP Trunk) 280

Provisioning IP Trunk 3.01 (and later) in TM 3.1 281

Contents 281

Overview 281

Add a site and system 282

Add a site 282

Change an existing site 284

Delete a site 286

Add a system 289

Delete a system 299

Add an IP Trunk 3.01 (and later) node 301

Edit a node 311

Delete a node 316

Deﬁne the dialing plan information 318

Non-Gatekeeper-resolved (local) dialing plan 319

Gatekeeper-resolved endpoints 334

TM 3.1 OA and M using TM 3.1 applications 343

Contents 343

Introduction 344

TM 3.1 OA and M procedure summary 344

Delete a node 345

Delete an IP trunk card 345

Database locking 346

ITG Card Properties window 347

ITG Card Properties Maintenance window 347

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563 02.01 Standard

Release 5.5 21 December 2007

10 Contents

ITG Card Properties Conﬁguration window 349

DSP maintenance window 349

D-channel maintenance 350

Transmit conﬁguration data 350

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

Retrieve and add an IP Trunk 3.01 (and later) node for administration

purposes 353

Retrieve and add an IP Trunk 3.01 (and later) node for maintenance and diagnostic

purposes 355

Conﬁguration audit 356

Retrieve IP Trunk 3.01 (and later) conﬁguration information from the IP Trunk

3.0 (and later) node 357

Schedule and generate and view IP Trunk 3.01 (and later) OM reports 358

System commands LD 32 362

Disable the indicated IP trunk card 363

Disable the indicated IP trunk card when idle 363

Enable an indicated IP trunk card 364

Disable an indicated IP trunk card port 364

Enable an indicated IP trunk card port 364

Display IP trunk card ID information 364

Display IP trunk card status 364

Display IP trunk card port status 364

OA and M using the ITG shell CLI and overlays 367

Contents 367

Introduction 368

ITG Shell OA and M procedure summary 368

Access the ITG shell through a maintenance port or Telnet 368

Connect a PC to the card maintenance port 369

Telnet to an IP trunk card through the TM 3.1 PC 370

Change the default ITG shell password to maintain access security 371

Reset the default ITG shell password 372

Download the ITG operational measurements through the ITG shell 374

Reset the operational measurements 375

Display the number of DSPs 375

Display IP Trunk 3.01 (and later) node Properties 375

Display IP Trunk 3.01 (and later) Gatekeeper status 376

Transfer ﬁles through the Command Line Interface 377

Upgrade IP trunk card software using FTP 379

Backup and restore from the CLI 382

Recover the SNMP community names 383

IP Trunk 3.01 (and later) conﬁguration commands 384

Download the IP Trunk 3.01 (and later) error log 384

System commands LD 32 384

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563 02.01 Standard

Release 5.5 21 December 2007

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