3Com VCX V7122 SIP Manuel utilisateur
1
3Com®VCX™V7122 SIP VoIP
Gateway User Manual
Version 4.2
http://www.3com.com
Part Number 900-0181-01 Rev AA
Published June 2004
2 3Com VCX V7122/SIP VoIP Gateway User Manual
3Com Corporation, 350 Campus Drive, Marlborough MA 01752-3064
Copyright © 2004, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by
any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission
from 3Com Corporation.
3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without
obligation on the part of 3Com Corporation to provide notification of such revision or change.
3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed,
including, but not limited to, the implied warranties, terms, or conditions of merchantability, satisfactory quality, and fitness for a
particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this
documentation at any time.
If there is any software on removable media described in this documentation, it is furnished under a license agreement included
with the product as a separate document, in the hardcopy documentation, or on the removable media in a directory file named
LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.
UNITED STATES GOVERNMENT LEGEND
If you are a United States government agency, then this documentation and the software described herein are provided to you
subject to the following:
All technical data and computer software are commercial in nature and developed solely at private expense. Software is
delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as
defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard commercial license
for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR
52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any
licensed program or documentation contained in, or delivered to you in conjunction with, this guide.
Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered
in other countries.
3Com, the 3Com logo, NBX, and SuperStack are registered trademarks of 3Com Corporation. NBX NetSet, pcXset, and VCX
are trademarks of 3Com Corporation.
Adobe is a trademark and Adobe Acrobat is a registered trademark of Adobe Systems Incorporated. Microsoft, Windows,
Windows 2000, Windows NT, and Microsoft Word are registered trademarks of Microsoft Corporation.
All other company and product names may be trademarks of the respective companies with which they are associated.
3Com VCX V7122/SIP VoIP Gateway User Manual 3
CONTENTS
ABOUT THIS GUIDE 9
How to Use This Guide 9
Conventions 10
Related Documentation 10
Documentation Comments 10
CHAPTER 1: OVERVIEW OF THE VCX V7122 13
Introduction 13
VCX V7122/SIP Gateway Key Features 16
Reader's Notes 17
CHAPTER 2: HARDWARE INSTALLATION 19
Hardware Installation Procedure 19
General 19
Available Configurations 20
Applicable Boards 20
Unpacking 21
Installation 22
Board Replacement 23
Optional CPU Board 23
VCX V7122/SIP Front and Rear Panels 24
VCX V7122/SIP Front Panels 24
VCX V7122/SIP Rear Panels 27
VCX V7122/SIP Front Panel LED Indicators 33
Reader's Notes 35
CHAPTER 3: SOFTWARE INSTALLATION 37
Installation Package 37
VCX V7122/SIP Initialization 37
Quick Setup Procedure 38
BootP/DHCP and TFTP Procedures 40
4 3Com VCX V7122/SIP VoIP Gateway User Manual
Configuring the TFTP Server 41
Using 3Com BootP/TFTP Configuration Utility 42
Configuring the Windows NT DHCP Server 42
Other TFTP and BootP Servers 43
VCX V7122/SIP Software Upgrade 43
General Upgrade Procedure 43
Reader's Notes 47
CHAPTER 4: PROFILE,OPERATION,AND CONFIGURATION 49
General 49
PSTN-to-SIP Interworking 49
Supported SIP Features 50
VCX V7122/SIP Gateway Features 51
Trunk to Trunk Routing Example 54
SIP Call Flow Example 54
SIP Authentication Example 57
Reader's Notes 60
CHAPTER 5: PROVISIONING 61
Provisioning for SIP Operation 61
Basic, Logging and Web Parameters 62
E1/T1 Configuration Parameters 65
Channel Parameters 73
SIP Configuration Parameters 76
Loading Call Progress Tones and E1/T1 CAS Configuration Files 85
The INI File Structure 86
The INI File Structure Rules 86
The INI File Examples 87
Excel Utility for INI File Generation 87
General Data Sheet 88
SIP Parameters Sheet 89
End Points Data Sheet 90
Prefix to IP Routing Table 91
E1/T1 Parameters Sheet 92
Using Call Progress Tones 92
Format of the Call Progress INI File 93
Default Template for Call Progress Tones 94
3Com VCX V7122/SIP VoIP Gateway User Manual 5
Call Progress Tone Generation and Download Procedure 96
Reader's Notes 99
CHAPTER 6: DEVICE MANAGEMENT 101
SNMP Management 101
SNMP Overview 101
SNMP Messages 101
SNMP MIB Objects 102
SNMP Extensibility Feature 103
VCX V7122/SIP Gateway Supported MIBs 103
Web Management 104
Overview 104
Password Control 104
The Embedded Web Server Username Password 104
Security Preferences 105
Accessing the Embedded Web Server 105
Quick Setup Configuration Parameters 106
Protocol Management Menu 107
Protocol Definition 108
Advanced Configuration Menu 113
Status and Diagnostic Menu 121
Software Update Menu 124
Save Configuration 128
Reader's Notes 129
CHAPTER 7: DIAGNOSTICS 131
Diagnostics Overview 131
VCX V7122/SIP Gateway Alarms and SNMP Traps 131
LED Visual Indicator Status and Alarms 131
SNMP Traps 132
VCX V7122/SIP Self-Testing 133
SysLog Support 133
Overview 133
SysLog Operation 134
6 3Com VCX V7122/SIP VoIP Gateway User Manual
Solutions to Possible Problems 135
Possible Common Problems 135
Possible Voice Problems 137
Reader's Notes 138
CHAPTER 8: SPECIFICATIONS 139
VCX V7122/SIP Specifications 139
Reader's Notes 143
APPENDIX A: BOOTP/TFTP CONFIGURATION UTILITY 145
Introduction 145
Key Features 145
Specifications 146
BootP/TFTP Configuration Utility Installation 146
Logging Screen 147
Preferences Window 147
Client Configuration Window 147
Template Window 148
Window Details 149
Main Window 149
Preferences Window 150
Client Configuration Window 152
Templates Window 153
Reader's Notes 155
APPENDIX B: RTP/RTCP PAYLOAD TYPES 157
B.1 Payload Types Defined in RFC 1890 157
B.2 3Com Defined Payload Types 158
APPENDIX C: DEFAULT RTP/RTCP/T.38 PORT ALLOCATION 159
Reader's Notes 160
APPENDIX D: DTMF, FAX,AND MODEM TRANSPORT MODES 161
DTMF/MF Relay Settings 161
Fax/Modem Settings 161
Configuring Fax Relay Mode 161
Configuring Fax/Modem ByPass Mode 162
3Com VCX V7122/SIP VoIP Gateway User Manual 7
Supporting V.34 Faxes 162
Reader's Notes 164
APPENDIX E: VCX V7122 CLOCK SETTINGS 165
Reader's Notes 166
APPENDIX F: WINDOWS NT DHCP SERVER CONFIGURATION 167
Reader's Notes 172
APPENDIX G: OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS 173
Register Your Product to Gain Service Benefits 173
Solve Problems Online 173
Purchase Extended Warranty and Professional Services 173
Access Software Downloads 174
Contact Us 174
Telephone Technical Support and Repair 174
8 3Com VCX V7122/SIP VoIP Gateway User Manual
3Com VCX V7122/SIP VoIP Gateway User Manual 9
ABOUT THIS GUIDE
This User’s Manual describes the 3Com VCX V7122/SIP (Session Initialization Protocol)
VoIP Gateway and TrunkPack TP-1610/SIP cPCI board, supported by Version 4.2 software.
Information contained in this document is believed to be accurate and reliable at the time of
printing. However, due to ongoing product improvements and revisions, 3Com cannot
guarantee accuracy of printed material after the Date Published nor can it accept
responsibility for errors or omissions. See “Appendix G: Obtaining Support for Your 3Com
Products” for details on how to register your product and get support from 3Com.
How to Use This Guide
This book covers these topics:
Chapter 1: Overview of the VCX V7122
Chapter 2: Hardware Installation
Chapter 3: Software Installation
Chapter 4: Profile, Operation, and Configuration
Chapter 5: Provisioning
Chapter 6: Device Management
Chapter 7: Diagnostics
Chapter 8: Specifications
Appendix A: BootP/TFTP Configuration Utility
Appendix B: RTP/RTCP Payload Types
Appendix C: Default RTP/RTCP/T.38 Port Allocation
Appendix D: DTMF, Fax, and Modem Transport Modes
Appendix E: VCX V7122 Clock Settings
Appendix F: Windows NT DHCP Server Configuration
Appendix G: Obtaining Support for Your 3Com Products
10 3Com VCX V7122/SIP VoIP Gateway User Manual
Conventions
Table 1 lists conventions that are used throughout this guide.
Table 1 Notice Icons
Icon Notice Type Description
Information note Information that describes important features or instructions.
Caution Information that alerts you to potential loss of data or potential
damage to an application, device, system, or network.
Warning Information that alerts you to potential personal injury or death.
Hexadecimal notation is indicated by 0x preceding the number.
Related Documentation
The following documents are available on the 3Com Partner Access website for the 3Com
VCX V7122 VoIP Gateway:
VCX V7122/SIP Release Notes, Version 4.2
Documentation Comments
Your suggestions are important to us because we want to make our documentation more
useful to you.
Please send e-mail comments about this guide or any of the VCX V7122 documentation and
Help systems to:
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