Cisco VG204 Manual de usuario

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Cisco VG202 and Cisco VG204 Voice

Gateways Software Configuration Guide

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Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide

iii

Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide

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CONTENTS

Preface v

To Access Online User Documentation (PDF and HTML Formats) iii-vi

CHAPTER

1Understanding Interface Numbering and Cisco IOS Software Basics 1-1

Identifying the Cisco VG202 and Cisco VG204 Voice Gateways 1-1

Cisco VG202 Voice Gateway 1-2

Port Numbering Conventions 1-3

Understanding Cisco IOS Software Basics 1-4

Getting Help 1-4

Command Modes 1-4

Undoing a Command or Feature 1-5

Saving Configuration Changes 1-6

Upgrading to a New Cisco IOS Release 1-6

Cisco VG202 and Cisco VG204 Voice Gateways Deployment Scenario 1-6

Where to Go Next 1-7

CHAPTER

2Using the setup Command Facility 2-1

Before Powering On Your Cisco Voice Gateway 2-1

Using the setup Command Facility 2-2

Configuring Global Parameters 2-2

Completing the Configuration 2-5

CHAPTER

3Configuring with the Command-Line Interface 3-1

Configuring the Hostname and Password 3-1

Verifying the Hostname and Password 3-3

Configuring Fast Ethernet Interfaces 3-3

Saving Configuration Changes 3-5

CHAPTER

4Configuring Voice 4-1

Prerequisites 4-1

Configuring the Voice Interface 4-2

Auto-Configuration on the Cisco VG202 and Cisco VG204 Voice Gateways 4-3

Restrictions for Configuring Auto-Configuration 4-3

Contents

Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide

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Auto-Configuration With a DHCP Server 4-4

Auto-Configuration Without a DHCP Server 4-5

Configuring the Voice Interface for Cisco CallManager 4-7

Configuring the MAC Address Convention 4-10

Configuring Calls 4-11

Call Transfer 4-11

Call Waiting 4-12

Three-Party Conferencing 4-12

Call ID 4-12

APPENDIX

AUsing the ROM Monitor A-1

Entering the ROM Monitor Mode A-1

ROM Monitor Commands A-2

Command Descriptions A-3

Recovering Boot and System Images A-4

Using the xmodem Command A-4

Configuration Register A-4

Changing the Configuration Register Manually A-5

Changing the Configuration Register Using Prompts A-5

Console Download A-6

Command Description A-6

Error Reporting A-7

Debug Commands A-7

Exiting the ROM Monitor A-8

NDEX

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Preface

This preface describes the objectives, audience, organization, and conventions of this software

configuration guide, and where to get the latest version of this guide.

This preface presents the following major topics:

• Objectives, page v

• Audience, page v

• Document Organization, page vi

• Related and Referenced Documents, page vi

• Obtaining Documentation and Submitting a Service Request, page vi

Objectives

After installing the voice gateway, use this guide to complete a basic configuration. This guide also

contains information on using the Cisco IOS software to perform other configuration tasks, such as

configuring a VoIP interface and other features.

This guide does not provide complete configuration instructions. See the Cisco IOS configuration guides

and command references for detailed configuration instructions.

Audience

This publication is designed for the person who will be responsible for configuring your voice gateway.

This guide is intended primarily for the following audiences:

• Customers with technical networking background and experience

• System administrators who are familiar with the fundamentals of voice gateway-based

internetworking, but who might not be familiar with Cisco IOS software

• System administrators who are responsible for installing and configuring internetworking

equipment, and who are familiar with Cisco IOS software

Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide

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Preface

Document Organization

The following table summarizes major sections of this document.

Related and Referenced Documents

The documents described here are available online. To be sure of obtaining the latest information, you

should access the online documentation.

To print a document in its original page format, access the online document, and click the PDF icon.

You can also order printed copies of documents. See the “Obtaining Documentation and Submitting a

Service Request” section on page vi.

To Access Online User Documentation (PDF and HTML Formats)

From Cisco.com at http://www.cisco.com, under Documentation, select Voice and Unified

Communications, select Voice Gat e way, select Cisco VG200 Series Gateways.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional

information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and

revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed

and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free

service and Cisco currently supports RSS version 2.0.

Chapter Title Description

Chapter 1 Understanding Interface

Numbering and Cisco IOS

Software Basics

Provides an overview of the interface numbering

conventions for the Cisco VG202 and Cisco VG204

voice gateways. Also provides a basic understanding of

Cisco IOS software.

Chapter 2 Using the setup Command

Facility

Describes how to use the setup command facility to

configure your voice gateway.

Chapter 3 Configuring with the

Command-Line Interface

Describes how to use the Cisco IOS software

command-line interface (CLI) to configure basic voice

gateway functionality.

Chapter 4 Configuring Voice Describes how to configure voice gateway foreign

exchange station (FXS) interfaces for your gateway.

Appendix A Using the ROM Monitor Provides configuration example for the Cisco VG202

and Cisco VG204 voice gateways.

CHAPTER

1-1

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Understanding Interface Numbering and

Cisco IOS Software Basics

This chapter provides an overview of interface numbering in the Cisco VG202 and Cisco VG204 voice

gateways (VG). It also describes how to use the Cisco IOS software commands.

This chapter presents the following major topics:

• Identifying the Cisco VG202 and Cisco VG204 Voice Gateways, page 1-1

• Port Numbering Conventions, page 1-3

• Understanding Cisco IOS Software Basics, page 1-4

• Upgrading to a New Cisco IOS Release, page 1-6

• Where to Go Next, page 1-7

Identifying the Cisco VG202 and Cisco VG204 Voice Gateways

Cisco VG202 and Cisco VG204 voice gateways deliver analog voice gateways for the service provider

as well as commercial and enterprise unified communication markets. Both voice gateways provide

voice connectivity to devices such as analog phones, fax machines and modems.

Cisco VG202 and Cisco VG204 voice gateways provide support for 2-FXS (Cisco VG202) and 4-FXS

(Cisco VG204) ports, each supporting independent telephone numbers giving you two or four separate

lines, and parity with Cisco IOS fax/modem, security, and Session Initiation Protocol (SIP) features.

Both voice gateways are configurable with Cisco Unified Communications Manager (CUCM).

Note Cisco VG202 and Cisco VG204 voice gateways are fixed voice gateways and do not support interface

cards.

Note Yo u r C i sc o IOS software release may not support all of the features documented in this document. For

the latest feature information and caveats, see the release notes for your platform and software release.

Note Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OS

software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An

account on Cisco.com is not required.

1-2

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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

Identifying the Cisco VG202 and Cisco VG204 Voice Gateways

Figure 1-1 shows the front panel of the Cisco VG202 voice gateway. Figure 1-2 shows the front panel

of the Cisco VG204 voice gateway.

Cisco VG202 Voice Gateway

The Cisco VG202 and Cisco VG204 chassis include console, auxiliary, FXS, and FE ports.

Figure 1-1 Cisco VG202 Voice Gateway Front Panel

Figure 1-2 Cisco VG204 Voice Gateway Front Panel

231877

VG202

FXS

0/00/1

231875

VG204

FXS

0/00/10/2

0/00/

0/3

1-3

Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide

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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

Port Numbering Conventions

Figure 1-3 and Figure 1-4 show the port numbers of the Cisco VG202 and Cisco VG204 Voice

Gateways.

Figure 1-3 Back Panel Feature Locations on the Cisco VG202 Voice Gateway

Figure 1-4 Back Panel Feature Locations on the Cisco VG204 Voice Gateway

Port numbering conventions for the Cisco VG202 and Cisco VG204 Voice Gateways are as follows:

• Foreign Exchange Station (FXS) voice port numbering begins at 0/0 and extends to 0/2 or 0/4,

depending on the number of voice ports.

231880

12V DC SA

CONSOLE

AUX

Fas tEthernet

0/1 0/0

VG202

FXS

0/1 0/0

Fast Ethernet port 1,

Fast Ethernet port 0 2

Serial port—console or

auxiliary 3

FXS ports

4Power connector 5Chassis ground connection 6Kensington security slot

231940

VG204

12V DC SA

CONSOLE

AUX

Fas tEthernet

0/1 0/0

FXS

0/1

0/20/3 0/0

Fast Ethernet port 1,

Fast Ethernet port 0 2

Serial port—console or

auxiliary 3

FXS ports

4Power connector 5Chassis ground connection 6Kensington security slot

1-4

Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide

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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

Understanding Cisco IOS Software Basics

• 10/100BASE-T Fast Ethernet ports are numbered Fast Ethernet 0/0 and Fast Ethernet 0/1, from right

to left.

Understanding Cisco IOS Software Basics

This section describes what you need to know about the Cisco IOS software before you configure the

VG by using the command-line interface (CLI). This chapter includes the following:

• Getting Help, page 1-4

• Command Modes, page 1-4

• Undoing a Command or Feature, page 1-5

• Saving Configuration Changes, page 1-6

• Where to Go Next, page 1-7

Understanding these concepts will save time as you begin to use the CLI. If you have never used

Cisco IOS software or if you need a refresher, take a few minutes to read this chapter before you proceed

to the next chapter.

Note For a comprehensive view of Cisco IOS configuration fundamentals, see the Cisco IOS Configuration

Fundamentals Configuration Guide, Release 12.4 document.

If you are already familiar with Cisco IOS software, proceed to Chapter 2, “Using the setup Command

Facility.”

Getting Help

Use the question mark (?) and arrow keys to help you enter commands:

• For a list of available commands, enter a question mark:

VG> ?

• To complete a command, enter a few known characters followed by a question mark (with no space):

VG> s?

• For a list of command variables, enter the command followed by a space and a question mark:

VG> show ?

• To redisplay a command you previously entered, press the Up arrow key. You can continue to press

the Up arrow key for more commands.

Command Modes

The Cisco IOS user interface involves different modes. Each command mode permits you to configure

different components on your VG. The commands available at any given time depend on which mode

you are currently in. Entering a question mark (?) at the prompt displays a list of commands available

for each command mode. Table 1-1 lists the most common command modes.

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