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About this Guide

About this Guide

This preface describes the objectives, audience, organization, and conventions of the Session Initiation Protocol Gateway Call Flows and Compliance Information.

This preface contains the following information:

Overview

The Session Initiation Protocol Gateway Call Flows and Compliance Information provide call flows reflective of the Session Initiation Protocol (SIP) implementation on Cisco gateways. This document also includes RFC 2543 compliance information.

Who Should Use This Guide

Network engineers, system administrators, or telecommunication engineers should use this guide as a reference when implementing SIP in a network.

Document Objectives

The Session Initiation Protocol Gateway Call Flows and Compliance Information provides reference information for implementing SIP in a Voice-over-IP (VoIP) network.

It is not the intent of this document to provide information on how to implement a SIP VoIP network. For information on implementing a SIP VoIP network, refer to the documents listed in the "Related Documentation" section.

Document Organization

This administrator guide is divided into the following chapters and appendixes:

Document Conventions

Table 1 describes the conventions that might be used in this document.


Table 1: Document Conventions Guide
Convention Description

boldface

Commands and keywords.

italic

Command input that is supplied by you.

[     ]

Keywords or arguments that appear within square brackets are optional.

{ x | x | x }

A choice of keywords (represented by x) appears in braces separated by vertical bars. You must select one.

^ or Ctrl

Represent the key labeled Control. For example, when you read ^D or Ctrl-D, you should hold down the Control key while you press the D key.

screen font

Examples of information displayed on the screen.

boldface screen font

Examples of information that you must enter.

<     >

Nonprinting characters, such as passwords, appear in angled brackets.

[     ]

Default responses to system prompts appear in square brackets.


Related Documentation

The following is a list of related Cisco SIP VoIP publications. For more information about implementing a SIP VoIP network refer to the following publications:

The following is a list of Cisco VoIP publications that provide information about implementing a VoIP network:

Obtaining Documentation

World Wide Web

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Documentation CD-ROM

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Ordering Documentation

Cisco documentation is available in the following ways:

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http://www.cisco.com/public/ordsum.html

  • Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription Store:

http://cisco.productorder.com/newframe.asp

  • Nonregistered Cisco.com users can order documentation through a local account representative by calling Cisco corporate headquarters (California, USA) at 408 526-7208 or, in North America, call 800 553-NETS (6387).

Documentation Feedback

If you are reading Cisco product documentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.

You can e-mail your comments to bug-doc@cisco.com.

To submit your comments by mail, use the response card behind the front cover of your document, or write to the following address:

Attn Document Resource Connection
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical Assistance

Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC website.

Note   If you are an application programmer and need more information or technical assistance with GKTMP/API developer support, see Developer Support Central on Cisco.com at http://www.cisco.com/warp/public/570/ or contact gktmp-sdp@cisco.com

Cisco.com

Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resouces at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.

Cisco.com provides a broad range of features and services to help customers and partners to streamline business processes and improve productivity. Through Cisco.com, you will find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online technical support, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.

Customers and partners can self-register on Cisco.com to obtain additional personalized information and services. Registered users can order products, check on the status of an order, access technical support, and view benefits specific to their relationships with Cisco.

To access Cisco.com, go to the following website:

http://www.cisco.com

Technical Assistance Center

The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract.

Contacting TAC by Using the Cisco TAC Website

If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC website:

http://www.cisco.com/tac

P3 and P4 level problems are defined as follows:

  • P3—Your network performance is degraded. Network functionality is noticeably impaired, but most business operations continue.

  • P4—You need information or assistance on Cisco product capabilities, product installation, or basic product configuration.

In each of the above cases, use the Cisco TAC website to quickly find answers to your questions.

To register for Cisco.com, go to the following website:

http://www.cisco.com/register/

If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following website:

http://www.cisco.com/tac/caseopen

Contacting TAC by Telephone

If you have a priority level 1 (P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following website:

http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml

P1 and P2 level problems are defined as follows:

  • P1—Your production network is down, causing a critical impact to business operations if service is not restored quickly. No workaround is available.

  • P2—Your production network is severely degraded, affecting significant aspects of your business operations. No workaround is available.