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Table of Contents

About This Guide
Document History
Document Objectives
Audience
Document Organization
Related Documentation
Syntax Conventions
Obtaining Documentation
Obtaining Technical Assistance
Obtaining Additional Publications and Information

About This Guide


This section describes the objectives, audience, organization, and conventions of the Cisco Gatekeeper External Interface Reference, Version 4.2.

Document History

The versions of this guide are listed in Table 1.

Table 1   Document History

Title  Cisco IOS Release  Location 

Cisco Gatekeeper External Interface Reference, Version 1

12.2(1)T

http://www.cisco.com/univercd/cc/td/doc/product/
software/ios121/121rel/gktmp/index.htm

Cisco Gatekeeper External Interface Reference, Version 2

12.1(5)XM

http://www.cisco.com/univercd/cc/td/doc/product/
software/ios121/121rel/gktmpv2/index.htm

Cisco Gatekeeper External Interface Reference, Version 3

12.2(2)XA

http://www.cisco.com/univercd/cc/td/doc/product/
software/ios122/rel_docs/gktmpv3/index.htm

Cisco Gatekeeper External Interface Reference, Version 3.1

12.2(2)XB
12.2(4)T
12.2(8)T

http://www.cisco.com/univercd/cc/td/doc/product/
software/ios122/rel_docs/gktmpv31/index.htm

Cisco Gatekeeper External Interface Reference, Version 4.1

12.2(11)T

http://www.cisco.com/univercd/cc/td/doc/product/
software/ios122/rel_docs/gktmp4_1/index.htm

Cisco Gatekeeper External Interface Reference, Version 4.2

12.2(15)T

http://www.cisco.com/univercd/cc/td/doc/product/
software/ios122/rel_docs/gktmp4_2/index.htm

Document Objectives

This guide is designed to help you understand and implement an external interface to the Cisco IOS Gatekeeper using the Cisco Gatekeeper Transaction Message Protocol (GKTMP) and application programming interface (API).

Audience

This guide is intended for application programmers who want to develop an application that interfaces with the Cisco IOS Gatekeeper.

Document Organization

This document is divided into the following chapters shown in Table 2:

Table 2   Organization

Chapter  Title  Description 

Chapter 1

Overview of H.323

Provides a high-level overview of H.323.

Chapter 2

Overview of the Cisco IOS Gatekeeper

Provides an overview of the features and functions of the Cisco IOS Gatekeeper.

Chapter 3

Implementing an External Interface to the Cisco IOS Gatekeeper

Provides information about and examples of implementing an external interface to the Cisco IOS Gatekeeper using the GKTMP and the Cisco IOS Gatekeeper API.

Chapter 4

GKTMP Messages

Describes the messages used with the GKTMP.

Chapter 5

Gatekeeper API Functions and Structures

Describes the functions provided with the Cisco IOS Gatekeeper API.

Chapter 6

GKTMP Command Reference

Describes the Cisco IOS software commands used to configure triggers for a Cisco IOS Gatekeeper.

Related Documentation

For additional information about the commands used in conjunction with the GKTMP, see the following documents:

Cisco IOS Voice, Video, and Fax Configuration Guide , Release 12.2

Cisco IOS Voice, Video, and Fax Command Reference , Release 12.2

Cisco High Performance Gatekeeper

Cisco H.323 Scalability and Interoperability Enhancements

Syntax Conventions

Table 3 describes the syntax used with the commands in this document.

Table 3   Command Syntax Conventions

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 angle brackets in contexts where italics are not available.

[     ]

Default responses to system prompts appear in square brackets.

Obtaining Documentation

Cisco provides several ways to obtain documentation, technical assistance, and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Cisco.com

You can access the most current Cisco documentation on the World Wide Web at this URL:

http://www.cisco.com/univercd/home/home.htm

You can access the Cisco website at this URL:

http://www.cisco.com

International Cisco web sites can be accessed from this URL:

http://www.cisco.com/public/countries_languages.shtml

Documentation CD-ROM

Cisco documentation and additional literature are available in a Cisco Documentation CD-ROM package, which may have shipped with your product. The Documentation CD-ROM is updated monthly and may be more current than printed documentation. The CD-ROM package is available as a single unit or through an annual subscription.

Registered Cisco.com users can order the Documentation CD-ROM (product number DOC-CONDOCCD=) through the online Subscription Store:

http://www.cisco.com/go/subscription

Ordering Documentation

You can find instructions for ordering documentation at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

You can order Cisco documentation in these ways:

http://www.cisco.com/en/US/partner/ordering/index.shtml

http://www.cisco.com/go/subscription

Documentation Feedback

You can submit comments electronically on Cisco.com. On the Cisco Documentation home page, click Feedback at the top of the page.

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

You can submit your comments by mail by using the response card behind the front cover of your document or by writing to the following address:

Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical Assistance

Cisco provides Cisco.com, which includes the Cisco Technical Assistance Center (TAC) Website, as a starting point for all technical assistance. Customers and partners can obtain online documentation, troubleshooting tips, and sample configurations from the Cisco TAC website. Cisco.com registered users have complete access to the technical support resources on the Cisco TAC website, including TAC tools and utilities.

Cisco.com

Cisco.com offers a suite of interactive, networked services that let you access Cisco information, networking solutions, services, programs, and resources at any time, from anywhere in the world.

Cisco.com provides a broad range of features and services to help you with these tasks:

To obtain customized information and service, you can self-register on Cisco.com at this URL:

http://www.cisco.com

Technical Assistance Center

The Cisco TAC is available to all customers who need technical assistance with a Cisco product, technology, or solution. Two levels of support are available: the Cisco TAC website and the Cisco TAC Escalation Center. The avenue of support that you choose depends on the priority of the problem and the conditions stated in service contracts, when applicable.

We categorize Cisco TAC inquiries according to urgency:

Cisco TAC Website

You can use the Cisco TAC website to resolve P3 and P4 issues yourself, saving both cost and time. The site provides around-the-clock access to online tools, knowledge bases, and software. To access the Cisco TAC website, go to this URL:

http://www.cisco.com/tac

All customers, partners, and resellers who have a valid Cisco service contract have complete access to the technical support resources on the Cisco TAC website. Some services on the Cisco TAC website require a Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or password, go to this URL to register:

http://tools.cisco.com/RPF/register/register.do

If you are a Cisco.com registered user, and you cannot resolve your technical issues by using the Cisco TAC website, you can open a case online at this URL:

http://www.cisco.com/en/US/support/index.html

If you have Internet access, we recommend that you open P3 and P4 cases through the Cisco TAC website so that you can describe the situation in your own words and attach any necessary files.

Cisco TAC Escalation Center

The Cisco TAC Escalation Center addresses priority level 1 or priority level 2 issues. These classifications are assigned when severe network degradation significantly impacts business operations. When you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC engineer automatically opens a case.

To obtain a directory of toll-free Cisco TAC telephone numbers for your country, go to this URL:

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

Before calling, please check with your network operations center to determine the level of Cisco support services to which your company is entitled: for example, SMARTnet, SMARTnet Onsite, or Network Supported Accounts (NSA). When you call the center, please have available your service agreement number and your product serial number.

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

http://www.cisco.com/en/US/products/products_catalog_links_launch.html

http://www.ciscopress.com

http://www.cisco.com/en/US/about/ac123/ac114/about_cisco_packet_magazine.html

http://business.cisco.com/prod/tree.taf%3fasset_id=44699&public_view=true&kbns=1.html

http://www.cisco.com/en/US/about/ac123/ac147/about_cisco_the_internet_protocol_journal.html

http://www.cisco.com/en/US/learning/le31/learning_recommended_training_list.html


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Posted: Wed Jul 30 09:35:46 PDT 2003
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