Preface

Organization

Organization

Table 1 provides an overview of the organization of this guide.

Table 1 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323) Organization

Chapter

Description

 

 

Chapter 1, “Cisco Analog Telephone Adaptor Overview”

Provides descriptions of hardware and software features of

 

the Cisco ATA Analog Telephone Adaptor along with a brief

 

overview of the H.323 protocol.

 

 

Chapter 2, “Installing the Cisco ATA”

Provides information about installing the Cisco ATA.

 

 

Chapter 3, “Configuring the Cisco ATA for H.323”

Provides information about configuring the Cisco ATA and

 

the various methods for configuration.

 

 

Chapter 4, “Basic and Additional H.323 Services”

Provides information about H.323 services that the

 

Cisco ATA supports.

 

 

Chapter 5, “Parameters and Defaults”

Provides information on all parameters and defaults that you

 

can use to configure the Cisco ATA.

 

 

Chapter 6, “Call Commands”

Provides the Cisco ATA call commands for H.323.

 

 

Chapter 7, “Configuring and Debugging Fax Services”

Provides instructions for configuring both ports of the

 

Cisco ATA to support fax transmission.

 

 

Chapter 8, “Upgrading the Cisco ATA Signaling Image”

Provides instructions for remotely upgrading Cisco ATA

 

software.

 

 

Chapter 9, “Troubleshooting”

Provides basic testing and troubleshooting procedures for the

 

Cisco ATA.

 

 

Appendix A, “Using H.323 Supplementary Services”

Provides end-user information about pre-call and mid-call

 

services.

 

 

Appendix B, “Voice Menu Codes”

Provides a quick-reference list of the voice configuration

 

menu options for the Cisco ATA.

 

 

Appendix C, “Cisco ATA Specifications”

Provides physical specifications for the Cisco ATA.

 

 

Appendix D, “H.323 Signaling”

Provides Cisco ATA call flows for H.323 scenarios.

 

 

Glossary

Provides definitions of commonly used terms.

 

 

Index

Provides reference information.

 

 

Conventions

This document uses the following conventions:

Alternative keywords are grouped in braces and separated by vertical bars (for example, {x y z}).

Arguments for which you supply values are in italic font.

Commands and keywords are in boldface font.

Elements in square brackets ([ ]) are optional.

Information you must enter is in boldface screen font.

Optional alternative keywords are grouped in brackets and separated by vertical bars (for example, [x y z]).

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Cisco Systems ATA 188 manual Organization, Conventions, Chapter Description, Xii

ATA 188 specifications

The Cisco Systems ATA 188 is a versatile Analog Telephone Adapter designed to facilitate the integration of traditional telephone systems with Voice over Internet Protocol (VoIP) networks. This device has been key in bridging the gap between legacy telephony and modern IP-based communication, allowing users to leverage their existing analog phones while enjoying the benefits of digital connectivity.

One of the main features of the ATA 188 is its ability to connect regular analog phones to a VoIP network, enabling users to make and receive calls over the internet. This significantly reduces calling costs, especially for long-distance and international calls. The ATA 188 supports two phone lines, allowing simultaneous voice calls. This dual-line capability makes it a suitable choice for small businesses or home offices that require multiple lines without the need for extensive infrastructure.

The device is equipped with various technologies that enhance its functionality. It supports the Session Initiation Protocol (SIP) and H.323, making it compatible with a wide range of VoIP service providers. Additionally, the ATA 188 features Quality of Service (QoS) settings, which prioritize voice traffic over the internet, ensuring clear voice quality without interruptions or delays. This is essential for maintaining a professional communication experience, especially in business environments.

Another characteristic of the ATA 188 is its user-friendly configuration interface. It allows users to easily set up and manage their devices through a web-based portal. The configuration process is straightforward, with options to adjust settings such as codec selection, call features including call waiting, and call forwarding functionalities.

Security is also a priority for the ATA 188, as it provides robust protocols to protect call data. The device supports Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS) to encrypt voice traffic and manage signaling securely. This ensures that sensitive conversations remain confidential.

Overall, the Cisco Systems ATA 188 is a reliable and efficient solution for users looking to transition from traditional telephony to VoIP. Its dual-line capacity, compatibility with multiple VoIP standards, user-friendly configuration, and built-in security features make it a valuable asset for both personal and professional communication solutions. In an ever-evolving telecommunications landscape, the ATA 188 remains a relevant and practical choice for integrating legacy telephony with modern internet-based services.