Downloading Tcl Scripts from

Tcl scripts are available in several locations on, depending on the application. You can find most Tcl applications by searching for "tclware." The notable exceptions are the AA and B-ACD Tcl scripts, which you can find in the CallManager Express/SRST software download section of

It can be difficult to find the CME and SRST scripts because they are handled differently on The CME AA and B-ACD scripts are available as individual downloads in zip and tar formats. The B-ACD script is also contained within some of the CME bundles. The SRST AA script is contained in a zip file called This file is described as optional files for use with SRST 2.0. "Optional files" are also available for SRST 3.0 and SRST 3.3, but they do not include the AA Tcl script. The SRST 2.0 version of the AA script currently works with all available versions of SRST.

One of the most common problems with the AA script is using the wrong version. This is easy to do because only the CME script is labeled as an AA script, and the SRST AA script is not clearly labeled. If you use the CME version on an SRST router, the application loads and even answers the call. However, the caller does not hear prompts even though debugs indicate that the prompts are being played.

Part I: Voice Gateways and Gatekeepers

Gateways and Gatekeepers

Part II: Gateways

Media Gateway Control Protocol


Session Initiation Protocol

Circuit Options

Connecting to the PSTN

Connecting to PBXs

Connecting to an IP WAN

Dial Plans

Digit Manipulation

Influencing Path Selection

Configuring Class of Restrictions

SRST and MGCP Gateway Fallback

DSP Resources

Using Tcl Scripts and VoiceXML

Part III: Gatekeepers

Deploying Gatekeepers

Gatekeeper Configuration

Part IV: IP-to-IP Gateways

Cisco Multiservice IP-to-IP Gateway

Appendix A. Answers to Chapter-Ending Review Questions


Cisco Voice Gateways and Gatekeepers
Cisco Voice Gateways and Gatekeepers
ISBN: 158705258X
EAN: 2147483647
Year: 2004
Pages: 218 © 2008-2020.
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