Troubleshooting Guide

ManualsBrandsCisco ManualsIP phonesCisco CallManager Backup and Restore System Utility (BARS)

VT Advantage: Troubleshoot Video

Problems with Traces

Document ID: 50345

Contents

Introduction

Prerequisites

Requirements

Components Used

Conventions

How to View and Understand CAST Traces

View the CAST Trace

The CAST Viewer Dialog Box

Understand CAST Messages

NetPro Discussion Forums - Featured Conversations

Related Information

Introduction

If your initial efforts to troubleshoot are not successful, you could be required to use traces. This allows

you to analyze what component has failed with Cisco VT Advantage. This document discusses the use

of trace tools provided with Cisco VT Advantage and how to understand them.

Prerequisites

Requirements

Readers of this document should have knowledge of these topics:



A comfortable understanding of how to read and interpret trace output from the Cisco

CallManager and Cisco VT Advantage

Components Used

The information in this document is based on these software and hardware versions:



Cisco VT Advantage used with Microsoft Windows 2000 and Windows

Page

Cisco

VT Advantage: Troubleshoot Video Problems with Traces

11/17/2005

http://www.cisco.com/warp/customer/788/AVVID/trace_vt.html

Summary of content (7 pages)

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Cisco - VT Advantage: Troubleshoot Video Problems with Traces Page 1 of 7 VT Advantage: Troubleshoot Video Problems with Traces Document ID: 50345 Contents Introduction Prerequisites Requirements Components Used Conventions How to View and Understand CAST Traces View the CAST Trace The CAST Viewer Dialog Box Understand CAST Messages NetPro Discussion Forums - Featured Conversations Related Information Introduction If your initial efforts to troubleshoot are not successful, you could be required to use t
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Cisco - VT Advantage: Troubleshoot Video Problems with Traces Page 2 of 7 The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command. Conventions For more information on document conventions, refer to the Cisco Technical Tips Conventions.
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Cisco - VT Advantage: Troubleshoot Video Problems with Traces Page 3 of 7 The CAST Viewer Dialog Box If you press the CAST Viewer button, a dialog box appears. You can use this box in order to view what Cisco CallManager sends. Figure 2 is an example of the CAST Viewer dialog box you see. Figure 2 – CAST Viewer Dialog Box http://www.cisco.com/warp/customer/788/AVVID/trace_vt.
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Cisco - VT Advantage: Troubleshoot Video Problems with Traces Page 4 of 7 There is a great deal of information in this dialog box. However, in order to track your video call, you really only need to examine the trace messages. Here is some information to help you troubleshoot your video problem with the CAST Viewer dialog box: On the right-hand side of the dialog box, you see a list of messages that are exchanged between Cisco VT Advantage and the Cisco CallManager.
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Cisco - VT Advantage: Troubleshoot Video Problems with Traces Page 5 of 7 Understand CAST Messages If video was not enabled with your call, look at the CAST Viewer first. This example has a sequence of station information messages, but no commands to send or receive multimedia data.
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Cisco - VT Advantage: Troubleshoot Video Problems with Traces Page 6 of 7 NetPro Discussion Forums - Featured Conversations for Voice Service Providers: Voice over IP interesting problem with IVR application - Nov 16, 2005 Question:Channel Sync with PBX and Reset Channel on Gateway - Nov 16, 2005 2431 IAD - dropped calls when using some features - Nov 16, 2005 sip prxoy & CCM 4.1 issue - Nov 16, 2005 Strange Call process such as "Ping-Pong" between gateway and PBX.
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Cisco - VT Advantage: Troubleshoot Video Problems with Traces Page 7 of 7 Related Information Voice Technology Support Voice and IP Communications Product Support Recommended Reading: Troubleshooting Cisco IP Telephony Technical Support - Cisco Systems All contents are Copyright © 1992-2005 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Updated: Jul 21, 2005 http://www.cisco.com/warp/customer/788/AVVID/trace_vt.