Cisco Voice Log Translator 2.7(8) User Guide
Cisco Voice Log Translator User Guide
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Cisco Voice Log Translator User Guide

Cisco Voice Log Translator User Guide

Cisco Voice Log Translator (Cisco VLT) is a troubleshooting tool that reads complex System Diagnostic Interface (SDI) trace log message files from a Cisco Unified Communications Manager and translates them into a user-friendly, English-based format. You can sort, organize, analyze, and interpret messages and display raw or translated message text using offline message files on your system.

Cisco VLT version 2.7(8) provides support for the following features and support:

  • Support for Cisco Unified Communications Manager version 9.0.
  • Support for Windows 7 Operating System.
  • Runs as a standalone application on Linux and Windows systems and as a plug-in in the trace collection tool Cisco Unified Communications Manager Real-Time Monitoring Tool (RTMT) on both Linux and Windows systems.
  • Fully supports trace log messages for these additional protocols:
    • H.323 version 5 (Q.931, H.225, ASN.1)
    • Session Initiation Protocol (SIP)
  • Continues support of SDI trace log file formats from Cisco CallManager version 3.3, Cisco Unified CallManager versions 4.0, 4.1, 5.0, 5.1, and Cisco Unified Communications Manager 6.0, 7.0, 7.1, 8.0, and 9.0.

You can access more information about Cisco VLT, including how to download and install the latest version, in the Cisco VLT Software section. If you require further assistance, send email to:

This document describes how to use Cisco VLT. Primary users include Cisco Systems Engineers, Technical Assistance Center (TAC) Engineers, Channel Partners, and others who perform Cisco Unified Communications Manager administrative tasks or use trace log message files to troubleshoot VoIP network problems.