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(9) provides support for the following
features and support:
Support for Cisco Unified Communications Manager version 10.0(1).
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, 9.0, and 10.0(1).
Support for Windows 8 Operating System (32-bt and 64-bit)
Support for Windows 8.1 Operating System (32 bit and 64-bit)
Support for Windows Server 2012 R2 Operating System (64-bit)
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