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Cisco Unified Communications Manager (CallManager)

Cisco CallManager 3.0 Installation Note: Software-based MTP and Conference Bridge

Document ID: 46269



This document describes why Media Termination Point (MTP) and Conference Bridge applications appear as being in an "Unspecified Error" state after installing Cisco CallManager 3.0.

The Software based version of MTP and Conference Bridge in Cisco CallManager 3.0 need the IP Voice Media Streaming Application to be running. This application is not installed by default, it needs to be explicitly included during the installation of Cisco CallManager, or installed afterwards. If the media streaming application is not included at the moment of installation, the subsequent installation of a Software MTP or Conference Bridge will appear in the Control Center, but will appear in an "Unspecified Error" state. This is due to the media streaming application not being installed as a service.

To install the media streaming application as a service after the initial installation, use the following command at the command prompt under the C:\Program Files\Cisco\Bin directory:

ipvmsapp -Service 


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Updated: Feb 02, 2006 Document ID: 46269