This document explains the recommended workaround for this Music on
Hold (MOH) error message: kRenderFileFailed - Render
file-to-filter graph failure.
Cisco recommends that you have knowledge of Cisco Unified
Communications Manager (CallManager).
The information in this document is based on Cisco Unified
Communications Manager (CallManager) 4.x.
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.
Technical Tips Conventions for more information on document
MOH does not work, and this error message appears:
Event Type: Error
Event Source: Cisco IP Voice Media Streaming App
Event Category: None
Event ID: 3
Time: 11:28:24 AM
Error: kRenderFileFailed - Render file-to-filter graph failure.
Explanation: The COM call to render the audio source file-to-filter
graph failed; audiosource will not play, possibly due to missing audio
source or lack of memory.
Recommended Action: Check to see if the audio source exists.
Reset MOH device; if out of resources, reboot server..
This error message appears due to incorrect configuration in the MOH
In order to resolve this issue, ensure that the correct IP address for
the MOH server is entered under: Service > Service parameters >
IP voice media streaming App > Default TFTP MOH IP Address.