This document explains the recommended solutions when the Music On Hold
(MoH) unregisters and re-registers with the Cisco Unified Communications
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/5.x/6.x/7.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
The MoH server unregisters and re-registers intermittently with Cisco
Unified Communications Manager, and the
kDeviceMgrRegisterWithCallManagerError: Connection error with
Cisco CallManager error message appears in the event
Event Type: Error
Event Source: Cisco IP Voice Media Streaming App
Event Category: None
Event ID: 3
Time: 8:19:10 AM
Error: kDeviceMgrRegisterWithCallManagerError - Connection error with Cisco
Trace Name: [CFB][220.127.116.11]
App ID: Cisco IP Voice Media Streaming App
Cluster ID: Cisco-123AF0B4BDC-Cluster
Node ID: 18.104.22.168
Explanation: Device manager registered with the specified Cisco CallManager
and got a socket error or disconnect.
Recommended Action: No action is required; device recovery will handle this.
This error message is most likely a result of a problem with keepalives
between the MoH server and the Cisco Unified Communications Mananger.
In order to overcome this issue, complete these steps:
Reboot the Voice Media Streaming Application. Stop and start the IP
Voice Media Streaming Application in the Control Center.
Center for more information on how to start and stop various Cisco
Reset the MoH server.
Refer to the
a Music On Hold Server
On Hold Server Configuration for information on how to reset the MoH
After you upgrade from Cisco CallManager 4.1(3) to Cisco Unified
Communications Manager 6.1(2), the MOH server is not registered with the Cisco
Unified Communications Manager.
This isssue can occur when the Run Flag parameter
under the MoH Server Configuration page is set
as No. Set the Run Flag to
No on the MoH server in order to disable MoH.
In order to resolve this issue, go to the Cisco Unified CM
Administration page and choose Media Resources > Music on Hold
Server and set the Run Flag to Yes.