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In the Cisco CallManager 4.x, the MediaListExhausted notifications intermittently arrive from the RTMT

Core Issue

In the Cisco CallManager server, a MediaListExhausted notification appears from the Real-Time Monitoring Tool (RTMT). There are no effects on the IP Telephony behavior and Music on Hold (MoH) also works fine, but the notification appears frequently, about five to six times a day. This is the notification:

At 14:19:09 on 11/30/2006 on cluster . Number of MediaListExhausted events exceed 0 within 60 minutes.


The MediaListExhausted notification means that the Cisco CallManager goes through all of the devices in the Media Resource Group and is not able to assign a device to use. This is more of a cosmetic notification unless there is an issue with the MoH or there are some relevant errors in the application event log.

Also, if Cisco CallManager is integrated with the Private Branch Exchange (PBX) and a user dials a number that does not exist on the PBX, an unallocated or unassigned number, this message appears.

In order to stop these messages in the RTMT, choose Alert Menu > Set alert properties. Choose the received alerts and uncheck Enable Alert or choose the alert type, for example, MediaListExhausted. Click next and configure a Threshold in order to trigger the alert only when the number of MediaListExhausted events exceeds a certain number within an hour. This reduces the number of alerts that are received.

In addition, check the MOH server and make sure that Run Flag = Yes. Otherwise, though the MOH service is enabled, the resource is unavailable.

Refer to these documents for more information: