Music On Hold (MOH)

Music On Hold allows callers to hear music while on hold.

CTI Devices do not support Multicast

Audio Source Format

1. Most WAV files are supported
1. 16-bit PCM (stereo/mono)
2. 8-bit CCITT a-law or mu-law (stereo/mono)
3. 48kHz, 32kHz, 16kHz, 8kHz sample rates
2. MP3 format is NOT supported
3. 
   

Resource Selection

        If Phone A puts Phone B on hold, the Audio Source within Phone A's configuration are selected, but Phone B's Media Resource Group is utilized. This optimizes the Media Resource utilization as Phone B will use the resources closest to it.

MOH Audio Sources are selected in the following order:

1. Line
2. Device
3. Common Device Configuration (CDC)
4. Clusterwide Parameters

Media Resource Group Lists (MRGL) are selected in the following order:

1. Device
2. Device Pool
3. System Default
1. System default resources contain any Media Resources not utilized by ANY Media Resource Groups (MRG)
2. Always Unicast

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