The MoH stream received by endpoint devices (phones/gateway) is determined by the configured User/Network Hold Audio source on the endpoint placing the call on hold, so you can vary this configured setting to change up the music people are hearing when on hold. However, this is a manual process and isn't really random.
Your best bet is to use the live/fixed audio source (soure #51) which allows you to stream music from the MoH server's sound card. You could then randomize the music you are feeding into the sound card either by playing CD's or a radio station feed. Make sure you configure "51 - Fixed Audio Source" in the User/Network Hold Audio Source field for all devices (or for all device pools).
NOTE: Broadcasting copyrighted CD music or radio station feeds without permission is illegal. You should check with your legal department to understand the implications of broadcasting copyrighted material.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...