I have a customer ready to make the jump to UC 10, but there are two issues that could pose a problem:
Cisco Unified CM no longer supports a USB sound card for fixed live audio source connection to an MoH server due to lack of USB port support for MoH when Unified CM nodes are virtualized.
CTI devices do not support the multicast Music On Hold feature. If a CTI device is configured with a multicast MOH device in the media resource group list of the CTI device, call control issues may result. CTI devices do not support multicast media streaming.
They are currently running CUCM 9 and have an old MCS server with the USB MOH adapter plugged into it, connected to an XM radio device.
I have attempted adding a USB device to CUCM through VMware to use with the MOH adapter but the sound quality is horrible.
There are devices that create a multicast stream from any audio source, but they want to use it as an MOH source for UCCX applications and multicast is not supported for this purpose. I heard a rumor that there may be IOS support for unicast MOH streaming which would solve this issue but I have not seen any indication that it's true.
Is there a way to use fixed MOH sources for UCCX applications in UC 10?
EDIT: After talking to my local Cisco account team, it appears that there is no official solution for providing live stream unicast MOH to UCCX in UC10. The official solution for live stream multicast MOH is an ISR router with an E&M or FXO port. Any unofficial solutions? :)
The old MCS can be used for dedicated MOH streaming.
However in the VM, I am afraid, there are no solutions. Since sound quality issues on VM can be fixed in windows based VMs only, by the help of installing VMware tools. However, since CUCM is a linux based appliance, also there's no root access to make any changes.
Just thinking out loud, have you tried making a separate lan segment for the UC10 VM ? That would priortize its traffic out through the UCS server and that should make some difference in the sound quality.
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