[cisco-voip] Interoperability, SIP to SCCP on CUCME

[Jonathan Charles]

I have a Cisco UC 540 and we are registering SPA504 and SPA525 phones on the
CCME side. We also have a few Cisco WIP320 phones.

I have the WIP320 phones registered via SIP, but calls to the SPA phones are
having serious audio setup problems (no audio, one way audio, sometimes
two-way audio....)

The calls are G711U all the way thru...

Any ideas on what else we should check?



Jonathan
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