Call is made from SCCP phone to an IVR with prompts, DTMF works. Put call on HOLD, then resume, now DTMF is no longer heard by IVR.
Verizon claims the ACK after HOLD has no SDP so IP=0.0.0.0 therefore no DTMF. I think I see UCM SDP go out with IP and with network-element for DTMF, but not sure. What could cause this problem with DTMF after resuming call ?
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...
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