We have had an issue occur where external calls would drop or if picked up, would not return audio. It began sporadically and began to happen within an hour to most all of the IP Phones. I used sniffer to track one call which indicated that the call was going to the gateway but not being returned. After recycling the voice gateway, all external phone calls resumed normally. Any ideas on what caused this issue? And if so, is it the callmanager or the voice gateway with the problem.
Seems like the DSP error was the issue. We are still monitoring. The router began showing DSP errors as calls were being connected at which time they would drop or go through without audio. Turns out our IOS needed to be upgraded. 12.2(7) or high is said to have the fix. Thanks for all the input.
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...