I use phone1 to dial phone2,when the callee (phone2) answers the call as soon as he hears the first ring bell.He can not head the words I speak in the frist few seconds(two or three second ).But I can hear the callee voice from the start.After these two or three seconds,the voice is normal .I do not understand why this problem took place?There is any parameaters to controll this problem?
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...