You probably want to try firmware version 1.4.4ES75 which contains the fix for this DHCP bug where the phone does not properly handle DHCP lease times greater than 7 days, https://tools.cisco.com/bugsearch/bug/CSCtr56885. In order to get this firmware version please open a TAC case and reference this defect.
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...