Cisco officially does not support Callmanagers on non-MCS servers. You may install the software by tweaking the installation process (either by modifying boot process, or by applying the registry hack), but it won't be supported by Cisco. I'm not sure, if installing legaly purchased software on non-approved hardware will break the license agreement.
Theoretically the minimum hardware for Callmanager 4 was in the 7815 line - P4/3GHz, 1Gb Ram, 80Gb IDE HDD. But these servers already announced EOL. MCS 7825 are still P4 with SCSI or SATA HDDs, and 1Gb RAM. So, it could be the minimum. However you may try to install it on P3 as well.
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...