The following guidelines apply to Cisco Unified CallManager Release 4.2:
•Within a cluster, you may enable a maximum of 8 servers with the Cisco Unified CallManager Service. Other servers may be used for more dedicated functions such as TFTP, publisher, music on hold, and so forth.
•You can configure a maximum of 800 CTI connections or associations per standard server, or a maximum of 3200 per cluster if they are equally balanced among the servers.
•You can configure a maximum of 2500 CTI connections or associations per high-performance server, or a maximum 10,000 per cluster if they are equally balanced among the servers.
•Each cluster can support a maximum of 30,000 SCCP phones.
•Each cluster can support a maximum of 600 H.323 devices (gateways, trunks, and clients), digital MGCP devices, and SIP trunks
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...