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How do I determine how many route patterns and IP phones CiscoCallManager supports?
In very large IP telephony installations, there might be pre-programmed limits on certain software. However, Cisco CallManager has the flexibility that few other IP Telephony solutions support.
On Cisco CallManager, there is no pre-programmed limit to the number of route patterns you can support on a Cisco CallManager server.
The actual limit is bound only by the available RAM and CPU resources on the server itself. When calculating the route patterns needed, each @ route pattern is actually a macro that expands to route 300 route patterns. The code has been tested with 1,000-plus patterns with satisfatory results.
To install Cisco CallManager, refer to your version of CallManager Release Notes to determine if there are limitations with your hardware.