How do I change the number of rings that occur before my phone forwards to voice mail?
A. You can easily change the number of times that an IP phone rings before it forwards to voice mail or another station. You need to change a service parameter. Complete these steps: • From the Cisco CallManager Administration web pages, choose Service > Service Parameters. • Select Cisco CallManager from the list, and then choose the CallManager service from the list on the left. • Change the parameter that has the title Forward No Answer Timeout. By default, this parameter has a value of 12 seconds. A typical ring cycle is approximately 4 seconds. This is a global parameter, so a change in this value affects the behavior of all phones. Be sure to configure this for all Cisco CallManagers in the cluster.
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