Timers

Timers	Configure	Descriptions
T302	CCMADMIN > Service Parameters > CallManager	Default 15s. (Service Parameter TimerT302_msec) to indicate end of dialing, but do not set it lower than 4 seconds to prevent premature transmission of the call before the user is finished dialing.
Auto Answer	CCMADMIN > Service Parameters > CallManager	Default 1s
SIP Reregister Timer	CCMADMIN > Device Settings > SIP Profile > Timer Register Delta CCMADMIN > Service Parameters > CallManager > SIP Station Keep Alive Interval	SIP Station Keep Alive Interval (default 120s) minus Timer Register delta (default 5s)