Aastra Telecom 57I C53I manual Sip session timer

Configuration Parameters

Operational, Basic, and Advanced Parameters

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip session timer		Advanced SIP Settings
Session Timer	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	The time, in seconds, that the IP phone uses to send periodic
	re-INVITErequests to keep a session alive. The proxy uses these
	re-INVITErequests to maintain the status' of the connected sessions.
	See RFC4028 for details.
Format	Integer
Default Value	0
Range	Not Applicable
Example	sip session timer: 30

Appendix A

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip T1 timer		Advanced SIP Settings
T1 Timer	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	This timer is a SIP transaction layer timer defined in RFC 3261.
	Timer 1 is an estimate, in milliseconds, of the round-trip time (RTT).
Format	Integer
Default Value	500
Range	Not Applicable
Example	sip T1 timer: 600

41-001160-00, Rev 01 Release 2.0 A-59