Aastra Telecom 53I, 57I CT, 55I manual Sip T2 timer

Configuration Parameters

Operational, Basic, and Advanced Parameters

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip T2 timer		Advanced SIP Settings
T2 Timer	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	This timer is a SIP transaction layer timer defined in RFC 3261.
	Timer 2 represents the amount of time, in milliseconds, a non-INVITE
	server transaction takes to respond to a request.
Format	Integer
Default Value	0
Range	Not Applicable
Example	sip T2 timer: 8

Appendix A

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip transaction timer		Advanced SIP Settings
Transaction Timer	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	The amount of time, in milliseconds that the phone allows the callserver
	(registrar/proxy) to respond to SIP messages that it sends. If the phone
	does not receive a response in the amount of time designated for this
	parameter, the phone assumes the message has timed out.
Format	Integer
Default Value	4000
Range	4000 to 64000
Example	sip transaction timer: 6000

41-001160-00, Release 2.1, Rev 04 A-65