Aastra Telecom 57I CT, 55I, 53I manual Sip registration renewal timer

IP Phone Administrator Guide

Operational, Basic, and Advanced Parameters

Appendix A

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip registration renewal timer		Advanced SIP Settings
Registration Renewal Timer	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	The length of time, in seconds, prior to expiration, that the phone renews
	registrations.
	For example, if the value is set to 20, then 20 seconds before the
	registration is due to expire, a new REGISTER message is sent to the
	registrar to renew the registration.
Format	Integer
Default Value	15
Range	0 to 214748364
	The value set for this parameter should be between 0 and the value set
	for the registration period.
Example	sip registration renewal timer: 10

Parameter –	Aastra Web UI	Advanced Settings->Global SIP
sip blf subscription period		->Advanced SIP Settings
BLF Subscription Period	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	Specifies the time period, in seconds, that the IP phone resubscribes the
	BLF subscription service after a software/firmware upgrade or after a
	reboot of the IP phone.
Format	Integer
Default Value	3600
Range	120 (2 minutes is the minimum value)
Example	sip blf subscription period: 2000

A-68 41-001160-00, Release 2.1, Rev 04