Aastra Telecom 41-001343-02 manual Advanced SIP Settings, To disable, To enable, 86400

	Operational, Basic, and Advanced Parameters
Advanced SIP Settings
Parameter –	Configuration Files
sip explicit mwi subscription	aastra.cfg, <model>.cfg, <mac>.cfg
Description	If the IP phone has a message waiting subscription with the Service Provider, a Mes-
	sage Waiting Indicator (MWI) (LED or display icon) tells the user there is a message on
	the IP Phone. You can enable and disable MWI by setting this parameter to the follow-
	ing:
	"0" to disable
	"1" to enable
Format	Boolean
Default Value	0
Range	0 (disable)
	1 (enable)
Example	sip explicit mwi subscription: 1
Parameter –	Configuration Files
sip explicit mwi subscription period	aastra.cfg, <model>.cfg, <mac>.cfg
Description	The requested duration, in seconds, before the MWI subscription times out. The
	phone re-subscribes to MWI before the subscription period ends.
Format	Integer
Default Value	86400
Range	30 - 2147483647
Example	sip explicit mwi subscription period: 30
Parameter –	Configuration Files
sip send mac	aastra.cfg, <model>.cfg, <mac>.cfg
Description	Adds an "Aastra-Mac:" header to the SIP REGISTER messages sent from the phone to
	the call server, where the value is the MAC address of the phone.
Format	Boolean
Default Value	0 (disabled)
Range	0 (disabled)
	1 (enabled)
Example	sip send mac: 1
Parameter –	Configuration Files
sip send line	aastra.cfg, <model>.cfg, <mac>.cfg
Description	Adds an "Aastra-Line:" header to the SIP REGISTER messages sent from the phone to
	the call server, where the value is the line number that is being registered.
Format	Boolean
Default Value	0 (disabled)
Range	0 (disabled)
	1 (enabled)
Example	sip send line: 1

41-001343-02 REV04 – 05.2014 A-82