Aastra Telecom 57I CT, 55I, 53I manual Advanced SIP Settings, Period

IP Phone Administrator Guide

Operational, Basic, and Advanced Parameters

Appendix A

Advanced SIP Settings

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip explicit mwi subscription		Advanced SIP Settings
Explicit MWI Subscription	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	If the IP phone has a message waiting subscription with the Service
	Provider, a Message 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 following:
	"0" to disable
	"1" to enable
Format	Boolean
Default Value	0
Range	0 (disable)
	1 (enable)
Example	sip explicit mwi subscription: 1

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip explicit mwi subscription		Advanced SIP Settings
period	Configuration Files	aastra.cfg, <mac>.cfg
Explicit MWI Timeout
(in Web UI)
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 - 214748364
Example	sip explicit mwi timeout: 30

A-62 41-001160-00, Release 2.1, Rev 04