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

Administrator Options

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Advanced SIP Settings

In addition to the basic SIP settings, you can also configure the following advanced SIP parameters. These parameters are configurable via the Aastra Web UI and the configuration files on a global basis only.

Parameter in	Parameters in
Aastra Web UI	Configuration Files	Description
Explicit MWI Subscription	sip explicit mwi subscription	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 0 (disable) or
		1 (enable) in the configuration files or by
		checking the box for this field in the Aastra
		Web UI. Default is disabled.
		For more information, see Chapter 4,
		“Advanced SIP Settings (optional)” on
		page 4-58.
Explicit MWI Subscription	sip explicit mwi subscription	The requested duration, in seconds, before
Period	period	the MWI subscription times out. The phone
		re-subscribes to MWI before the subscription
		period ends.
		For more information, see Chapter 4,
		“Advanced SIP Settings (optional)” on
		page 4-58.
Missed Call Summary	sip missed call summary	Enables or disables the Missed Call Summary
Subscription	subscription	Subscription feature.
		This feature allows missed calls that have
		been redirected by the server, to be
		incremented in the missed calls indicator on
		the phone it was initially directed to. Default is
		disabled.
		For more information about this parameter,
		see Chapter 6, the section, “Missed Call
		Summary Subscription” on page 6-13.

Administrator Options

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