Aastra Telecom 9480i CT Series User Manual

41-001160-03, Rev 00, Releaes 2.4

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Administrator Options

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.

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, 

 on 

.

Explicit MWI Subscription 
Period

sip explicit mwi subscription 
period

The requested duration, in seconds, before 
the MWI subscription times out. The phone 
re-subscribes to MWI before the subscription 
period ends.

For more information, see Chapter 4, 

 on 

.

Missed Call Summary 
Subscription

(Global and Per-Line)

sip missed call summary 
subscription
(global)

sip lineN missed call 
summary subscription
(per-line)

Enables or disables the Missed Call Summary 
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, 

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