Aastra Telecom 9112 I User Manual

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New Features in 1.4.1
41-001024-00, Rev 09, Release 1.4.1
11
SIP IP Phone Models 480i, 480i CT, 9112i, 9133i Release Notes
Explicit Message Waiting Indicator (MWI) Subscription Period
The IP phones support a new feature for MWI that allows the administrator to set 
a requested duration, in seconds, before an explicit MWI subscription times out. 
The phone re-subscribes to MWI before the subscription period ends. 
The new parameter you can configure is “sip explicit mwi subscription period”. 
You can configure this parameter using the configuration files or the Aastra Web 
UI.
Configuring via the Configuration Files
You configure the explicit MWI timeout using the following parameter in the 
configuration files.
Parameter – 
sip explicit mwi subscription 
period
Explicit MWI Timeout
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files aastra.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 - 214748364
Example
sip explicit mwi timeout: 30