SIP IP Phone Models 480i, 480i CT, 9112i, 9133i Release Notes

New Features in 1.4.1

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

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

 

 

 

41-001024-00, Rev 09, Release 1.4.1

11

Page 15
Image 15
Aastra Telecom 9133 I, 9112 I, 480I CT manual Explicit Message Waiting Indicator MWI Subscription Period, Range Example