[SIPForum-discussion] WG: What is MWI ?

[Henning Christiansen]

In SIP, MWI is typically implemented using "event Notifications" according
to RFC 3265.

 

To receive MWI notifications you send out a SUBSCRIBE request with
"message summary" request, and you will hopefully receive a NOTIFY
whenever a new message is available in your voice box. You can then call
this voice box and listen to the recording, delete the message (probably
leading to a new NOTY), etc.

 

This specific application for SUBSCRIBE/NOTIFY is described in RFC 3842.

 

Von: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] Im Auftrag von Khoa Pham
Gesendet: Samstag, 2. Februar 2013 06:25
An: discussion at sipforum.org
Betreff: [SIPForum-discussion] What is MWI ?

 

Hi all,

 

I search google for WMI, and know that 

 

"A message-waiting indicator (MWI) in telephony is a feature that
illuminates an LED on select telephones to notify a telephone user of
waiting voicemail messages on most North American public telephone
networks and PBXs."

 

What is MWI used in SIP ?

 

-- 
Khoa Pham
HCMC University of Science
Faculty of Information Technology

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