[Serusers] Message Waiting Indicator

[Bill Zhang]

Jan and others,

Grandstream does support MWI, in asynchrinize way, we accept the MWI message
via Notify, and will play stuttered sound as well as flashing the LCD
background.

We will be supporting synchrinize MWI with subscribe.

The MWI Notify message format is base on draft-ietf-sipping-mwi-02.txt,
which now is RFC 3265.

Hope this helps,

Bill

----- Original Message -----
From: "Jan Janak" <jan at iptel.org>
To: "Josh Newman" <josh at platformexperts.com>
Cc: <serusers at lists.iptel.org>; <wzhang at grandstream.com>
Sent: Sunday, October 05, 2003 2:24 AM
Subject: Re: [Serusers] Message Waiting Indicator


> Hello,
>
> serctl utility can send a NOTIFY message to Cisco phones that will
> restart them.
>
> You could send MWI message in the same way, the question is how such a
> message should look like.
>
> (I CCed Bill Zhang of grandstream). Bill, is it possible to do something
> like that with your phones ?
>
>  Jan.
>
> On 04-10 23:13, Josh Newman wrote:
> > Does anyone know how I can send from ser a NOTIFY (or is perhaps INFO)
> > message to a Cisco ATA 186 or other UA to turn on/off the message
> > waiting indicator for voicemail.  The Cisco ATA is capable of playing a
> > stuttered dial tone to indicate voicemail but I cannot find any
> > documentation on how to toggle this tone on/off from the proxy.  I also
> > have other sip phones like the Grandstream where I would like to signal
> > the MWI to it as well.  Does anyone know how this can be done?  I assume
> > via the ser_fifo, but what kind of message and what should it look like?
> >
> > -- Josh
>
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>