Message Waiting Indicator on Cisco 7960 in SIP mode

Posted on 2006-05-20
Last Modified: 2012-05-05
I have a Cisco 7960 phone set up in SIP mode, connected to the Sipgate VoIP service.  Does anyone know if it's possible to activate the Message Waiting Indicator on the phone to indicate the new voice mail messages?  Sipgate does support this feature, but I have no idea how to activate it on the phone.

I understand you can set it up in CallManager mode, but I can't seem to find any info when it's in SIP mode.

Any help much appreciated, thanks.
Question by:danielgallo
    LVL 36

    Accepted Solution

    Message waiting is something that is normally just configured on the server and if the phone supports it then it should just work.

    Earlier versions of the Cisco SIP software did not fully support message waiting (around 2002 sometime). Any recent version (version 6.0 and upwards) should support it without any problems.
    LVL 3

    Assisted Solution

    I agree with grblades but the only thing you have to know is that a separate Directory Number must be configured on the server side to cover the SMDS signalling and MWI ON / OFF.

    Therefore ask you SIP Server operator to let you know whether SMDS is operational on their side and you should receive it.

    Also if you know the MWI ON DN you can call it and check whether the light goes on or off.

    Last but not least check the firewall and see if it is not filtering the MWI TCP Port.

    LVL 36

    Expert Comment

    If you are using standard SIP then there is no separate port for the MWI indicator. It is turned on and off via a standard SIP NOTIFY message.

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