[asterisk-users] Extra REGISTER messages sent by Asterisk when subscribe for MWI is defined in zoiper

Olli Heiskanen ohjelmistoarkkitehti at gmail.com
Tue Jul 15 07:53:12 CDT 2014


Thanks for your response, I actually verified that the Zoiper setting is
not the reason for Asterisk to start sending REGISTERs, it only looked like
it as I checked the Kamailio output before Asterisk sent the first REGISTER
to Kamailio, right after I had played with that setting. (sorry, my bad!)

However, _something_ is causing these REGISTERs, here's an example of a
REGISTER message sent from Asterisk to Kamailio:

REGISTER sip:testers.com SIP/2.0
        Via: SIP/2.0/UDP my_ip:5070;branch=z9hG4bK7477f754;rport
        Max-Forwards: 70
        From: <sip:771 at my_ip>;tag=as7a88c4c6
        To: <sip:771 at my_ip>
        Call-ID: 3e946958322b1e2d6bfa564d46bf8e00 at testers.com
        CSeq: 121 REGISTER
        User-Agent: Asterisk PBX
        Expires: 120
        Contact: <sip:771 at>
        Content-Length: 0

Is there any other reason - other than client settings - why this would


2014-07-15 15:40 GMT+03:00 Joshua Colp <jcolp at digium.com>:

> Olli Heiskanen wrote:
>> Hello all,
> Bonjour,
>  I have an Asterisk installation with Kamailio using realtime
>> integration. I have gotten my clients to register, but there is
>> something odd about the sip message flow with some of my clients. My
>> clients are Zoiper and Asterisk is 11.10.2.
>> When I set 'Subscribe to MWI' value to 'both', after a normal,
>> successful registration Asterisk begins to send REGISTER messages to
>> Kamailio every 105 seconds. Kamailio responds with 200 OK. If I set the
>> value to 'disabled', Asterisk does not send these frequent REGISTER
>> messages. Probably due to these REGISTERs Kamailio sees 2 AORs for the
>> account for those clients whose 'Subscribe to MWI' setting is defined as
>> 'both'.
> Can you provide a link to a sip debug log of this occurring? It sounds
> extremely weird and I'm not really sure how chan_sip would be doing such a
> thing...
> Cheers,
> --
> Joshua Colp
> Digium, Inc. | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
> --
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