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

Joshua Colp jcolp at digium.com
Tue Jul 15 07:40:18 CDT 2014

Olli Heiskanen wrote:
> Hello all,


> 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...


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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