Hello, during the early state of a dialog (like trying, ringing, ...), there can be many outgoing branches of the initial INVITE (think about a call going to a user which has two sip phones registered for same account). It's the reason dialog waits to see which branch is responding from callee side.
Also, it's not mandatory that all 1xx responses have a Contact header. Anyhow, you can implement your own logic of storing dialog attributes in a custom database table using sqlops module, doing insert/update/delete at various events: initial invite, receiving a 1xx response as well as for 2xx and 3xx+, cancel, bye ... Cheers, Daniel On 09/11/16 05:51, Aqs Younas wrote: > > Greetings list, > I am using dialog aur dispatcher modules for calls distribution across > multiple gateways. I am able to get number of active dialogs against a > gateway but could not get early dialogs going on particular gateway. > > Dialog information is inserted in database only for state 4. Also, I > tried to use dlg_list command to get early dialogs. I see call > statistics but "callee_contact::" is empty untill call is answered. > > for ringing I am getting this. > > root@debian:/usr/local/kamailio/sbin# ./kamctl fifo dlg_list > dialog:: hash=3443:9422 > state:: 2 > ref_count:: 1 > timestart:: 0 > timeout:: 0 > callid:: GGjl58SQ32LXQB1dV2-CBA.. > from_uri:: sip:1015@192.168.10.39:5060;transport=UDP > from_tag:: 652ee907 > caller_contact:: sip:1015@192.168.10.41:55842;transport=UDP > caller_cseq:: 1 > caller_route_set:: > caller_bind_addr:: udp:192.168.10.39:5060 > <http://192.168.10.39:5060> > callee_bind_addr:: > to_uri:: sip:1010@192.168.10.39:5060;transport=UDP > to_tag:: > callee_contact:: > callee_cseq:: > callee_route_set:: > > callee_contact:: is empty. > > Is there any way to get early dialog info againts a gateway.? Or any > way to insert early dialog into database with callee_contact not empty? > > Best Regards, > Aqs Younas > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio Advanced Training, Berlin, Nov 28-30, 2016 - http://www.asipto.com
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