Hello, On 19/06/15 12:14, Muhammad Shahzad wrote: > Hi, > > Lasting night i was doing some tests and identified a strange behavior > from dialog module. I am using Kamailio v4.3.0 rev. c6aa95. > > I basically wanted to identify if an incoming sequential ACK (from > caller for an answered call) or a BYE (from callee who wants to hangup > the call) belong to an existing dialog. > > First I tried to use dialog profiles as they were already enabled in > my kamailio.cfg for every call. Calling the function "is_in_profile" > after loose_route in WITHINDLG route, does not works for ACK, but > works for BYE. > > Then I added dialog flags to initial INVITE (using function > "dlg_setflag") and check them for ACK and BYE after loose_route (using > "dlg_isflagset" method), i have the same behavior. They worked/matched > only for BYE, not for ACK. > > Lastly I set dialog variables (e.g. dlg_var(my_call) = "1") in initial > INVITE and checked for them for ACK and BYE requests after > loose_route. Only they worked perfectly, i.e. i can match them for > both incoming ACK and BYE requests. > > Is this correct and expected behavior? Why dialog profile and flags do > not match for a dialog in unconfirmed state (i.e. ACK from caller > after successful call answer)? They only work for confirmed dialogs > (e.g. BYE from callee).On the other hand, dialog variables seems to > work everywhere (i.e. all sequential requests). > open an issue on the tracker at github project, because the dlg flags should be visible always for requests belonging to the same dialog. I will investigate when I get a bit of time, having it on traker makes sure it is not forgotten.
Cheers, Daniel -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Book: SIP Routing With Kamailio - http://www.asipto.com _______________________________________________ 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
