Hello, there is a rather new lightweight mechanism to detect retransmissions without creating the transaction before relaying. It is already part of 4.2 and in the default configuration file -- see t_precheck_trans() from tmx module.
Cheers, Daniel On 30/04/15 10:31, Mickael Marrache wrote: > Hi, > > I think one would like to create transaction ASAP to absorb retransmissions. > In some scenarios, processing a message can take time and retransmissions > are likely to happen, and you don't want the retransmissions to be processed > again (which can lead to errors in some scenarios). t_relay is generally > called at the end for relaying the message. > > Mickael > > -----Original Message----- > From: sr-users [mailto:sr-users-boun...@lists.sip-router.org] On Behalf Of > Alex Balashov > Sent: Thursday, April 30, 2015 11:26 AM > To: Dirk Teurlings - SIGNET B.V. > Subject: Re: [SR-Users] Transaction good practices with t_relay t_newtran > and t_release > > Dirk, > > Why do you need to create new transactions yourself with t_newtran()? > Nonexotic applications of Kamailio usually don't require this. A transaction > is automatically created after t_relay() is called, and its lifecycle is > automatically managed - including destruction - based on the replies > received to the transaction-forming request, and based on RFC 3261 rules in > cases of timeouts. > > -- > Alex Balashov | Principal | Evariste Systems LLC > 303 Perimeter Center North, Suite 300 > Atlanta, GA 30346 > United States > > Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct) > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ > > Sent from my BlackBerry. > > > _______________________________________________ > 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 > > > _______________________________________________ > 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 World Conference, May 27-29, 2015 Berlin, Germany - http://www.kamailioworld.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
