See t_newtran() and t_check_trans() to create/check transaction state for certain requests:

http://www.kamailio.org/docs/modules/3.2.x/modules/tm.html#t_newtran http://www.kamailio.org/docs/modules/3.2.x/modules/tm.html#t_check_trans

There is no method to check if responses are retransmissions - this is handled internally in tm module.

regards Klaus

On 09.05.2012 11:54, Vineet Menon wrote:

Hi,

How do we detect a message as retransmitted message, in a transaction oriented proxy?

Regards,

Vineet Menon

---

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