Hi Try: modparam("ims_registrar_pcscf", "is_registered_fallback2ip", 2)
http://www.kamailio.org/docs/modules/devel/modules/ims_registrar_pcscf.html#idp17383820 Use latest kamailio to date (4.4.3) or kamailio master. Regards, Dragos On 19/09/2016 09:11, Owais wrote: > Any ideas? > > > > -- > View this message in context: > http://sip-router.1086192.n5.nabble.com/Kamailio-P-CSCF-error-on-INVITE-tp151614p151896.html > Sent from the Users mailing list archive at Nabble.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 > _______________________________________________ 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