Indeed, $uac_req is a powerful facility for the construction of, among other things, NOTIFY messages. We use it to great effect. -- Sent from mobile. Apologies for brevity and errors. -----Original Message----- From: YAS0 CANER &lt;caner_yaso(a)hotmail.com&gt; To: "Kamailio (SER) - Users Mailing List" &lt;sr-users(a)lists.kamailio.org&gt; Sent: Wed, 31 Oct 2018 1:47 AM Subject: Re: [SR-Users] generate and forward a NOTIFY message Hi I think you can do it manually with uac module. In addition pua_reginfo support some kind of things. Good luck iPhone’umdan gönderildi AL S <alirsm2@outlook.com<mailto:alirsm2@outlook.com>> şunları yazdı (31 Eki 2018 02:36): Hi, I was wondering if Kamailio can generate and forward a NOTIFY message upon receiving an INVITE. Thanks, AL _______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users