Hi,We use UAC module to modify FROM header (adding org tag) in the initial INVITE. The far end send us reinvite after 15 min by replacing FROM and TO field content. Therefore, otg tag will apprear in TO header in the reinvite. Kamilio ver 3.3.7 does not handle otg tag in the TO header. However, Kamilio ver 3.3.2 is working fine and can forward the TO field with otg tag without adding special character. Thanks,ASTo: sr-users(a)lists.sip-router.org From: miconda(a)gmail.com Date: Fri, 20 May 2016 16:22:42 +0200 Subject: Re: [SR-Users] extra characters in re-invite "TO" field Hello, are you using uac module to replace the to/from header for initial invite? Cheers, Daniel On 20/05/16 15:15, Al S wrote: Hi, Kamailio adds extra characters in the re-invite "TO" field during session timer. There is no header manipulation in our route[WITHINDLG] block. Re-INVITE received by Kamailio To: <sip:8131111111@?.?.?.?;otg=1>;tag=1c1048632956 Re-INVITE forwarded by Kamailio To: <sip:8132222222@?.?.?.?;T\033\023Z\f1>;tag=1c1048632956 Your help would be greatly appreciated. Thanks, AS _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users