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,