Hello All, Sorry, I had mistype in previous message... this is correct: Has somebody any idea how to rewrite the part of the 'To' field (789) the same as the part of header field (123456)..? in other words, how to make the 'user' field of this part of both messages the same? INVITE sip:123456@20.30.40.50 SIP/2.0 To: <sip:789@myserver.com;user=phone> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,. Mike Tkachuk, ph:380-3433-47067 YES ISP, fx:380-3433-47067 Valova 17, mike|a|yes.net.ua Kolomyia, www.yes.net.ua Ukraine 78200 FWD: 66518 23.09.2004 ICQ# 57698805 MSN: mike_tkachuk|a|hotmail.com ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,.