Am 28.04.2011 18:45, schrieb Danilo Canivel: > Hi, im trying to send the Call ID over the contact name, and over the username /auth. name with no sucess... > > I discover that the sip server my company is using dosent read this fields... only the Remote-Party-ID... so im trying to figure out how to send it with pjsip in siphon project, is there a way to configure it and send it? Additional headers can be added easily - see msg_data parameter of pjsua_call_make_call(): http://www.pjsip.org/pjsip/docs/html/group__PJSUA__LIB__CALL.htm#ga502b0a6449cc5f67517b72df6a88c727 regards klaus