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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><div><div><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dear all,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>first of all I need to apologize that I was not able to find information about this issue although I’m sure that I’m not the first one complaining!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The caller is sending an INVITE via OpenSIPS and rtpproxy_offer() is executed, callee answers with REPLY 180 or REPLY 183 (with SDP) and rtpproxy_answer() is made. In this status it should be ok that the rtp stream from callee to caller is transferred via the rtpproxy (e.g. for announcements), but I can see that rtp stream from caller to callee is transferred too!!! This means that there can be a conversation without receiving the 200OK and what is the real problem: that means (at least for me) they can talk to each other without any charging !! A timer will stop the conversion after the a while, but this can take time.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>How can I overcome this problem? How can prevent RTP to be send to the callee before REPLY 200 is received?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I can’t find any help in the RTPproxy protocol <a href="http://www.b2bua.org/wiki/RTPproxy/Protocol">http://www.b2bua.org/wiki/RTPproxy/Protocol</a>, nor in the rtpproxy module description in OpenSIPS.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for your ideas, and best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>&nbsp; Marco<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p></div></div></div></body></html>