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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m working on a project of integration radios into VoIP network. Main task is SIP to Radio intercom using multicast streams.<o:p></o:p></p><p class=MsoNormal>I already have a working solution, based on Cisco E&M and twisted pair WAVE. Since Wave is a little bit costly solution, I want to implement intercom using freeswitch.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Main problem is that I’m not developer and just a network guy and I need help in implementation. I had some experience with multicast steams on Asterisk and I believe that freeswitch is more flexible than asterisk.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>First and most important question is about how is multicast implemented on freeswitch. Here is an example from the samples included with freeswitch:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <extension name="rtp_multicast_page"><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <condition field="destination_number" expression="^pagegroup$|^7243"><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <action application="answer"/><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <action application="esf_page_group"/><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </condition><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </extension><o:p></o:p></span></p><p class=MsoNormal><b><o:p> </o:p></b></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Courier New"'>expression="^pagegroup$|^7243"> - </span></b><span lang=ET style='font-size:10.0pt;font-family:"Courier New"'>what does this expression mean? Does it mean that dialer must be a member of a pagegroup?<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=ET style='font-size:10.0pt;font-family:"Courier New"'>At the beggining I need to setup freeswitch to stream a SIP call, so applications like VLC could listen it.<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=ET>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=ET style='color:#002060'>Aleksei Zjabkin<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='color:#002060'>IT lahendused </span><span style='color:#002060'>\ IT solutions<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='color:#002060'>GSM +372 58055975<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='color:#002060'>-------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='color:#002060'>Telegrupp AS<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='color:#002060'>Tartu mnt. 63, 10115<o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='color:#002060'>Tallinn <o:p></o:p></span></p><p class=MsoNormal><span lang=ET style='color:#002060'>Eesti </span><span style='color:#002060'>\ Estonia<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>