<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB 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>We've got a client with a Polycom IP331 on Virgin Media behind a VMDG280 Router.<o:p></o:p></p><p class=MsoNormal>Asterisk is in a data centre with a public IP.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>According to the link below, there seems to be a fault with the router that blocks all SIP but the client doesn't want to change it.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>http://community.virginmedia.com/t5/Up-to-30Mb-Setup-Equipment/vmdg280-problems-with-VoiP-SIP/td-p/174783<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Looking at the SIP DEBUG on the server, Asterisk receives the packets from the IP331, but the Polycom doesn't receive anything back from Asterisk.<o:p></o:p></p><p class=MsoNormal>Port forwarding doesnt seem to help and theres no SIP ALG options on the webadmin of the router.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Has anyone successfully connected a SIP endpoint (Polycom IP331) with Asterisk on Virgin Media?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Kind regards,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dan Journo<o:p></o:p></p><p class=MsoNormal>Kesher Communications (UK)<o:p></o:p></p><p class=MsoNormal><a href="http://www.keshercommunications.com/">Business Phone Systems</a> | <a href="http://www.keshercommunications.com/hostedpbx.html">Hosted PBX</a><o:p></o:p></p><p class=MsoNormal>T: 0161 820 8353<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>