<div>iBasis, like many providers uses a softswitch in which separate elements handle the signaling (SIP/H.323) and media gateways handle the media (RTP).</div>
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<div>when you send a call with the Dial command you state iBasis signaling address and the Asterisk sets it's own media IP/Port in the SDP. when iBasis send back a response it states it's own media IP/Port in the SDP (which can be different from the signaling IP) so the asterisk will know where to send the RTP packets. so in terms of asterisk configuration you don't need to do anything different from what you would usually do..
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<div><span class="gmail_quote">On 5/19/07, <b class="gmail_sendername"><a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:lists@infoway.net" target="_blank">lists@infoway.net</a></b> <<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:lists@infoway.net" target="_blank">
lists@infoway.net</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Thanks for the prompt response, but would you care to explain this a bit further?<br><br>It could be due to my ignorance, and if so, I apologize. But, how can we send the INVITE to one IP and then the media to a different one? Do we just simply send the call to the INVITE IP using the Dial command and that's it?
<br><br>Thanks<br><br>On Sat, May 19, 2007 12:29 pm, Yossi Ben Hagai <<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:yossibh@gmail.com" target="_blank">yossibh@gmail.com</a>> said:<br><br>> Asterisk supports it and the good news is that you don't have to do anything
<br>> for it to work.<br>><br>> On 5/19/07, <a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:lists@infoway.net" target="_blank">lists@infoway.net</a> <<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:lists@infoway.net" target="_blank">
lists@infoway.net</a>> wrote:<br>>><br>>> Hi,<br>>> <br>>> We are currently trying to setup Asterisk with iBasis. One<br>>> question/problem we have is that Ibasis has told us to send the INVITEs to
<br>>> one IP address and all media to a different IP address. How can we do that <br>>> in Asterisk?<br>>><br>>> Thanks<br>>><br>>> _______________________________________________<br>>> --Bandwidth and Colocation provided by
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<br>><br><br></blockquote></div><br>