<div>Ray,</div>
<div> </div>
<div>Jitter buffers in VoIP are only of use at the point where the packets are converted into the final PCM bit stream - a TDM or DAC interface in most cases.</div>
<div> </div>
<div>The problem with your proposed solution is that the output of mediaproxy, even if it is de-jittered, will be subject to jitter once again on the way to the endpoint where the packet connection is converted to voice.
</div>
<div> </div>
<div>Mark</div>
<div><br><br> </div>
<div><span class="gmail_quote">On 9/21/05, <b class="gmail_sendername">Ray Van Dolson</b> <<a href="mailto:rayvd@digitalpath.net">rayvd@digitalpath.net</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">First off, here is my voice network layout currently:<br><br><a href="http://webdev.digitalpath.net/~rayvd/voice/voice_network2.png">
http://webdev.digitalpath.net/~rayvd/voice/voice_network2.png</a><br><br>We're using Asterisk for voicemail, call routing (for long-distance, LNP, etc)<br>and SER/rtpproxy at the other end which handles NAT onto private networks
<br>where customer's exist.<br><br>This setup works fairly well for the most part, except that Asterisk does not<br>have a jitter buffer. I would like to make use of rtpproxy (or mediaproxy)<br>for their jitter buffer on both ends of our voice links here. To me, that
<br>would mean shoving a SER/rtpproxy combo between Asterisk and our provider<br>network. Possibly on the same server.<br><br>I could easily throw up a SER installation, but I'm trying to figure out if<br>there's any way to leave Asterisk in the SIP path but remove it from the media
<br>path (have RTP just go straight from SER/rtpproxy to my provider's RTP proxy).<br><br>Have any of you set up a scenario somewhat like this? Any recommendations?<br>Asterisk CVS-HEAD does let you apply a patch and get some very alpha jitter
<br>buffer support. But CVS HEAD doesn't work reliably for me at all currently so<br>I'm sticking with the latest stable release of 1.0.x series.<br><br>I'm running SER 0.9.3 FYI on the SER proxies I have set up currently.
<br><br>Thanks.<br><br>--<br>Ray Van Dolson<br>Linux/Unix Systems Administrator<br>Digital Path, Inc.<br><br>_______________________________________________<br>Serusers mailing list<br><a href="mailto:serusers@lists.iptel.org">
serusers@lists.iptel.org</a><br><a href="http://lists.iptel.org/mailman/listinfo/serusers">http://lists.iptel.org/mailman/listinfo/serusers</a><br></blockquote></div><br>