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<div><span class="gmail_quote">On 8/18/07, <b class="gmail_sendername">Gordon Henderson</b> <<a href="mailto:gordon+asterisk@drogon.net">gordon+asterisk@drogon.net</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">On Sat, 18 Aug 2007, ram wrote:<br><br>> Hi<br>><br>> iam using Asteriks 1.2.17<br>><br>> Server Side ( provider Side g729)
<br>> clients side gsm<br>><br>> when iam calling, iam getting lot of errors like below<br>><br>> and lot of voice breaks<br>><br>> Aug 16 21:23:14 WARNING[9521] dsp.c: Inband DTMF is not supported on codec
<br>> gsm. Use RFC2833<br>><br>> any suggestions<br><br>This might sound obvious, but Use rfc2833.<br><br>But apart from that, you're transcoding from GSM (a lossy format) to g729<br>(another lossy format) so audio quality is going to be quite poor. Can't
<br>you stick to either GSM or g729 all the way? What clients are you using<br>that only support GSM? (and if they're on a LAN why not use<br>G711/uLaw/aLaw?)</blockquote>
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<div>My provider support only g729</div>
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<div>and my client have callcenter Suite</div>
<div>which support only GSM</div>
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<div>any suggestion to come over this problem</div>
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<div>ram<br> </div></div>