<div> Yes. They tell you what's acceptable to them inside the SIP messages you're trading back and forth on the call setup. </div>
<div> </div>
<div> You can use "sip debug" within Asterisk to get a closer look at those messages.<br><br> </div>
<div><span class="gmail_quote">On 10/14/05, <b class="gmail_sendername">Obelix</b> <<a href="mailto:asterisklists@adontendev.net">asterisklists@adontendev.net</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Quoting Ray Van Dolson <<a href="mailto:rayvd@digitalpath.net">rayvd@digitalpath.net</a>>:<br><br>How can you determine which codecs are acceptable to them?
<br><br>Do they have a way of indicating it?<br><br><br>> Perhaps they dont' like the codec you're offering in your INVITE message?<br>><br>> Ray<br>><br>> On Fri, Oct 14, 2005 at 01:36:17PM +0000, Obelix wrote:
<br>> ><br>> > I have been receiving a lot these 488 "Not Acceptable Here" from a number<br>> of<br>> > providers. What could the problem be?<br>> ><br>> > What is the most common cause of this message?
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