<div dir="ltr">global_sevar absolute_codec_string=PCMU</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Mar 15, 2013 at 10:45 AM, Adelia C. <span dir="ltr"><<a href="mailto:hexade@hotmail.com" target="_blank">hexade@hotmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">What are my options when I am looking for a quick fix for the following situation:<br>My in/out traffic is on a few different carriers. Carrier A is sending this SDP on first INVITE, offering PCMA first and PCMU second:<br>
<br>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">v=0</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">o=Sonus_UAC 17329 9183 IN IP4 206.165.95.165</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">s=SIP Media Capabilities</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">c=IN IP4 206.165.95.166</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">t=0 0</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">m=audio 24330 RTP/AVP 8 0</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">a=rtpmap:8 PCMA/8000</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">a=rtpmap:0 PCMU/8000</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">a=sendrecv</span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="font-size:12.0pt;color:#1f497d">a=maxptime:20</span></p>
<br>Freeswitch does the right thing by RFC 3264 and selects PCMA but then negotiates PCMU on the outgoing leg. Then, it drops out of the data path and I have another B2BUA in the middle, that can't translate.<br><br>
Can I make FreeSwitch reply with PCMU? [ Am in North America, with pretty much all my traffic on ULaw]<br><br>I found this suggestion:<br><br><a href="http://wiki.freeswitch.org/wiki/Codec_negotiation#Late_Negotiation_.28requires_param.29" target="_blank">http://wiki.freeswitch.org/wiki/Codec_negotiation#Late_Negotiation_.28requires_param.29</a><br>
<br> but I am looking for a quick and dirty fix, where I restrict all to ULaw.<br><br>Thank you.<span class="HOEnZb"><font color="#888888"><br>A.C.<br> </font></span></div></div>
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