<div dir="ltr"><div><div>Hello,</div><div><br></div><div>I have a problem with movistar in Mexico with a sip calls. Movistar send to me T38 and G729 in the INVITE and they say that I have to ignore T38 and use G729 in the voice call.</div>
<div><br></div><div>When a fax call is made Movistar send only T38 in the INVITE. </div><div><br></div><div>Invite example:</div></div><div><br></div><div><div>v=0</div><div>o=GDL-BMSW-12D 19913379 19899826 IN IP4 192.168.1.2</div>
<div>s=sip call</div><div>c=IN IP4 192.168.1.2</div><div>t=0 0</div><div>m=audio 6370 RTP/AVP 18 101</div><div>a=fmtp:18 annexb=yes</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-15</div><div>a=ptime:20</div>
<div>m=image 6372 udptl t38</div><div>a=T38FaxVersion:0</div><div>a=T38FaxMaxBuffer:1100</div><div>a=T38FaxMaxDatagram:612</div><div>a=T38MaxBitRate:14400</div><div>a=T38FaxRateManagement:transferredTCF</div><div>a=T38FaxUdpEC:t38UDPRedundancy</div>
</div><div><br></div><div><div>How can I ignore T38 and use only G729 for this call?.</div></div><div><br></div><div>Thanks for your help.</div><div><br></div><div>Damian</div><div><br></div><div><div><br></div>-- <br><div dir="ltr">
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