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</head><body><p>Hi guys,<br> <br> I've investigated many hours and cannot solve this problem:<br> A and B should use g711u. </p><p><br> A: <img src="cid:d242e27033084e59a8a877a137eb44ba@Open-Xchange" style="max-width: 100%;" class="aspect-ratio" alt="" from_clipboard="true"></p><p><br> B: <img src="cid:cd462457d2134dd4950ddf12e9e7ecf8@Open-Xchange" style="max-width: 100%;" class="aspect-ratio" alt="" from_clipboard="true"><br> <br> But FreeSwitch decides to transcode:<br></p><p> <img src="cid:61e85c8ab9904d83b9e3553e5745e36d@Open-Xchange" style="max-width: 100%;" class="aspect-ratio" alt="" from_clipboard="true"><br> The settings:<br> vars.xml<br> <X-PRE-PROCESS cmd="set" data="media_mix_inbound_outbound_codecs=false"/> <br> <X-PRE-PROCESS cmd="set" data="global_codec_prefs=OPUS,G722,PCMU,PCMA,VP8"/> <br> <br> internal.xml<br> <param name="inbound-codec-negotiation" value="greedy"/><br> <param name="inbound-late-negotiation" value="true"/> <br> <param name="disable-transcoding" value="true"/> <br> <br> <param name="inbound-proxy-media" value="false"/> <br> <param name="inbound-bypass-media" value="false"/><br> <param name="inbound-codec-prefs" value="$${global_codec_prefs}"/><br> <param name="outbound-codec-prefs" value="$${global_codec_prefs}"/><br> <br> default.xml (Using the demo-Dialplan)<br> <extension name="Local_Extension"><br> ...<br> <br> Using FS v 1.8</p><p>Thanks.<br> Uli<br> <br></p></body></html>