Module: kamailio
Branch: master
Commit: de5b28f89aadfbbf70f023bce7a6fcdd55bfd044

Author: Richard Fuchs <>
Committer: Richard Fuchs <>
Date: 2020-03-25T09:56:56-04:00

rtpengine: document new T.38 options


Modified: src/modules/rtpengine/doc/rtpengine_admin.xml




diff --git a/src/modules/rtpengine/doc/rtpengine_admin.xml 
index fafff2e4c5..d9230209f6 100644
--- a/src/modules/rtpengine/doc/rtpengine_admin.xml
+++ b/src/modules/rtpengine/doc/rtpengine_admin.xml
@@ -2404,6 +2404,23 @@ rtpengine_offer();
                                and used for transcoding on the offering 
side.Useful only in combination with codec-transcode. <emphasis>all</emphasis> 
                                can be used to mask all offered codecs
+                               <listitem><para>
+                               <emphasis>T.38=decode</emphasis> - If the 
offered &sdp; contains a media section
+                               advertising T.38 over UDPTL, translate it to a 
regular audio media section
+                               over RTP. By default, PCMU and PCMA will be 
used as audio codecs, but that can
+                               be overriden using the codec options described 
above. Other transport protocols
+                               (e.g. SRTP) can also be selected in the same 
way. If the offered &sdp; does not
+                               contain a T.38 section, then this flag has no 
+                               </para></listitem>
+                               <listitem><para>
+                               <emphasis>T.38=force</emphasis> - Any audio 
media section (over RTP) in the
+                               offered &sdp; will be translated into a T.38 
section over UDPTL.
+                               </para></listitem>
+                               <listitem><para>
+                               <emphasis>T.38=stop</emphasis> - Stops a 
previously established T.38 to audio
+                               gateway and reverts the session back to media 
passthrough. This is useful when
+                               handling a rejected T.38 offer.
+                               </para></listitem>
                         Check also the documentation of RTPEngine, these flags 
are documented there as well:

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