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VARIABLE: bypass_media_sdp_filter Can be set globally or per leg on the inbound side of a bypass_media bridge. VALID FILTERS: remove(): Removes the specified codec if it exists in the SDP. only(): Removes all codecs besides the one specified (providing that it exists in the sdp) (will not remove telephone-event)) EXAMPLE 1 (remove everything leaving only g729): <action application="set" data="bypass_media_sdp_filter=only(g729)"/> <action application="set" data="bypass_media=true"/> <action application="bridge" data="sofia/internal/1238@conference.freeswitch.org"/> EXAMPLE 2 (remove everything leaving only g729 and also remove dtmf): <action application="set" data="bypass_media_sdp_filter=only(g729)|remove(telephone-event)"/> <action application="set" data="bypass_media=true"/> <action application="bridge" data="sofia/internal/1238@conference.freeswitch.org"/> EXAMPLE 3 (remove alaw and speex): <action application="set" data="bypass_media_sdp_filter=remove(pcma)|remove(speex)"/> <action application="set" data="bypass_media=true"/> <action application="bridge" data="sofia/internal/1238@conference.freeswitch.org"/>