Change Codec
sip-manipulation name convertCodec description changeG711toG729 mime-sdp-rule name changeCodec msg-type request methods INVITE action manipulate comparison-type case-sensitive match-value new-value sdp-media-rule name change711to729 media-type audio action manipulate comparison-type case-sensitive match-value new-value sdp-line-rule name change711 type m action replace comparison-type pattern-rule match-value ^(audio [0-9]{4,5} RTP/AVP.*)( 0)(.*)$ new-value $1+” 18”+$3 sdp-line-rule name stripAttr type a action delete comparison-type pattern-rule match-value ^rtpmap:0 PCMU/ .+$ new-value sdp-line-rule name addAttr type a action add comparison-type boolean match-value $change711to729. $stripAttr new-value rtpmap:18 G729/8000