Remove a Codec
This rule changes the contact in the SDP to the value contained in the Contact header.
sip-manipulation name removeCodec description remove G711 codec if it exists mime-sdp-rule name removeCodec msg-type request methods INVITE action manipulate comparison-type case-sensitive match-value new-value sdp-media-rule name removeG711 media-type audio action manipulate comparison-type case-sensitive match-value new-value sdp-line-rule name remove711 type m action replace comparison-type pattern-rule match-value ^(audio [0-9] {1,5} RTP.*)( [07] \b)(.*)$ new-value $1+$3 sdp-line-rule name stripAttr type a action delete comparison-type pattern-rule match-value ^(rtpmap|fmtp): [07]\b$ new-value