Speech and Audio Codecs with RTP Payload formats Narrowband codecs: G.711 (PCMA or PCMU) G.723 G.726 G.728 G.729 GSM GSM-EFR AMR EVRC SMV QCELP BroadVoice 16 iLBC Wideband codecs AMR-WB VMR-WB BroadVoice 32 G.722 Variable sampling rate DVI4 VDVI L8 L16 PCMA PCMU |