CUCM Phone Configuration: Understanding CODECs

The way your voice is ‘coded’ when you speak into an IP phone.

Engine that makes voice work with RTP streams.

  • G.711 – 8000hz Sampling – 64Kbps – Compatible with all
  • G.722 – ‘HD Audio’ – 16000hz – 48, 56 + 64Kbps – Wideband CODEC/Bigger frequency sampling
  • G.729 – 8000hz Sampling – 8Kbps – Latin Based CODEC
  • iLBC – 8Khz Sampling – 15.2Kbps – High-Quality Compressed

 

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