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Cisco TelePresence MCU 4200 Series

Codecs supported on an MCU using H.323 and SIP

What codecs are supported on the Cisco TelePresence MCU using H.323 and SIP?

The Cisco TelePresence MCUs and Media blades support the following codecs for both H.323 and SIP:

Audio

  • G.711 A-law, μ-law
  • G.722
  • G.722.1
  • G.722.1 Annex C
  • G.723.1
  • G.728
  • G.729 including Annex A and Annex B
  • Siren14
  • AAC-LC
  • AAC-LD

Video

  • H.261
  • H.263
  • H.263+
  • H.264

Presentation video

  • H.263+
  • H.264

This article applies to the following products:

  • Cisco TelePresence MCU 4200 / MSE 8420
  • Cisco TelePresence MCU 4500
  • Cisco TelePresence MSE 8510 blade

May 2nd, 2011 TAA_KB_154