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Cisco TelePresence MCU 4200 Series

Can not share content between MCU, Cisco acquired Tandberg, or Polycom endpoints

Why can't I share content between my Cisco TelePresence MCU and my Cisco acquired TANDBERG, Cisco TelePresence or Polycom endpoint?

This article applies to the following products:

  • Cisco TelePresence MCU 4200 Series
  • Cisco TelePresence MCU 4500 Series
  • Cisco TelePresence MCU 5300 Series
  • Cisco TelePresence MCU MSE Series

The Cisco TelePresence MCU series supports H.239 content sharing. Cisco acquired TANDBERG Classic endpoints use a proprietary content sharing system called DuoVideo which predates H.239. Similarly, Polycom has a proprietary content sharing system called People+Content.

Cisco TelePresence System MXP endpoints support both DuoVideo and H.239 content sharing: to send H.239 content from a Cisco TelePresence System MXP endpoint a Natural Presenter option key must be installed; no key is required to receive H.239 content. The Polycom VSX and newer endpoints support H.239 but in some cases it will be necessary to enable H.239 before it can be used.


Note: With reference to the Cisco TelePresence System MXP endpoints, the H.239 option appears in the web interface, even if the Presenter option key is not installed; therefore, the presence of this option does not mean that you have the key enabled.

H.239 needs to be enabled globally on the Cisco TelePresence MCU and also for the specific conference. Please refer to the online help.


October 16th, 2012 TAA_KB_68