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Cisco Bug: CSCum27379 - H.323 not tried upon SIP fail when call protocol set to Auto

Last Modified

Feb 22, 2014

Products (17)

  • Cisco Telepresence Integrator C Series
  • Cisco TelePresence System Profile 65-inch Dual
  • Cisco TelePresence System Profile 52-inch
  • Cisco TelePresence Codec C60
  • Cisco TelePresence System Profile 42-inch
  • Cisco TelePresence System Integrator Package C40
  • Cisco TelePresence Codec C40
  • Cisco TelePresence MX200
  • Cisco TelePresence System Integrator Package C60
  • Cisco TelePresence System Integrator Package C90
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Known Affected Releases


Description (partial)

When using the Cisco TelePresence C-series or EX-series to call another endpoint using H.323 and telling the C or EX-series endpoint to automatically choose the correct protocol type, the call will fail.

This condition can occur when the endpoint being called to is only available via H.323 and not SIP, as well as the absence of any H.323-SIP interworking along the call flow between the two endpoints.  This condition will occur only if the call protocol is set to Auto and not explicitly defined.
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