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Cisco Bug: CSCun70769 - RTCP : Info : call 978: message failed validity checks (wrong version) s

Last Modified

Sep 26, 2014

Products (15)

  • Cisco TelePresence MCU 4500 Series
  • Cisco TelePresence MCU 4520
  • Cisco TelePresence MCU 4505
  • Cisco TelePresence MCU 5320
  • Cisco TelePresence MCU 4510
  • Cisco TelePresence MCU 4215
  • Cisco TelePresence MCU 4205
  • Cisco TelePresence MCU 4220
  • Cisco TelePresence MCU MSE 8420
  • Cisco TelePresence MCU MSE 8510
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Known Affected Releases


Description (partial)

When endpoints are connected to a conference, the MCU event log generates a large number of errors: 

133330.498 RTCP : Info : message failed validity checks (wrong version)
133330.510 RTCP : Info : message failed validity checks (wrong version)

These errors can fill up the event log quite quickly if there are many participants connecting.

These messages are harmless and do not cause any performance issue on the unit. Validity errors are usually generated when endpoints claim they are sending encrypted SRTCP but in reality they are not.
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Bug Details Include

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