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Cisco Bug: CSCuq35585 - "Krik" sound when a 78XX phone involved in the call.

Last Modified

Jun 19, 2015

Products (4)

  • Cisco IP Phone 7800 Series
  • Cisco IP Phone 7841
  • Cisco IP Phone 7821
  • Cisco IP Phone 7861

Known Affected Releases


Description (partial)

Customer hears a "Krik" sound when a 78XX phone is involved on a call either as calling or called phone. The sound is heard on both ends. It looks like a electrical sound , kind of a feedback , which is audible on every call , some times more / sometime less. The sound is observed in the 1st split second of the call moments after 78XX goes offhook. Issue observer with handset , headset and speaker.

78XX involved on the call.
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