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Cisco Bug: CSCum50769 - 8961/99XX phones may exhibit slow performance

Last Modified

Aug 07, 2018

Products (1)

  • Cisco Unified IP Phones 9900 Series

Known Affected Releases


Description (partial)

Users may notice delayed response on the phone display when pressing keys, especially when dialing.
Users may also briefly notice an extended delay when pressing buttons after the phone has been idle for an extended period.

Using 8961/99XX series phone
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Bug Details Include

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  • Status
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