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Cisco Bug: CSCul33490 - 89XX/99XX Phones will not use phone NTP reference for time

Last Modified

Nov 27, 2020

Products (11)

  • Cisco Unified IP Phones 9900 Series
  • Cisco Unified SIP Phone 3905
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 6961
  • Cisco Unified IP Phone 6941
  • Cisco Unified IP Phone 8961
  • Cisco Unified IP Phone 9971
  • Cisco Unified IP Phone 8941
  • Cisco Unified IP Phone 8945
  • Cisco Unified IP Phone 6945
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Known Affected Releases


Description (partial)

8961, 9951, and 9971 phones will not use the phone NTP reference as configured for getting their time.

Firmware versions 9.1(1) and later will not synchronize their time with an external NTP server.  The ability to use an NTP reference for time has been turned off on 89XX and 99XX phones.

Related Community Discussions

<key>CSCul33490</key> - 89XX/99XX Phones will not use phone NTP reference for time - 1
Is there any information on when a bugfix can be expected? Thanks for your help Till
Latest activity: Jun 08, 2015
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