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Cisco Bug: CSCtd92600 - Apply Config to 7921/7925 sometimes failed

Last Modified

Feb 07, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)


UCM sometimes does not send 'Reset' message to the phone after clicking Save, Apply Config buttons.  


When changing the paramester value from Phone Configuration page for 7921/7925, after clicking Save, Apply Config and OK buttons,  I observed the phone sometimes did not restart to update the configuration. I used sniffer to capture the traces and found UCM sometimes did not send "Reset" message with reset type 'DEVICE_RESTART" to the phone.  This issue could happen when the phone was in idle.  It's also easy to reproduce if did 'Apply Config' when  the phone was in active call.
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