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Cisco Bug: CSCun07540 - 99XX,8961 phone resets when we connect or disconnect a PC on the PC port

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Unified IP Phones 9900 Series

Known Affected Releases

9.4(1.9)

Description (partial)

Symptom:
99XX/8961 phone  with firmware sip9951.9-4-1-9  resets when we connect or disconnect a PC on the PC port or when the PC is rebooted

Conditions:
99XX/8961 running the firmware firmware sip 9-4-1-9

Related Community Discussions

Cisco IP phones restarts when computer is shutting down
Hello! All of our IP phones (79 series, 78 series, 69 series, 99 series) are reloaded (have "Unregistred" status) when computer restarts or shuts down. Computer is connected to the phone switch. At this momet I have log from port of the switch: 015267: Sep  8 20:24:39: %LINEPROTO-5-UPDOWN: Line protocol on Interface Gigabit Ethernet1/0/4, changed state to down 015268: Sep  8 20:24:40: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/4, changed state to down 015269: Sep  8 20:24:44: %LINK-3-UPDOWN: Interface ...
Latest activity: Sep 09, 2015
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