Cisco IP Phone 7942 intermidately restarting

[Sandeep Baraskar]

                   Hi,

We done below task for afrosaid problem

1. Change the IP phone

2. Change the cabling from end user till switch port

3. Change the Switch port

4. Remove configration from CUCM for End user and Phone

But still problem is persisting ... Please assist me

[Aman Soi · Accepted solution]

Hi Sandeep,

What is CUCM version and IP phone firmware?

IS phone working on PoE or Power CUBE?Are u facing problem with this phone model only?

regds,

aman

[Sandeep Baraskar]

Hi,

CUCM version - 8.1

IP Phone version SIP42.9-0-2SR1S

Phone is working on POE and this only 1 phone having such issue.

Regards,

Sandy

[Aman Soi]

Hi Sandeep,

Try doing factory reset of the phone ,

http://www.wikihow.com/Reset-a-Cisco-CP-7940G-Phone-to-Factory-Default

Are other phones working fine on the same switch where 7942 is creating problem.

regds,

aman

[Tapan Dutt]

Check event-viewer logs. Collect from RTMT for the time issue happens. Keep a buffer of 10 min before and after the reboot happens

Tapan