Hi Radoslav,
I would go ahead and open a TAC case, it sounds very much
like this bug (not exact but too similar!!)
7962 phone not able to record missed and received call in call history
CSCud19308
Symptom:
7962 phone not able to record missed call in call history
Conditions:
phone is running version SCCP42.9-3-1-1S on CUCM 9.0
there is no call record in the call history. other phone call this phone and this phone don't answer. this phone don't have any record of the missed call in call history.
Workaround:
no
Details
Last Modified:
Nov 22,2012
Cheers!
Rob
Product:
Cisco Unified IP Phone 7900 Series
Known Affected Releases: | (1) |
No release planned to fix this bug