Hi Angel-Moon,
I had a similar issue with a 7970 that was resolved by:
ephone-template 1
type 7970 !- change to 7962
ephone 1
ephone-template 1
Then reset the phone.
Another thing to check is under telephony-service:
time-zone XX
where xx= your time zone..
Remeber to reset the phone after changes when testing.
Best,
David
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