AASTRA DT390 for MX-ONE User Guide EN - Manual (Page 34)

1424-EN/LZT 103 087 Uen F2 2012-03-02 34
I NCOMING C ALLS
6.4.2 Restoring Parallel Ringing
To restore parallel ringing, do the following:
1. Press #21#.
Note: U.K., press #2#.
2. Press .
Wait for the call timer to start in the display.
3. Press to finish the procedure.
Note: If you want to restore parallel ringing for all phones defined in the
list, follow the procedure for restoring the function from the phone
with the main extension number and enter the number of the
answering position. If you want to restore parallel ringing for one
specific phone in the list only, follow the procedure for restoring
the function from this phone and enter its extension number.