AASTRA DT292 for MX-ONE User Guide EN - Manual (Page 28)

Incoming Calls
DT292 28
To restore Parallel Ringing #21#
Dial. Ь Ы
Press.
Wait for the call icon to stop flashing. Ъ Щ
Press to finish the procedure.
Notes:
U.K., dial
# 2 #
.
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.