NEC DT510 User Manual page 29

Call Forwarding Busy/No Answer (B/NA)
To set Call Forward – Busy/No Answer at a forwarding
station:
(1) Pick up the handset or press the Speaker key.
(2) Dial the Call Forward – Busy/No Answer
Service Code (default: 744).
-OR-
(1) Press the Call Forwarding Programmable
Function Key (Service Code 751:13).
CF-BNA
1:SET 0:CANCEL
CF-BNA
12345678
(2) Dial 1 (Set).
(3) Dial the destination extension or off-premise
number.
(4) Press the Speaker key or hang up.
To cancel Call Forward – Busy/No Answer at a
forwarding station:
(1) Pick up the handset or press the Speaker key.
(2) Dial the Call Forward – Busy/No Answer
Service Code (default: 744).
-OR-
(1) Press the Call Forwarding Programmable
Function Key (Service Code 751:13).
(2) Dial 0 (Cancel).
(3) Press the Speaker key or hang up.
To set Call Forward – Both Ring at a forwarding station:
(1) Pick up the handset or press the Speaker key.
(2) Dial the Call Forward – Both Ring Service
Code (default: 745).
-OR-
(1) Press the Call Forwarding Programmable
Function Key (Service Code 751:14).
(2) Dial 1 (Set).
(3) Dial the destination extension number.
CF-Both Ring
12345678
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