NEC DS1000 Feature Handbook page 14

Call Forwarding
3. Dial destination extension.
Dial 0 or 01-04 for your operator.
Press
4. Press
8
OR
OR
to forward to Voice Mail.
to hang up.
If you use option 4 to forward your calls immedi-
ately to a co-worker, only the user at the forwarding
destination can call you on the Intercom.