Nortel Networks IP Phone 2001 - Manual (Page 27)

Making a call
27
Using on-hook dialing
Use on-hook dialing to dial the number before lifting the handset.
2. Dial the number.
or
(Goodbye)
3. To terminate the call, choose one of the
following:
— Replace the handset into the cradle.
— Press the Goodbye key.
1. Leave the handset in the cradle.
(Line)
2. Press the Line (DN) key.
3. Dial the number when the dial tone
sounds.
4. When the called party answers, lift the
handset.