Infinite Peripherals DVX Plus II/III/IV - Manual (Page 13)

8 Do Not Disturb (DND)
Conference w/Personal Park
While connected to an outside line:
1. Depress hookswitch momentarily. An intercom dial
tone is heard.
2. Dial [438]. (The first call is placed in Personal Park).
3. Dial desired number for second call.
4. Depress hookswitch momentarily. An intercom dial
tone is heard.
5. Dial [664]. All three parties are conferenced.
6. Hang up to terminate conference.
Do Not Disturb (DND)
If you have been given the ability to place your phone in Do
Not Disturb:
1. Lift the handset.
2. Dial [631].
3. Replace the handset.
To cancel Do Not Disturb:
1. Lift the handset.
2. Dial [631] or [662].
3. Replace the handset.
Hold - Exclusive
While connected to an outside line:
Briefly depress and release the hookswitch.
To retrieve the call:
Depress and release the hookswitch again.