Infinite Peripherals DVX Plus II/III/IV - Manual (Page 17)

12 Off-Hook Preference
Off-Hook Preference
If your phone is programmed for Off-Hook Preference, you will
hear outside line dial tone when lifting the handset.
When this operation is desired, you may not have access to all
features contained in this User Guide. However, consult your
Centrex or PBX User Guide for additional features you may
have.
Paging
If you have been given the ability to make page
announcements:
1. Lift the handset.
2. Dial desired paging code.
Also refer to PBX/Centrex Transfer feature in this User Guide
for transferring instructions.
Page Zone Code
All Call - Internal and External 700
External All Call (All Zones) 76[O]
External Zones 1-2 76[P]
Internal Zones 1-8 701-708
Internal All Call 709