IVX
S
N
YSTEM
UMBERING
P
LAN
The system's fixed numbering plan is as shown:
1
to 16
100
100 to 131
191 to 192
200 to 209
300 to 499
500
501 to 516
520 to 529
530 to 550
590 to 598
600 to 699
A
P
DMINISTRATOR
CO Lines
Operator Extension (default)
User Extensions
Analog Extensions
Department Pilots
Guest / Info Mailboxes
Broadcast Mailbox
Group Mailboxes
Cascade Paging Mailboxes
Recordable System Prompts
MOH Recordings
System Speed Dial
2.5
ROGRAMMING