ESI ESI-50L - Page 8

ESI-50L Administrator’s Manual Administrator programming: An introduction
A.6
Extension numbering
Extensions
Port card
Digital stations Analog stations
1 (main board) 100 through 107 108 and 109
2 110 through 117 118 and 119
3 120 through 127 128 and 129
4 130 through 137 138 and 139
Numbering plan selections
Selection 100 (default) Selection 200 Selection 300
From To Used for From To Used for From To Used for
100 139 Extensions 200 239 Extensions 300 339 Extensions
280 289 Departments 380 389 Departments 470 479 Departments
300 489 Guest/info mboxes 100 199 Guest/info mboxes 100 289 Guest/info mboxes
400 489 Guest/info mboxes
Common to all ESI-50L numbering plan selections
From To Used for From To Used for
0 — Operator 71 76 CO line grps.
490 499 Q & A mailboxes 8 — CO line grp.
500 — Broadcast mailbox 9 — CO line grp./ARS
501 516 Group mboxes
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— Call pickup
533 542 Cascade notif. mboxes # — Paging
600 699 System speed-dial