3Com NBX 100 Administrator's Manual - page 56
56
C
HAPTER
2: D
IAL
P
LAN
Table 8 Typical Extension Ranges by Type
Extension Type
4-digit
Telephones
1000–3999
Auto Attendant
500, 501, plus 5500–5599
Hunt Group
4000–4099
External Extensions
(includes line card
ports and Call Park)
6000–7999
(external Auto Discovery
starts at 7250)
Call Park (must fall
within External
Extension range)
6000–6099
Note 1: The NBX V3000 and the Superstack 3 NBX V5000 are shipped with a
factory default 4-digit dial plan. If you import any 3-digit plan, you must manually
specify any 3-digit extension ranges that are not set by the imported plan. You must
also manually change any device extensions so that they fall within the appropriate
range.
Note 2: The NBX 100 is shipped with a factory default 3-digit dial plan. If you import
any 4-digit plan, you must manually specify any 4-digit extension ranges that are not
set by the imported plan. You must also manually change any device extensions so
that they fall within the appropriate range.
Note 3: TAPI Route Point extensions occur in the same range as telephones. TAPI
Route Point extensions do not appear in telephone lists within the NBX NetSet utility.
For more information about TAPI Route Points, see
TAPI Route Points
on
page 227
.
Table 9 Typical Extension Ranges for 3-digit and 4-digit Dial Plans
Extension Type
3-digit
4-digit
Telephones
100–449
1000–3999
Auto Attendant
500–599
500, 501, plus 5500–5599
Hunt Group
450–499
4000–4099
External Extensions
(includes line card
ports and Call Park)
600–799
(external Auto Discovery
starts at 750)
6000–7999
(external Auto Discovery
starts at 7250)
Call Park (must fall
within External
Extension range)
601–609
6000–6099