3Com 3C10402B, Руководство администратора

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Managing Extensions 283
NBX 100 systems use a 3-digit dial plan, and V3000, V3001R, and V5000
systems use a 4-digit dial plan.
Table 54 lists typical extension ranges by type. Table 56 describes these
ranges in more detail.
Table 54 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 V3000, V3001R, and the V5000 systems 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 system 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 351 .
Note 4: An extension cannot begin with a zero.
Table 55 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)