3Com NBX 100 Administrator's Manual page 57

Table 9 Typical Extension Ranges for 3-digit and 4-digit Dial Plans (continued)
Extension Type
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
Table 10 provides a more detailed explanation of extension types,
including default extension ranges and values for 3-digit and 4-digit dial
plans.
Table 10 Dial Plan Extension Settings
Field Purpose (See Notes 1 – 3)
Telephone The range of extensions for telephones.
Extensions Range
TAPI route point extensions are included in the telephone
extensions range.
Length — This pull-down field specifies the number of digits for
telephone extensions.
Auto Attendant The range of extensions for Auto Attendants.
Extensions Range
Default:
For both 3-digit and 4-digit dial plans:
3-digit
4-digit dial plan: 1000–3999
3-digit dial plan: 100–449
4-digit dial plan: 5500–5599
–
3-digit dial plan: 500
Extension 500 is reserved as the default Auto Attendant.
Extension 501 is reserved as the voice mail Auto Attendant.
Managing Extensions
4-digit
TAPI Route Points on
599
57
page 227.