Page 6-280
Programming
INTER-TEL
®
AXXESS
®
MANUAL VERSION 11.0 – May 2008
Numbering Plan
9. NUMBERING PLAN
9.1 The programming areas included in Numbering Plan include the following:
• Area Flags—U.S. only (see below)
• Classes Of Service (see page 6-281)
• Device Baseline Extensions (see page 6-285)
• Emergency (see page 6-286)
• Home Area Codes—U.S. only (see page 6-286)
• Route Groups (see page 6-291)
• Toll String Dialing Patterns (see page 6-287)
• User Groups—U.S. only (see page 6-289)
• Dial Rules, Facility Groups, and Route Groups (see page 6-291)—For a full description
of ARS, see page 5-99 in FEATURES. Note that the ARS software license is required
(see page 6-97).
9.2 The other Numbering Plan programming areas are described in the following pages.
A. AREA FLAGS (U.S. ONLY)
9.3 If the system is installed in an area where office and area codes overlap and/or where
toll digits are allowed on toll calls or required on long distance calls, double-click on
Area
Flags
to view the area and office code flags.
9.4 The following numbering plan area flags can be programmed. The first two flags deter-
mine in what way area and office codes overlap. The chart illustrates the difference between
the standard North American Numbering Plan (NANP) and each of the overlap flags. In the
chart, N=2-9, Z=0 or 1, and X=0-9.
• Office Codes Used as Area Codes: An area code in another location uses an NXX pat-
tern that matches an office code within the system site’s area code. Because the system
cannot differentiate between an office code and an area code when the second digit
dialed is 0-9, it will wait for the Interdigit timer to expire or another digit to be dialed
before assuming that dialing is completed.
• Area Codes Used as Office Codes: One or more office codes within the system site’s
area code use an NZX pattern that is the same as an area code in another area. Because
area codes do not resemble office codes (NXX), end-of-dialing detection is not affected
by this flag.
• Local 7/10 Digit Dialing: When this flag is enabled, outgoing calls are identified as
having reached the end of dialing if the first digits are not a toll field, equal access field,
operator access field, or a local area code. This function speeds up placement of local
seven-digit calls in an area where some local calls require ten digits.
Table 6-26: Numbering Plan Area Flags
Flag Area Codes Can Be: Office Codes Can Be:
NANP NZX NXX
Office Codes as Area Codes NZX or NXX NXX
Area Codes as Office Codes NZX NXX or NZX
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