Aastra 9000i Series, Руководство администратора

Страница: 339 / 1043

5-62 41-001343-01 Rev 02, Release 3.2.2
Local Dial Plan
A dial plan describes the number and pattern of digits that a user dials to reach a particular
telephone number. Access codes, area codes, specialized codes, and combinations of the number
of digits dialed are all part of a dial plan. For instance, the North American Public Switched
Telephone Network (PSTN) uses a 10-digit dial plan that includes a 3-digit area code and a
7-digit telephone number. Most PBXs support variable length dial plans that use 3 to 11 digits.
Dial plans must comply with the telephone networks to which they connect. Only totally private
voice networks that are not linked to the PSTN or to other PBXs can use any dial plan.
The Dial Plan field accepts up to 512 characters. If a User enters a dial plan longer than 512
characters, or a parsing error occurs, the phone uses the default dial plan of “
x+#|xx+*”.
You
configure the SIP Local Dial Plan using the Aastra Web UI or the configuration files.
The IP phone SIP local dial plan available symbols are as follows:
Dial Plan Example
An example of a SIP Local Dial Plan is:
[01]XXX|[2-8]XXXX|91XXXXXX
XXXX|X+.|*XX
The dial plan in the above example can accept any 4-digit dial strings that begin with a '0' or '1',
any 5-digit dial strings that begin with a '2' up to '8', any 12-digit dial strings that begin with '91',
any non-empty digit string that ends with a '.' or any 2-digit code that begins with a '*'.
Symbol Description
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Digit symbol
; Allows a secondary dial tone to be audible before dialing a
number.
X Match any digit symbol (wildcard)
*, #, . Other keypad symbol
| Expression inclusive OR
+ 0 or more of the preceding digit symbol or [] expression
[] Symbol inclusive OR
- Used only with [], represent a range of acceptable symbols;
For example, [2-8]
; Used when a secondary dial tone is required on the phone.
(For example, “9;xxxxxx”, when a user has to dial “9” to get
and outside line and needs a secondary dial one presented