Telephone Numbering Plan - Dial Plan Syntax

Dial Plan Syntax

The following syntax used to identify a dial plan in a digit map is adapted from .

Dial Plan Syntax
To specify a Enter the following Result
Digit
0 1 2 3 4 5 6 7 8 9 *
 Identifies a specific digit (do not use #)
Range
Identifies any digit dialed that is included in the range
Range
Specifies a range as a comma separated list
Wild card
x
 x matches any single digit that is dialed
Wild card
.
 . matches an arbitrary number of digits
Timer
T
 Indicates that an additional time out period of 4 seconds should take place before automatic dialing starts

Some dial plan examples using the above syntax look as follows:

Dial Plan Syntax Examples
For calls to Users dial Dial plan
Internal Extension
a two digit number
 xx
Local Number
9 (if required for an outside line) and then a seven digit number
 9xxxxxxxT
Emergency
911
 911
Local Operators
9 (if required for an outside line) then 0
 90T
Long Distance
9 (if required), 1, area code and local number
 91xxxxxxxxxx
International
9 (if required), 011, any number of additional digits
 9011x.T

Read more about this topic:  Telephone Numbering Plan

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