PBX GUI - DIAL PATTERN INFO
X matches any digit from 0-9
Z matches any digit from 1-9
N matches any digit from 2-9
[1237-9] matches any digit or letter in the brackets (in this example, 1,2,3,7,8,9)
. wildcard, matches one or more characters
! wildcard matches zero or more characters
Wildcard characters, if used, must be the final character in the dial pattern
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Here is the standard 10 digit NANP (North American Numbering Plan) dial pattern:
NXXNXXXXXX |
From above, we can see that this pattern could also be written as:
[2-9]XX[2-9]XXXXXX |
It is common for NANP numbers to have the leading digit 1 (country code), but note you can't represent both number formats with a single pattern. You must use two separate patterns:
NXXNXXXXXX
1NXXNXXXXXX |
Not stated above, digits are permitted in dial patterns of course. If you want to create a dial pattern(s) to match all numbers for area code 920:
920NXXXXXX
1920NXXXXXX |
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