The following table outlines the SIP trunking patterns.

Trunking Patterns

SymbolDescription

Patterns

.Matches one or more digits.
[x-y]

Matches any single digit between x and y (inclusive).

X

Matches any digit between 0 and 9, equivalent to [0-9].

ZMatches digit between 1 and 9, equivalent to [1-9].
N

Matches any digit between 2 and 9, equivalent to [2-9].

Pattern Examples

• 1XXX Matches any four-digit number starting with 1, e.g. 1000, 1200, 1234

• 9NXXXXXX Local calls preceded by a 9, e.g. 95551234

• 91NXXNXXXXXX Long distance calls preceded by a 9, e.g. 914085551234

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