Dial plan rules, Digit sequence syntax, Element repetition – Cisco Linksys SPA9000 User Manual

Page 100: Sub-sequence substitution, Inter-sequence tones, Number barring

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Linksys SPA9000 Administrator Guide

Document Version 3.01

Chapter 4 Configuring SPA9000 Features

Using Dial Plans

Dial Plan Rules

This section describes the rules that apply to configuring and interpreting dial plans.

Note

White space is ignored, but may be used for readability.

Digit Sequence Syntax

Each digit sequence within the dial plan consists of a series of elements, which are individually matched
to the keys pressed by the user. Elements can be one of the following:

Individual keys 0, 1, 2 . . . 9, *, #.

The letter x matches any one numeric digit (0 .. 9)

A subset of keys within brackets (allows ranges): for example, [389] means 3 or 8 or 9)

Numeric ranges (n-n) are allowed within the brackets: for example, [2-9] means any digit from
2 through 9)

Ranges can be combined with other keys: e.g. [235-8*] means 2 or 3 or 5 or 6 or 7 or 8 or *.

Element Repetition

Any element can be repeated zero or more times by appending a period (.) to the element. Thus, “01.”
matches “0”, “01”, “011”, “0111”, … and so on.

Sub-sequence Substitution

A sub-sequence of keys (possibly empty) can be automatically replaced with a different sub-sequence
using an angle bracket notation: < dialed-subsequence : transmitted-subsequence >. So, for example,
“<8:1650>xxxxxxx” would match “85551212” and transmit “16505551212”.

Inter-sequence Tones

An “outside line” dial tone can be generated within a sequence by appending a comma (,) between digits.
Thus, the sequence “9, 1xxxxxxxxxx” sounds an “outside line” dial tone after the user presses 9, until
the 1 is pressed.

Number Barring

A sequence can be barred (rejected) by placing a ! character at the end of the sequence. Thus,
“1900xxxxxxx!” automatically rejects all 900 area code numbers from being dialed.

1xxx[2-9]xxxxxx

Dials US 1 + 10-digit long distance number

xxxxxxxxxx.

Dials all other numbers, including international long distance

Table 4-1

Dial Plan Entries

Dial Plan Entry

Function

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