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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