Dial Plan - ATCOM AT800 Series User Manual

AT800 AT800 AT800 AT800 Series Series Series Series User User User User Manual
Dial Plan
Dial Dial

Dial Plan

Plan Plan
Dial plans specifies how to interpret digit sequences dialed by the user, and how to convert those
sequences into an outbound dial string. The syntax for dial plan closely resembles the corresponding
syntax specified by MGCP and MEGACO.
The dial plan functionality is regulated by the following configurable parameters:
� Interdigit_Long_Timer---refer to Interdigit_long_timer part for details
� Interdigit_Short_Timer---refer to interdigit long timer part for details
�
Dial_plan
Dial plan contains a series of digit sequences, separated by "|" character. The collection of
sequences are enclosed in parentheses, "(" and ")".
Defaults to (xxxxxxxxxxxx.)
When a user dials a series of digits, each sequence in the dial plan is tested as a possible match.
matching sequences form a set of candidate digit sequences.
the set of candidates diminishes until only one or none are valid.
Any one of a set of terminating events triggers the AT00 to both accept the user-dialed sequence, and
transmit it to initiate a call, or else reject it as invalid. The terminating events are:
• No candidate sequences remain: the number is rejected.
•
Only one candidate sequence remains, and it has been matched completely: the number is accepted
and transmitted after any transformations indicated by the dial plan, unless the sequence is barred by
the dial plan (barring is discussed later), in which case the number is rejected.
•
A timeout occurs: the digit sequence is accepted and transmitted as dialed if incomplete, or
transformed as per the dial plan if complete.
•
An explicit 'send' (user presses the '#' key): The digit sequence is accepted and transmitted as dialed
if incomplete, or transformed as per the dial plan if complete.
The timeout duration depends on the matching state. White space is ignored, and 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')
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As more digits are entered by the user,
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