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Configuring Voice Services
Configuring Dial Plans
ATA Administration Guide 61
4
Configuring Dial Plans
Dial plans determine how the digits are interpreted and transmitted. They also
determine whether the dialed number is accepted or rejected. You can use a dial
plan to facilitate dialing or to block certain types of calls such as long distance or
international.
This section includes information that you need to understand dial plans, as well as
procedures for configuring your own dial plans. This section includes the following
topics:
• “About Dial Plans,” on page 61
• “Editing Dial Plans,” on page 70
About Dial Plans
This section provides information to help you understand how dial plans are
implemented.
Refer to the following topics:
• “Digit Sequences,” on page 61
• “Digit Sequence Examples,” on page 63
• “Acceptance and Transmission the Dialed Digits,” on page 66
• “Dial Plan Timer (Off-Hook Timer),” on page 67
• “Interdigit Long Timer (Incomplete Entry Timer),” on page 68
• “Interdigit Short Timer (Complete Entry Timer),” on page 68
Digit Sequences
A dial plan contains a series of digit sequences, separated by the | character. The
entire collection of sequences is enclosed within parentheses. Each digit
sequence within the dial plan consists of a series of elements, which are
individually matched to the keys that the user presses.
NOTE White space is ignored, but may be used for readability.