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Appendix C: Dial Plan and Auto-Attendant Scripting for Advanced Users
Configuring Dial Plans
IP Telephony System
Entries include the following:
• Individual characters include 0 to 9, *, #.
• The letter x matches any single number from 0 to 9.
• A subset of keys within brackets represents a range: [set].
For example, [389] means 3 or 8 or 9
• A numeric range is allowed within the brackets: [digit-digit].
For example, [2-9] means 2, 3, 4, 5, 6, 7, 8, or 9.
• A range can be combined with other keys.
For example, [235-8*] means, 2, 3, 5, 6, 7, 8, or *.
These are the rules for the entries:
• Any key can be repeated zero or more times by adding a . (period) to the end.
For example, 01. matches 0, 01, 011, 0111...
• A sub-sequence of keys, which can be empty, can be automatically replaced with a different sub-sequence
using an angled bracket notation: <dialed-sub-sequence:transmitted-sub-sequence>.
For example, 8:1650.xxxxxxx matches 85551212 and transmits 16505551212.
• An outside line dial tone can be generated within a sequence by adding a , (comma) between digits.
For example, 9,1xxxxxxxxxx sounds an outside line dial tone after the caller presses 9, until the 1 is pressed.
• A sequence can be barred or rejected by placing an ! (exclamation mark) at the end of the sequence.
For example, 1900xxxxxxx! automatically blocks all 900 area code numbers from being dialed.
Here are some examples of dial plans:
(1xxxxxxxxxx) - This dial plan accepts only US-style 1 + area code + local number, with no restrictions on the
area code and number.
(1xxxxxxxxxx|,<:1212>xxxxxxx) - This dial plan allows US-style, 7-digit dialing and automatically inserts a 1 +
212 (local area code) in the transmitted number.
(<9,:>1xxxxxxxxxx|<8,:1212>xxxxxxx) - This dial plan requires a caller to dial 8 as a prefix for local calls and 9 as
a prefix for long distance. In either case, an outside line tone is played after the initial 8 or 9, and neither prefix is
transmitted when the call is initiated.
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