e) [147] - any digit of 1, 4, or 7
f) <2=011> - replace digit 2 with 011 when dialing
g) | - the OR operand
• Example 1: {[369]11 | 1617xxxxxxx}
Allow 311, 611, and 911 or any 10 digit numbers with
leading digits 1617
• Example 2: {^1900x+ | <=1617>xxxxxxx}
Block any number of leading digits 1900 or add prefix 1617
for any dialed 7 digit numbers
• Example 3: {1xxx[2-9]xxxxxx | <2=011>x+}
Allows any number with leading digit 1 followed by a 3 digit
number, followed by any number between 2 and 9,
followed by any 7 digit number OR Allows any length of
numbers with leading digit 2, replacing the 2 with 011 when
dialed.
3. Default: Outgoing – {x+}
Allow any length of numbers.
Example of a simple dial plan used in a Home/Office in the
US:
{ ^1900x. | <=1617>[2-9]xxxxxx | 1[2-9]xx[2-9]xxxxxx |
011[2-9]x. | [3469]11 }
Explanation of example rule (reading from left to right):
• ^1900x. - prevents dialing any number started with 1900
• <=1617>[2-9]xxxxxx - allows dialing to local area code
(617) numbers by dialing 7 numbers and 1617 area code
will be added automatically
• 1[2-9]xx[2-9]xxxxxx |- allows dialing to any US/Canada
Number with 11 digits length
• 011[2-9]x. - allows international calls starting with 011
• [3469]11 - allow dialing special and emergency numbers
311, 411, 611 and 911
Note: In some cases where the user wishes to dial strings
such as *123 to activate voice mail or other applications
provided by their service provider, the * should be
predefined inside the dial plan feature. An example dial
plan will be: { *x+ } which allows the user to dial * followed
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