Grandstream Networks DP750 Administration Manual page 54

a. xx+ - at least 2-digit number;
b. xx – exactly 2-digit number;
c. ^ - exclude;
d. . – wildcard, matches one or more characters
e. [3-5] – any digit of 3, 4, or 5;
[147] – any digit 1, 4, or 7;
f.
g. <2=011> - replace digit 2 with 011 when dialing
h. <=1> - add a leading 1 to all numbers dialed, vice versa will
remove a 1 from the number dialed
| - or
i.
• Example 1: {[369]11 | 1617xxxxxxx} –
Allow 311, 611, 911, and any 10-digit
numbers of leading digits 1617
• Example 2: {^1900x+ | <=1617>xxxxxxx} –
Block any number with leading digits 1900 and add prefix 1617
for any dialed 7-digit numbers
Example 3: {1xxx[2-9]xxxxxx | <2=011>x+} –
•
Allow any length of number with leading digit 2 and 10 digit-
numbers of leading digit 1 and leading exchange number
between 2 and 9; If leading digit is 2, replace leading digit 2
with 011 before dialing.
3. Default: Outgoing – {x+}
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 |
\+x+ }
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
• \+x+ - allow dialing any digit with leading + sign; example: +16175669300
Note: In some cases, user wishes to dial strings such as *123 to activate voice
mail or other application provided by service provider. In this case * should be
DP750/DP720 Administration Guide
Version 1.0.11.4
P a g e | 54