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DP750/DP720 Administration Guide

Version 1.0.11.4

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;

f. [147] – any digit 1, 4, or 7;

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

i. | - or

• 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

Grandstream Networks DP720 Administration Guide

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