Grandstream Networks GXP2140 User Manual page 51

G.726-32 Packing Mode
Jitter Buffer Type
Jitter Buffer Length
Account x -> Call Settings
Early Dial
Dial Plan Prefix
Dial Plan
FIRMWARE VERSION 1.0.0.17
users, it is recommended to use the default setting, as incorrect settings may
influence the audio quality.
Selects "ITU" or "IETF" for G726-32 packing mode.
Selects either Fixed or Adaptive based on network conditions. The default
setting is "Adaptive".
Selects Low, Medium, or High based on network conditions. The default
setting is "Medium".
Selects whether or not to enable early dial. If it's set to "Yes", the SIP proxy
must support 484 response. The default setting is "No".
Sets the prefix added to each dialed number.
A dial plan establishes the expected number and pattern of digits for a
telephone number. This parameter configures the allowed dial plan for the
phone.
Dial Plan Rules:
1. Accepted Digits: 1,2,3,4,5,6,7,8,9,0 , *, #, A,a,B,b,C,c,D,d;
2. Grammar: x - any digit from 0-9;
a) xx+ - at least 2 digit numbers
b) xx. - only 2 digit numbers
c) ^ - exclude
d) [3-5] - any digit of 3, 4, or 5
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.
GXP2140/GXP2160 USER MANUAL Page 51 of 79