Yealink SIP-T2 Series Administrator's Manual page 130

Administrator's Guide for SIP-T23 & T23P & T23G IP Phones
Details of Configuration Parameters:
Parameters
dialplan.area_code.code
Description:
Configures the area code to be added before the entered numbers when dialing
out.
Note: The length of the entered number must be between the minimum length
configured by the parameter "dialplan.area_code.min_len" and the maximum
length configured by the parameter "dialplan.area_code. max_len".
Example:
dialplan.area_code.code = 010
Web User Interface:
Settings->Dial Plan->Area Code->Code
Phone User Interface:
None
dialplan.area_code.min_len
Description:
Configures the minimum length of the entered numbers.
Web User Interface:
Settings->Dial Plan->Area Code->Min Length (1-15)
Phone User Interface:
None
dialplan.area_code.max_len
Description:
Configures the maximum length of the entered numbers.
Note: The value must be larger than the minimum length.
Web User Interface:
Settings->Dial Plan->Area Code->Max Length (1-15)
Phone User Interface:
118
Navigate to:
http://<phoneIPAddress>/servlet
?p=settings-areacode&q=load
Permitted Values
String within 16 characters
Integer from 1 to 15
Integer from 1 to 15
Default
Blank
1
15