Toshiba CIX-AG-NP-VA 用户手册

Each Net Phone can be configured to follow a local Dial Plan or a Server-based Dial 
Plan. This is controlled in Net Phone’s Preferences dialog box under the Dialing Tab. 
How a person accesses outside lines and the numbers to be dialed can be fairly 
complex and is best administered using a central set of rules and a person familiar 
with the PBX and local dialing rules. Thus we recommend that a central Dial Plan be 
established, which will update all users whenever changes are made in the PBX or 
outside dialing patterns.

Each area of the US uses a different set of rules for determining which calls are local 
or long distance calls. The opening pages of your phone book are a good source for 
how to dial different numbers in your area. Your PBX administrator will also need to 
define access codes for reaching outside lines.   These pages generally define how to 
dial different areas and provide a listing of prefix codes for the local calling areas. 
Three typical examples are:

1. Phoenix, AZ – all calls within the "602", “480”, and “623” area codes are 

considered to be local calls, while all calls outside those area codes are considered 
long distance. 

2. Santa Fe, NM – calls to some office codes within the "505" area code are 

considered to be local calls, while other calls to the "505" area code are considered 
long distance. 

3. Atlanta, GA – all calls to area codes "770" are considered to be local calls while 

some calls to the "404" and "678" area codes are also considered to be local calls.

Therefore to correctly handle the dialing of numbers you should create a dialing plan.