Site Topology

Field

Description

 

 

Country code

The country code for the site’s location. Click the CC button to select from a

 

list of countries.

 

To apply ITU dialing rules, the system must compare the country code of the

 

gateway site with the country code of the call’s destination.

 

 

Area code

The city or area code for the site’s location. Leading zeroes are optional. For

 

example, the city code for Paris is 01, but you can enter either 01 or 1 in this

 

field.

 

To apply ITU dialing rules, the system must compare the area code of the

 

gateway site with the area code of the call’s destination.

 

 

Always dial area code

Specifies that the area code should always be included in the phone number.

 

 

Always dial national prefix

Specifies that the national prefix should always be included in the phone

 

number.

 

 

Length of subscriber

The number of digits in a phone number. For example, in the United States

number

and other areas using the North American Numbering Plan (NANP),

 

subscriber numbers have seven digits.

 

 

ISDN Range Assignment (for DID dialing method)

 

 

Length of call line identifier

The number of digits in the Call Line Identifier (CLID), which is the dialed

 

number. The maximum is 17.

 

For example, in the United States, the number of digits in the CLID is often 7

 

for outside local calls and 11 for callers in a different area code.

 

 

Length of short phone number

The number of digits in the short form of the dialing number.

 

For example, in the United States, internal extensions are usually four or five

 

digits.

 

 

ISDN Number Ranges

The number ranges available for assignment to endpoints in the site.

 

Click Add to add a new range of numbers. Click Edit or Delete to change or

 

delete the selected range.

 

The start and end numbers in the range should be entered with the same

 

number of digits. If the range is 303-223-1000 to 1999, enter 3032231000 and

 

3032231999.

 

 

ISDN Range Assignment (for gateway extension dialing method)

ISDN gateway number

An ISDN gateway phone number for the site. This field is just for your

 

reference. It’s not used by the software to process calls.

 

If the site has more than one ISDN gateway, you’ll need to know their access

 

numbers and determine how to instruct inbound users to call.

 

 

E.164 start

The beginning of the range of E.164 extensions associated with the site.

 

 

E.164 end

The end of the range of E.164 extensions associated with the site.

 

The start and end numbers in the range should be entered with the same

 

number of digits.

 

 

H.323 Routing

 

Internet calls are not allowed

Disables H.323 calls to the internet.

Polycom, Inc.

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Polycom 3725-76302-001O manual Isdn Range Assignment for did dialing method, Routing