DMA OperationsGuide Sites
270 Polycom, Inc.
Length of
subscriber number
The number of digits in a phone number. For example,
in the United States 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 Th e 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.
Allowed via
H.323-aware firewall
Allows H.323 calls to the internet through a firewall.
Table 11-3 Add Site dialog box (continued)
Field Description