DMA OperationsGuide Sites
294 Polycom, Inc.
ISDN Outbound Dialing
Override ITU
dialing rules Check this box to override the standard dialing rules,
established by the International Telecommunications
Union, when dialing out using an ISDN gateway.
The default setting, which does not override ITU dialing
rules, is usually accurate for placing outbound calls.
Enable this setting if you find that ISDN gateway calls
from registered endpoints in this site are unsuccessful.
PBX access code The code needed to access the ISDN/PSTN network
through the site’s PBX when dialing out.
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 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.
Table 11-4 Edit Site dialog box (continued)
Field Description