ADTRAN ATLAS 550 Manual de usuario descargar pdf (Pagina 154)

Chapter 11. Dial Plan

11-12 ATLAS 550 User Manual 61200305L1-1

If the incoming number is ten digits, but with a different area code, it is for-

warded to the network as ISDN-National preferred.

ISDN-N

ATIONAL

DMS R

ESERVED

PREFERRED

Ignores the incoming numbering plan and type andsubstitutes the ISDN/

Telephony numbering plan and National number type. Ten digits are sent

to the network. Leading ones, if present, are stripped out and the area code

set in global parameters is added if only seven digits are supplied. This

action may be required in areas with ten-digit local dialing.

ISDN-N

ATIONAL

IALED

Sends the digits provided as National number type.

STRIP MSD

Write security: 3; Read security: 5

Strips a selected quantity (choose from N

ONE

, 1, 2,and3)oftheMostSignif-

icant Digits (MSD) of a dialed number prior to being forwarded out of the

port.

Example:

A network port could be set to accept all calls beginning with 9 (9$), and

then with S

TRIP

MSD set to 1, all digits would be sent toward the network

except the leading 9.

When S

WITCH

YPE

is set to 4ESS, many installations require the

National form where possible; this may also be the preferred form in

10-digit calling areas.

TRIP

MSD does not affect C

ALL

CCEPT

criteria. All of the digits

(including the MSDs that are subsequently stripped) are used as

accept criterion.

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ADTRAN ATLAS 550 Manual de usuario Pagina 154

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