ADTRAN 1204006L1 Instrukcja Użytkownika Pobierz pdf (Strona 110)

94 FSU 5622 ESP User Manual 61200.175L1-1

Chapter 9. Configuring Dial Backup Options

PHONE NUMBERS

The FSU 5622 ESP stores up to 5 numbers of 36 digits each. Edit

a phone number by reentering the entire number. This process

overwrites the previously stored number.

ISDN Dial Backup

Setting the Service Profile Identifier (SPID)

For ISDN dial backup, the service profile identifier (SPID) is

stored in Stored Number 6. The SPID is a sequence of digits

identifying ISDN terminal equipment to the ISDN switch when

more than one ISDN set has been attached to the same central

office line. The SPID is assigned by the telco when the ISDN line

is installed and normally resembles the phone number.

Only the AT&T 5ESS switch is capable of recognizing a point-to-

point configuration, eliminating the need for a SPID. All other

switch types require a SPID.

Setting the Local Directory (LDN) Number

For ISDN dial backup, the LDN is stored in Stored Number 7.

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ADTRAN 1204006L1 Instrukcja Użytkownika Strona 110