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Program *44 – BRI Service Profile Identifier (SPID) Parameters
Strata DK Programming 5/99 7-13
ISDN
Program *44 – BRI Service Profile Identifier (SPID)
Parameters
Processor Type:
DK40i, All RCTUs (Release 4.0 or higher)
Program Type:
Trunk, BRI
Initialized Default:
Blank
Program *44 Overview
BRI interfaces generally require entering an Service Profile Identifier (SPID) intialization value to
activate the interface. This program assigns the initialization interface.
When ISDN service is ordered, a SPID is issued from the carrier. A SPID usually includes a 10-
digit directory number along with additional digits, which notify the switch as to the type of
devices connected to the line and what services/features the switch is to provide.
There are three possible initialization processes, including a non-initializing terminal, one SPID,
or two SPID interfaces. These numbers are entered into the system to allow the interface to
automatically initialize the link. The type of initialization needed depends on the type of PSTN
equipment.
The basic procedure includes configuring a SPID, then the TE performs the initialization /
identification process and sends the SPID to the network. Once the SPID is confirmed from the
CO, the SPID does not have to be sent to the switch again.
BRI Trunk
Number
SPID
Type
SPID Value
DATA = SPID Type (0~2)
0 - Non-initializing trunk (NIT)
1 - one SPID for the interface
2 - one SPID for each B-channel
SEL = BRI Trunk Number Enter SPID Value (20 digits max.).
Use Button LED 01 to enter a blank.