An alphanumeric identifier that identifies the service capabilities of an ISDN device. The telephone company assigns this number.
A number that the telephone company switching equipment uses to keep track of configuration information for each terminal adapter connected to an ISDN telephone line. The telephone company should give you your SPIDs at the time they assign you your ISDN directory numbers.
The generic SPID format comprises 14 digits: the first 10 digits are the area code and telephone number of the ISDN line; the second two digits identify the switch to which the terminal device is connected; and the last two numbers identify the specific terminal device being connected on that ISDN line.
A string of digits used to connect an ISDN customer through the TELCO switch network to the RCN Network
A number or set of numbers assigned to your ISDN line by your phone company. In the U.S., one SPID is assigned to each channel. The switch uses SPIDs as unique identification numbers for each ISDN line, so it can determine where to send calls and signals.
An 8-digit to 14-digit number that identifies the services that you ordered for each B-channel. For example, when you order Primary Rate ISDN, you obtain two phone numbers and two SPIDs from your ISDN provider. Typical ISDN adapters cannot operate without configuring SPIDs. See also: Integrated Services Digital Network (ISDN); service; B-channel
A Service Profile Identifier - (SPID) is a number issued by ISDN service providers in North America that identifies the services and features of an ISDN circuit. Service providers typically assign each B channel a unique SPID. A SPID is derived from the telephone number assigned to the circuit, and in the U.S. it typically follows a generic, 14-digit format.