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A session border controller (SBC) is a network element deployed to protect SIP based voice over Internet Protocol (VoIP) networks. Early deployments of SBCs were focused on the borders between two service provider networks in a peering environment. This role has now expanded to include significant deployments between a service provider's access ...
A single-board computer (SBC) is a complete computer built on a single circuit board, with microprocessor(s), memory, input/output (I/O) and other features required of a functional computer. Single-board computers are commonly made as demonstration or development systems, for educational systems, or for use as embedded computer controllers .
After the merger with SBC, AADS did business as the SBC Network Access Point or SBC/AADS NAP. Ameritech logo, 1984–1993 Ameritech's final logo, 1993–2002. Prior to its merger with SBC Communications, Ameritech's corporate headquarters were in a leased space above the Chicago Mercantile Exchange on floors 34 through 39 of 30 S Wacker Dr ...
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Prodigy Communications, L.P. Prodigy Communications Corporation was an online service from 1984 to 2001 that offered its subscribers access to a broad range of networked services. It was one of the major internet service providers of the 1990s. The company claimed it was the first consumer online service, citing its graphical user interface and ...
Direct-access block device (e.g., magnetic disk) SBC Direct Access Commands: SCSI Block Commands (SBC) 01h: Sequential-access device (e.g., magnetic tape) SSC Sequential Access Commands: SCSI Stream Commands (SSC) 02h: Printer device: SSC Printer Commands: SCSI Stream Commands (SSC) 03h: Processor device: SPC Processor Commands: SCSI Primary ...
The Pacific Bell Telephone Company (Pac Bell) is a telephone company that provides telephone service in California. The company is owned by AT&T through AT&T Teleholdings, and, though separate, is now marketed as “AT&T”. The company has been known by a number of names during which its service area has changed.
Feature Group A. The original implementation, in which a user has to dial the local telephone number of a provider's gateway, followed by (usually) a password, then the desired long-distance number. There is a different local access number in each local calling area. This requires no special capability at the local telephone company office as ...