In communications, Circuit Switched Data (CSD) (also named GSM data) is the original form of data transmission developed for the time-division multiple...

between calls. Public switched telephone network (PSTN) B channel of ISDN Circuit Switched Data (CSD) and High-Speed Circuit-Switched Data (HSCSD) service in...

A virtual circuit (VC) is a means of transporting data over a data network, based on packet switching and in which a connection is first established across...

communications, a PDN is a circuit- or packet-switched network that is available to the public and that can transmit data in digital form. A PDN provider...

call. Two circuit-switched data protocols are defined in the GSM standard: Circuit Switched Data (CSD) and High-Speed Circuit-Switched Data (HSCSD). These...

consisted of the circuit-switched core network, used for traditional GSM services such as voice calls, SMS, and circuit switched data calls. It was extended...

was invited to Japan to lecture on packet switching. Clarke, Peter (1982). Packet and circuit-switched data networks (PDF) (PhD thesis). Department of...

other GSM technologies which deliver data services: circuit-switched data (CSD) and high-speed circuit-switched data (HSCSD). In contrast to the shared...

enterprise data networks. A leased line, private circuit, or dedicated circuit, is a circuit that is dedicated to only one use and is typically not switched at...

follow much the same pattern as voice services and conceived end-to-end circuit-switched services, known as the Broadband Integrated Services Digital Network...