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Our online glossary is here to help you make sense of the terminology used in the cell phone industry. It covers mobile technologies, such as 3G and 4G, and even includes a bit of information on smartphone operating systems and the companies that make the cell phones and other mobile technology devices we all use.

What is "HSCSD"?

HSCSD stands for High-Speed Circuit-Switched Data. It was a system used for data calls on GSM networks before packet based systems such as GPRS and EDGE became prevalent. HSCSD is variant of CSD that allows for multiple call channels to be bonded together to provide faster connection speeds. It was capable of offering speeds roughly equivalent to those offered by 56kbps dial-up modems. The system was never widely adopted outside of Europe.

Also known as: "High-Speed Circuit-Switched Data"

See Also: GSM, GPRS, EDGE, CSD, kbps

Referred to by: CSD

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