High Speed Circuit Switched Data

German: High Speed Circuit Switched Data
Japanese: 高速回線交換データシステム

Communications engineering. Channel bundling method used in GSM-nets for data transmission. With HSCSD a maximum data rate of 57.6 kbit/s is reached. The user gets up to three channels for data transmission. This channel bundling can be adjusted dynamically to the traffic in the net, where voice transmission has priority. HSCSD is not supported by all mobile phones.

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