USSD

USSD is the acronym for Unstructured Supplementary Service Data.

Unstructured Supplementary Service Data

A communications protocol that’s used by mobile phones to communicate with the mobile network operator’s computers. With USSD, mobile users interact directly by making selections from menus. Unlike an SMS message, a USSD message creates a real-time connection with each session, enabling two-way communication of information.

  • Abbreviation: USSD
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