USSD

(Unstructured Supplementary Service Data) A messaging function in GSM cellphones. Unlike regular text messages, USSD messages travel over GSM signaling channels and are used to query information and trigger services with the phone carrier. See CAMEL.

USSD

Acronym	Definition
USSD➣Unstructured Supplementary Service Data
USSD➣United Studios of Self Defense
USSD➣United States Society on Dams (Denver, CO)
USSD➣United States State Department

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