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unstructured supplementary service data

See USSD.



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.



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unresolveduntethered
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unscrambleUnununium time
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unsolicited commercial softwareup
unstructured dataUP technology

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