Unstructured service supplementary data is a global system for mobile communication (GSM) protocol used to send messages and text files. You can understand USSD as an (SMS) short message service that you get with every telecom sim number. USSD (Unstructured Supplementary Service Data) codes are codes that are programmed into your mobile number or sim … Continue reading What Is USSD Code? – How Unstructured Supplementary Service Data Works?
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