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Telecommunications

USSD – Why Does It Matter

USSD is a means for conveying brief messages through an unstructured supplementary services data channel. This particular protocol is utilized by GSM networks worldwide. A compressed USSD message is able to facilitate live interaction between a mobile gadget and additional external gadgets, like a network or server. The upper limit of characters it can contain falls between 140 to 182. The USSD operates in a similar way as the SMS; yet, the user’s device does not retain the messages. To utilize this functionality, individuals can input a numerical value, succeeded by an asterisk, such as the string “*123#”.

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