What is Unstructured Supplementary Service Data (USSD)?

Question

20 Mar 2023

Answer :

Word Count : 376

Unstructured Supplementary Service Data (USSD) is a protocol used to communicate with mobile network operators (MNOs) to provide text-based communication between a mobile device and an application server. It is a technology used to transmit information between a mobile phone and an application server in real-time. USSD is used to provide services such as mobile banking, prepaid mobile account top-ups, and other interactive services.

USSD is different from SMS (Short Message Service) and MMS (Multimedia Messaging Service) in that it does not use a store-and-forward mechanism for messages. Instead, it uses a session-based approach, ______ ________ ________ ______ __________ __________ _____ _________.
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