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unstructured supplementary service data (USSD)

Unstructured Supplementary ServiceData (USSD) is a GSM protocol that exchanges information and messages between mobile terminals and the mobile radio network in a similar way to the Short Message Service

(SMS). USSD is specified in ETSI 300 625 as an unstructured supplementary service for the transmission of data with mobile terminals

. Comparable short message services are Short Message Peer to Peer (SMPP) and the Mobile Messaging Access Protocol (MMAP).

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Englisch: unstructured supplementary service data - USSD
Updated at: 16.03.2016
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