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user data header (UDH)

The User DataHeader (UDH) is the initial label of a Short Message Service (SMS). This initial header contains the identification whether a short message is interpreted as a ringtone or as an Enhanced Messaging Service

(EMS). The User Data Header is described in the ETSI standard GSM 03.40.

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Englisch: user data header - UDH
Updated at: 15.05.2011
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Translations: DE