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mobile user part (MUP)

The Mobile User Parts (MUP) belong to the SS7 signalling and are used in GSM networks

. The User Parts (UP) are entered in the data field for the service indicator (SI). The SI data field is a 4-bit long data field in the Message Transfer Part (MTP) of the Message Signal Unit

(MSU). The Mobile User Parts are used for the exchange of signalling messages for the establishment and termination of the user channel connection. Less commonly used is the term Mobile User Part (MUP) for the mobile device, the mobile phone.

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Englisch: mobile user part - MUP
Updated at: 21.06.2011
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