METHOD TO MAINTAIN END-TO-END ENCRYPTED CALLS THROUGH A TETRA TMO-DMO GATEWAY WHEN USING SUPER GROUPS

METHOD TO MAINTAIN END-TO-END ENCRYPTED CALLS THROUGH A TETRA TMO-DMO GATEWAY WHEN USING SUPER GROUPS

A method for communicating end-to-end encrypted super group information is provided. Temporary address data, which identifies a temporary address on which the super group is to communicate, is transmitted from a gateway to a back-to-back communications device using a direct mode or data message. The...

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Bibliographische Detailangaben
Hauptverfasser: WEALLEANS, MARK J, DIAO, HUI, PEDERSEN, KRISTIAN GRONKJAER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:A method for communicating end-to-end encrypted super group information is provided. Temporary address data, which identifies a temporary address on which the super group is to communicate, is transmitted from a gateway to a back-to-back communications device using a direct mode or data message. The back-to-back communications device retrieves an encryption key associated with the temporary address and uses the encryption key to decrypt super group information sent from a networked communications device on the temporary address. The back-to-back communications reverts back to its original encryption key when super group communications are terminated.