COMMUNICATION SYSTEM

PROBLEM TO BE SOLVED: To automatically realize transmission to a destination station outside a group from a transmission impossible terminal outside the group in a terminal environment where group security service is set. SOLUTION: A call is made (102) to a terminal F outside the group from a termin...

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Bibliographische Detailangaben
Hauptverfasser:	KOUNOE TOSHIAKI, SAGIYA YOSHIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY SELECTING TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To automatically realize transmission to a destination station outside a group from a transmission impossible terminal outside the group in a terminal environment where group security service is set. SOLUTION: A call is made (102) to a terminal F outside the group from a terminal A which is the terminal unable to make the call to places outside the group, When an error message that the terminal F is not in the group is received at the terminal A (approval decision in 110), the number of a terminal (terminal D) which can make the call to places outside the group in the same group is read (120) from a memory, and repeating transmission to the terminal F is requested to the terminal D (124). When the repeating transmission is permitted in the terminal D (approval judgement is executed in 126), image information is transmitted (130) to the terminal D and the repeating transmission to the terminal F is realized.