EP2093985A1
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Method for operating a telephone system with at least two telephone terminals and telephone terminal for implementing the method
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Method for forwarding a request of connection as well as telecommunication system
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Method for establishing a communication connection for group calls with transmission of status messages to the calling party
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Method for establishing a communication connection and telecommunications system for implementing the method
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Accessing call lists of called subscribers
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Method for displaying process information for a data processing facility and data processing system
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Handset for a broadband telecommunications system
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Method for operating a voice mail system
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Communication network and method for storing message data in a communication network
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Method for acquiring information from a database
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Method for transmitting a connection request and telecommunications installation
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Method for transmitting data via the DECT air interface
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