Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate
1998-04-22
2001-11-13
Legree, Tracy (Department: 2681)
Telecommunications
Radiotelephone system
Message storage or retrieval
C455S561000, C455S414200, C455S426100, C455S466000, C455S566000
Reexamination Certificate
active
06317591
ABSTRACT:
FIELD OF THE INVENTION
The invention relates to a telephony device comprising a base station connected to the switched network, at least a subscriber unit and at least a communication element of the responder type, notably linked with the base station which has a management element formed, inter alia, by a processor assembly, by a memory containing an execution program and by a random-access memory.
The invention likewise relates to a method used in such a telephony device and also relates to a subscriber unit suitable for such a telephony device.
The invention finds interesting applications in telecommunication systems implying protocols which is notably the case with telephony devices satisfying the DECT standard, for example.
BACKGROUND OF THE INVENTION
The telephony devices of this type very often comprising numerous subscriber units offer more and more functions to the user. One of these functions is that of the responder which makes it possible to receive and transmit messages for those who call and which authorize the return of messages to the user at his request.
A problem posed with this type of device is for the user who may be located far from the base station to know whether he has messages. The user may also have the need to make an announcement and thus desires to know whether his responder is available. This problem is all the more serious when one faces devices that satisfy the DECT standards which may thus comprise a large number of subscriber units.
SUMMARY OF THE INVENTION
The present invention proposes a device of the type defined in the opening paragraph which permits a user to manage in an easy fashion the accesses to the responder inserted into the base station.
Therefore, such a device is characterized in that data about the state of the communication element is broadcast to all the subscriber units.
The idea of the invention consists of utilizing the possibility of broadcasting data to all the subscriber units so as to make known to them the state of their responder and, possibly, communicating with them.
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Graver Charles
Halajian Dicran
Legree Tracy
U.S. Philips Corporation
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