DE2919544A1 - INDIRECTLY CONTROLLED PABX, IN PARTICULAR TELEPHONE EXTENSION, WITH A CENTRAL CONTROL UNIT AND WITH DATA TRANSFER FROM PARTICIPANTS AND OTHER DEVICES BY PUTTING IDENTITIES - Google Patents

Abstract

Comparators to control the comparison of the identity codes with the stored subscriber-specific or terminal-specific codes are assigned to the central control unit (ZS1). If they agree, and depending on the absence or presence of an additional, subscriber-specific or terminal-specific stored note bit, they control the storage or deletion of this note bit. Depending on the presence of the note bit, for every interrogation for setting up or rerouting a connection, information corresponding to all authorisations, or to only a part, is transmitted to the central control unit (ZS1). In this way, a change of authorisations can be controlled from the terminal, by plugging in means of identification. <IMAGE>

Description

Indirectly controlled switching system, in particular

PBX, with a central control unit and with a data transmission from subscriber stations and other terminals by plugging of means of identity.

average.

The invention relates to an indirectly controlled switching system, in particular telephone private branch exchange, with a central control unit, the at least a working memory, a program memory and a data memory for processing of mediation processes in connection with the establishment, reversal and cancellation of telephone connections are assigned, the memory being the respective temporarily records the required state information while the program memory and the data store the other changeable and unchangeable information saves and continues to exchange switching technology for the Connection establishment via the speech path coupling network serving data, address and Control commands between for different tasks - for example for querying of subscriber circuits, for control, setting and that Holding the crosspoints, for querying elective sentences and in each case for the information and command exchange with connection sets of the same type - provided, separate Partial controls and the central control unit at least one data transmission line bundle and one assigned to this transmission line bundle, the uniqueness and connection-related Allocation and connection device ensuring transmission of the information is arranged and where the subscriber stations and other terminals, in particular data terminals, queryable, individual when establishing, redirecting and canceling connections respectively.

group-specific storage spaces for authorization identification and information for. Special connection options are assigned and where controllable at the subscriber stations and terminals by plugging in identity means Reading means and data transmission means are arranged and wherein the data transmission means transferred identity code for checking the authorization from the central control unit are verifiable.

DE-A5 P 26 47 404 already has a centrally controlled telephone exchange system, in particular a centrally controlled private branch exchange, described in a speech path coupling network and for the exchange of switching technology, data transmitted via the speech path coupling network to establish the connection, Address and control commands, between for different tasks, for example for querying control devices and for dialing and / or connection sets Connection status individually changeable and not connection status individually Changeable data memories, as well as data transmission line bundles that enable the exchange of information are provided. There are also several there various partial controls present, for example a partial control for subscriber circuits, a partial control for the office records, a partial control for dialing memory records, a partial control for the operator telephone with connection sets, as well as separate partial controls for special facilities. The connection of the data exchange æs er deaDixe transmission line network and connection sets upstream of the central control unit.

DE-PS P 21 43 410 also already has a circuit arrangement for a telephone system with authorization storage means for an existing one Connection involved, calling and called connection points known at the depending on a respective authorization identifier on the connection participating connection points when establishing a connection the corresponding authorization storage means be switched on. Depending on a switch from voice transmission to Data transfer, it is possible to change authorizations at a central point. When switching back to voice transmission by controlling the corresponding switches retention of the original authorization is possible.

Furthermore, terminals are known that read ID cards and the transmission of the corresponding data to a central evaluation device enable. Depending on the transmitted identity code is then a Data entry possible. Intervening in the telephone system with the transmitted However, data is not provided here. (Essay "Telephon-Terminals, a new one Art of telephones "by Victor Konle, Siemens-Zeitschrift 46, 1972, issue 4, pages 210 - 212) The object of the present invention is to provide the possibility to create from a subscriber site baw, an end device to change the participant-specific authorizations when leaving the room and restore the original authorizations in the event of renewed presence, whereby the transmission of identity codes on the one hand precludes abuse and on the other hand be used to trigger the change in authorization should.

This is achieved in that the central control unit makes a comparison the identity code with the stored subscriber or terminal device-specific Identifier controlling comparison means are assigned, which when there is agreement and depending on the absence or presence of an additional participant or memory bits stored individually for each end device, the storage or the deletion control this memory bit and depending on the presence of this memory bit or the lack thereof for each query for a production or reversal of a Combination of all authorizations or only part of a limited authorization corresponding information to the central control unit for establishing the connection or change of direction are transmitted.

This makes it possible to use existing switching means and devices, in particular by taking advantage of the existing central control unit and the one there existing storage means possible by storing or deleting a memory bit change the effectiveness of certain permissions. For initiating change the authorization is read and transferred with the insertion of identity means caused by identity marks and only if stored, subscriber-specific or terminal-specific identifier with the transmitted Identity identifier a change in authorization or a change in authorization caused.

According to a further embodiment of the invention, the comparison is the Identity identifier and the storage or deletion of the memory bit in addition possible data transmission from the subscriber station or from the terminal and the like Identification in the central control unit continues to be a distinctive identification transmission from the subscriber station or

can be initiated from the terminal to the central control unit and by means of additional, mechanical or electronic or magnetic or optical Signals from evaluating means controllable.

In this way it is possible to control the subscriber station or the terminal also for the transfer of other data using the means of identity to be used with. The additional transfer of license plates, which means the change in authorization or back changes are ensured by means of additional, mechanical or

evaluating electronic or magnetic or optical signals Funds generated. In this way, there is also a Possibility to change authorizations or to change them back.

An exemplary embodiment of the invention is described below. In the figure is a centrally controlled telecommunications switching system, in particular Telephone exchange system, with a central control unit and with partial controls shown, for a complete system description of DE-AS 26 47 404 taken can be. All important institutions are in this German interpretative document such a centrally controlled telecommunications switching system, in particular a private branch exchange, and also the cooperation of these institutions in the establishment of telephone connections described.

An embodiment of the invention is applied below in the aforementioned, centrally controlled telecommunications system, in particular telephone branch exchange, described, but it should be noted that the only requirement here the possibility of evaluating transmitted data and comparing it with stored information Requirement for the use of means of identity and the transmission of identity codes and their evaluation is, i.e. that the application is not restricted to this system is, but in other telephone systems, for example with digital transmission the license plate can be used rust.

Prerequisite for the use of means of identity for control a change in authorization are subscriber stations and assigned to the subscriber stations Subscriber stations and possibly other terminals with a built-in Reader for ID cards of the same or different format. On such ID cards can contain data in the form of perforations and / or magnetic storage strips get saved. The identification card is used for identification in a known manner of the user, i.e. it is, for example, controlled by the receiving central controller ZS1 checked whether the user has authorization at the relevant subscriber station or to carry out a data transfer on the terminal. With the insertion of the ID card or data card is mechanically or electronically or

magnetically or optically a signal at the subscriber station or at the terminal triggered, creating a connection when the receiver is on-hook Subscriber station or this terminal with a free house record, e.g.

HS1, is produced, over which the data to the central control unit ZS 1 are transferable.

After connecting the occupied, free house record HS 1 will transmit an acknowledgment character to the subscriber station or to the terminal, whereby the transfer of the data stored on the ID card and the forwarding of this Data on the house record e.g. HS 1 and the central control unit ZS 1 is initiated. That central control unit ZS1 determines on the basis of the received data that it is Identity identifier acts and activates existing comparison means for comparison the received identity identifier with the stored subscriber or terminal-specific Identifiers either in a memory assigned to the central control unit or stored in a memory assigned to a sub-control, e.g. TSt are.

Only if they agree is dependent on the lack or the Presence of an additional participant or device-individually stored Memory bits the storage or deletion of this memory bit from the comparison means controlled.

A memorized bit means either that all authorizations of the participant are fully effective or that only part of the authorizations or no permissions should be in effect. The same can of course also through the absence of the memory bit must be stated. Depending on the presence of this Memory bits or

its absence and the present transmission of identity codes the memory bit is deleted or

the memory bit is written in. This means, for example, that if all authorizations are available and the memory bit is saved through the transfer the identity identifier a deletion of the memory bit and thus a change in the effective authorizations. It will only be a part or there will be none Permissions made more effective.

After this change in authorization, a new transfer of identity codes is carried out made and again a match with the stored participant or terminal-specific identifier is determined by the comparison means The storage of the memory bit again causes all authorizations again to switch effectively.

But should now also the normal, known data transmission Data facilities of the telephone system after checking transmitted identity codes be possible, it must, in deviation from the above, also mechanically or electronically or magnetically or optically conveyed an additional signal will.

This signal can of course be triggered by pressing a additional number key or another function key or a key at the subscriber station or at the terminal.

From the foregoing, then, it can be seen that the comparison of the identifiers and the storage or deletion of the memory bit if data transfer is also possible from the subscriber station or from the terminal and corresponding identification in the central control unit still from a differentiating license plate transmission can be initiated from the subscriber station or from the terminal to the central control unit and by means of additional, mechanical or electronic or

magnetic or optical signals evaluating means controllable is.

2 claims 1 figure

Claims (2)

Claims 1. Indirectly controlled switching system, in particular Telephone private branch exchange, with a central control unit, the at least one Main memory, a program memory and a data memory for the processing of Mediation processes in connection with the establishment, reversal and cancellation of connections are allocated, with the RAM the respectively required Temporarily records state information while the program memory and the Data storage that stores other, changeable and unchangeable information and furthermore for the exchange of switching-oriented, for the connection establishment data, address and control commands between for different tasks - for example for querying subscriber circuits, for controlling, setting and maintaining the crosspoints, for querying of optional sets and for the exchange of information and commands with connection sets of the same type - provided, separate sub-controls and the central control unit at least one data transmission line bundle and one of this data transmission line bundles assigned the uniqueness and connection-related transmission of the information ensuring allocation and connection device are arranged and wherein the subscriber stations and other terminals, in particular data terminals, during manufacture, reversal and cancellation of connections queryable, individual or group-specific Storage spaces for authorization labels and information for special connection options are assigned and where at the subscriber stations and terminals by plugging reading means and data transmission means controllable by identity means are arranged and wherein the identity tags transmitted by the data transmission center q to the test the authorization can be checked by the central control unit, d u r c h g e k E n n z e i c h -n e t that the central control unit compares the identity code with the stored subscriber or terminal-specific identifiers Comparison means are assigned which, when there is agreement and as a function the absence or presence of an additional subscriber or terminal-specific saved memory bits control the storage or deletion of this memory bit and depending on the presence or absence of this flag bit with every query for a production or Rerouting of a connection for all authorizations or only a part, one restricted authorization corresponding information to the central control unit for the connection establishment or redirection are transmitted. 2. Indirectly controlled switching system according to claim 1, d a d u r e k e k e n n n z e i n e t that the comparison of the identifiers and the storage or deletion of the memory bit if data transmission is also possible from the subscriber station or from the terminal and corresponding identification in the central control unit still from a differentiating license plate transmission can be initiated from the subscriber station or from the terminal to the central control unit and by means of additional, mechanical or electronic or magnetic or optical signals evaluating means controllable is.