JPS6268340A - Terminal attribute decision system - Google Patents

Abstract

PURPOSE:To decide the attribute of a sending data terminal by providing an attribute information transmission/reception device to a line exchange and a storage device and using the attribute information transmission/reception device so as to inform the attribute information corresponding to an incoming subscriber number at the call incoming from a telephone network to the storage device. CONSTITUTION:A data terminal equipment DTE makes a call to a public telephone network PSTN according to a conventional line exchange procedure and a subscriber number 1111 assigned to the attribute information coincident with its own terminal attribute is dialed among the subscriber numbers given to the trunk TRK of a line exchange SW and the subscriber numbers given to a storage device CCE connected to the line exchange SW. In the line exchange SW, the attribute information is requested to an attribute information storage circuit REG-A corresponding to the received subscriber number 1111 to decide the terminal attribute of the call. Then the attribute information is used to acquire a model M/D1 to be used for the call, the attribute information is added to an incoming signal, an attribute information transmission/reception device CTL is used to inform the attribute information of a call incoming to the storage device CCE.

Description

[Detailed description of the invention] Fields of use on Flight 110 The present invention relates to a subscriber attribute determination method, and more particularly.

This invention relates to a method for determining the originating data terminal attributes of a data communication call received via the public telephone network in a digital circuit switch.

The public of this oak in the conventional technology? Figures 3 and 4 show the data terminal attribute determination method for data communication calls that arrive through the network.
This will be explained below using figures.

The data terminal DTE connects to the public telephone network PST via modem U.
2, the public telephone network PSTN is connected to the line switching device SW via a trunk circuit TRK.

Furthermore, a circuit switching device CCE is connected via a modem connection, and a terminal attribute detection circuit D1. Dco, . . . Dl are equipped with A.

Here, communication from the data terminal DTE to the storage equipment GIML via the public telephone network (STN) is assumed. As shown in the sequence diagram of the Manda diagram, the data terminal DTE makes a call to the public telephone @ PS'rN according to the normal circuit switching procedure and calls the subscriber number and circuit switching assigned to the trunk TRK of the circuit switching gzsw. Among the subscriber numbers given to the storage device vL (a:) connected to the device SWK, dial the number of the line with the modem that matches the modem of the own terminal, and connect the data terminal DTE and the storage device CCE. Next, in order to notify the storage station GGH of the terminal attribute information required for data reception, such as the speed and food of the originating data terminal, a call path called a hunting Yarakuta is set in advance. The character string (attribute f# information) determined by the terminal attribute detection plane IPrD/, Dco, . Equipment CC
In Ep, the attributes of the originating data terminal were determined based on the attributes of the incoming line and this hunting character, and data communication was made possible.

Problems to be Solved by the Invention However, the above-mentioned conventional data terminal attribute determination method Fi requires the data terminal user to input his/her own terminal attribute information for each call and notify it to the storage device;
Along with this, it takes time to set up a path before actual data transmission can start, and because it is necessary to set up a modem for each line of the 4-pack, splitting losses occur. death,
A large number of circuits are required, and even if the switching system Il is a digital switching device, an analog circuit is required between the storage device and the circuit switching device, so it is not possible to use a digital line interface. There were various drawbacks, including the fact that it was impossible.

The present invention has been made in view of the above-mentioned conventional circumstances, and
SUMMARY OF THE INVENTION It is therefore an object of the present invention to overcome the above-mentioned disadvantages inherent in the prior art.

Means for Solving the Problems In order to achieve the above object, the i-terminal attribute determination method according to the present invention is connected to a line switching device connected to a communication network, and to the line switching device. Composed of 5
2 on the 5-way machine, the data L of the #debug device and the line switching device I 16j! -! ] The subscriber's association number of the decimal number for one Mori is provided in the circuit 11, the circuit switching device is provided with an attribute storage circuit for the subscriber number pair, and (The device is equipped with M4 sexual information transmitting and receiving equipment, and when a call is received from the telephone network to the storage device, a call is received.) 1) Attribute information corresponding to the person's number is stored. The present invention is characterized in that the storage device is notified of the attribute information by the transmission/reception device, and the attribute of the transmitting data terminal is determined.

Embodiment Next, a preferred embodiment of the present invention will be specifically explained with reference to the drawings.

@/The figure is a block diagram for explaining one embodiment of the system according to the present invention. FIG. 1 is a sequence diagram for explaining this embodiment.

First, the present invention will be described in detail with reference to FIG. In Figure 2, data terminal DTE is connected to public telephone #4 (J3 PSTN) via modem Φ.
4PSTN is connected to line switching equipment SW via an analog line AL and one trunk circuit. Also.

The line switching device Bbw has an attribute information transmitting/receiving device jlcT via a digital data line DL and a control signal line OL.
A storage device GCE is connected via L. moreover.

Modems g/DllVD, νh with different speeds, synchronization methods, etc. are connected to the line switching device SW via a modem connection trunk IJTRK, and storage and storage! X device COE
Attribute information storage circuits RWG-A, flEG-B,
Rh and G-1 are provided.

Next, the operation of the system of the present invention will be described with reference to FIG. 1, assuming communication from the data terminal DTE via the public telephone network PSTN and the line switching device tSW. As shown in the sequence diagram in Figure 1, the data terminal DTE makes a call to the public telephone network PSTH according to the normal circuit switching procedure, and calls the subscriber number and line assigned to the trunk TRK of the circuit switching equipment SW. Among the subscriber numbers given to the storage device cch connected to the exchange fisWK, the subscriber number/number assigned to the attribute information that matches the Jifuku Song attribute
Dial /l/. The line switching device bltsW requests attribute information from the attribute information storage circuit REG-A corresponding to the received subscriber number //// and determines the terminal attribute of the call. After capturing the modem M/Dt to be used for the call using this attribute information, the attribute information is added to the incoming call signal, and the signal is sent to the storage device CCE using the attribute information transmitting/receiving device CTL. Notifies the caller of the call. The storage device 11CCE sets the attribute of the digital data line DL specified by the incoming call signal based on the attribute information received together with the incoming call signal, and returns a response signal to the circuit switching device SW. Next, in the line switching device SW, upon reception of the response signal, the modem M/D that has been supplemented in advance
Storage device # aCa and S of trunk TRK via /
By setting a communication path and returning a public telephone network PSTN K response, data communication of the stored fi[o(K) with the data terminal DTE becomes possible.

The contents of the attributes determined by this method include not only transmission speed concealment and synchronization methods for determining the modem M/D/ to be used, but also data terminal DT in storage device CCE.
It is also possible to set the Nakayarakuta code for receiving data from E, the transmission control grotocall single screen control command set, etc.

DETAILED DESCRIPTION OF THE INVENTION In accordance with the present invention, the line intersection I! The subscriber numbers for the data terminal attribute categories supported by the storage device housed in the S device are assigned by the circuit switching device, regardless of the number of NM between the storage device and the circuit switching device, and the subscriber numbers are assigned to correspond to each subscriber number. Attribute 1!14: An f# information storage circuit is provided, and attribute 1 corresponding to the subscriber number addressed at the time of call setup in the # product device.
'# The report t determines the attribute of the data terminal on the originating side depending on the circuit contents. According to φ, the user follows the circular exchange procedure and selects the subscriber number assigned to the storage device attribute that matches the own terminal attribute. By simply dialing and setting up a call, you can store your k14 characteristics +li in the storage device and immediately start data transmission upon receipt of the answer.

In addition, since the attributes /P and NI can be determined by the user number, the modem selection is changed at the time of call setup, and the storage device and palindrome (!2L system [Rini! It is possible to do this using a modem that has been used as a common equipment for analog/digital interfaces and line switching equipment.
l+t2, and the number of modem equipment can be reduced.

In addition, the number of lines is determined by the amount of traffic, and the number of subscriber numbers to be attached is determined by the storage device. Since it can hold flexible mallets that can be supported, effects such as optimal design of system equipment can be achieved.

[Brief explanation of drawings]

Figure g1 is a block diagram for explaining one embodiment of the present invention.
Figure 2 is a sequence diagram for explaining an embodiment of the present invention, Figure 3 is a block diagram for explaining the conventional terminal attribute determination method, and Diagram 3 is a sequence diagram for explaining the conventional method. be. SW...Line switching equipment, TRK...Trunk,
PSTN...Public telephone network, CCE...#MR fold (
N, C'rL... Attribute information transmission and reception, i, REG-
A, BKG-B, REG-1... Attribute information record 1: circuit, DTE... data terminal, M/D, M/D/. M/Dco, tJ/Dn...modem, MTRK...
modem trunk. Dt, Dco, Llt...terminal attribute ejection circuit %AL...
・Analog data line, LIL...digital data line, OL...control signal line

Claims (1)

[Claims] In a switching system comprising a line switching device connected to a telephone network and a storage device connected to the line switching device, a data line 1 between the storage device and the line switching device
The line switching device is provided with a plurality of subscriber numbers for books, the line switching device is provided with an attribute information storage circuit corresponding to the subscriber number, and the line switching device and the storage device are provided with an attribute information transmitting/receiving device. A terminal attribute determination method, characterized in that, when a call is received from a telephone network to the storage device, attribute information corresponding to a called subscriber number is notified to the storage device by the attribute information transmitting/receiving device.