JPS62137961A - Subscriber system - Google Patents

Abstract

PURPOSE:To use plural terminal equipments in the subscriber side with a transmission line having a limited information transmission speed by providing a means which controls subscriber-side terminal equipments, a memory device, and a part of a large- scale memory of an exchange. CONSTITUTION:If it is necessary to originate or terminate a call urgently in a telephone system terminal equipment 3 when a non-telephone system terminal equipment 4 is used in the subscriber side, a signal is sent from the equipment 3 to a terminal equipment control part 6. Th control part 6 uses a memory device 5 and a part of the large-scale memory of an exchange 7 to store transmission information between the exchange 7 and the equipment 4 and make it possible to originate or terminate the call in the equipment 3. If it is necessary to terminate a call urgently in the equipment 4 when the equipment 3 is used, the control part 6 uses the device 5 and a part of the large-scale memory of the exchange 7 to store a part of transmission information between the equipment 4 and the exchange 7. After the transmission speed is reduced to such degree that information transmission of the equipment 3 is not affected, the call is terminated urgently between the equipment 4 and the exchange 7. Thus, equipments 3 and 4 are used with the transmission line of limited transmission speed.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is applicable to systems that have telephone and non-telephone terminal devices and have a limit on the information transmission speed of the transmission path to the subscriber system. , relates to a subscriber system which, when one of the above-mentioned telephone or non-telephone terminal devices is in use, allows the other terminal device to be used simultaneously in an emergency.

[Conventional technology]

Conventionally, when telephone and non-telephone terminal devices are used simultaneously on a subscriber system, the information transmission speed of the subscriber system transmission path must be set to a transmission speed that allows both terminal devices to be used simultaneously. It didn't happen.

[Problem that the invention seeks to solve]

However, for subscribers who do not always have to use both telephone and non-telephone terminals at the same time, there is a drawback that the usage efficiency of subscriber transmission lines is reduced.

[Failure to solve the problem]

The subscriber system of the present invention includes a telephone terminal device, a FiI
a non-telephone terminal device whose transmission speed is slower than that of the telephone terminal device; a memory device for storing data processed by the non-li phone terminal device; and the non-telephone terminal device and the non-telephone terminal device. and connecting means for selecting one of the above and connecting to the switching means, in which the non-telephone terminal device and the switching means are connected to each other according to a request from the telephone terminal device when the non-telephone terminal device is used. A part of the information transmitted between the memory device and the memo IJ of the exchange means
- a means for enabling calls to be made or received between the telephone terminal device and the switching means by accumulating data in the telephone terminal device; By storing a part of the information transmitted between the telephone terminal device and the switching means in the memory device and the memory of the switching means, it is possible to make or receive calls between the non-telephone terminal device and the switching means. Means and bit? It is characterized by

〔Example〕

FIG. 1 shows an embodiment of the present invention. In the figure, 1 is the ↑R signal branch point between the non-telephone terminal device 4 and the memory device 5, and 2 is the connection point between the subscriber Qll and the exchange 7 (or exchange device).

A terminal device control section 6 is provided between the connection point 2, the non-telephone terminal device f4 on the subscriber side, and the memory device 5. This terminal device control unit 6 includes: In addition to both terminal devices 3 and 4 on the subscriber side,
The memory device 5 provided on the subscriber side also has an i! i control. Further, a part of the large-scale memory of the exchange 70 set in advance is controlled and used according to the instructions of the exchange 7. For example, consider a situation where a non-telephone terminal device 4 is used on the subscriber side. At this time, the telephone terminal device 3 and the memory device 5 are not used. In this state, it is assumed that the exchange 7 and the subscriber side non-telephone terminal device 4 are being used at the maximum information transmission speed of the transmission line.

At this time, the process when there is an urgent need to make or receive an emergency call from the telephone terminal device 3 will be described.

At this time, first, a signal is sent from the telephone terminal device 3 to the terminal device control unit 6, and the memory device 5 on the n1 subscriber side serves as a buffer memory for the non-telephone terminal device 4. However, since the memory device ft5 on the subscriber side cannot handle 8tk very well, the terminal ffl control unit 6 uses a part of the large-scale memory of the exchange 7 to optimize the amount of usage of the memory device 5 on the subscriber side. It is used to store transmission information between the exchange 7 and the non-speech terminal device 4. Thereafter, the terminal device control section 6 enables the telephone terminal device 3 on the subscriber side to make or receive calls.

Next, consider a case where the telephone terminal device 3 is in use and, for example, an emergency call arrives at the non-telephone terminal device 4. At this time, it is assumed that the information transmission speed of the telephone terminal device 3 is lower than the information transmission speed of the non-telephone terminal device 4. In this case, first, the terminal device control unit 6 uses the memory device 5 on the subscriber side and a part of the large-scale memory of the exchange 7, and uses part of the information transmitted between the non-telephone terminal device 4 and the exchange 7. , and the information transmission speed of the subscriber side, switch 7, and non-telephone terminal device 4 is reduced to such an extent that the information transmission of the telephone terminal device 3 is not affected. Thereafter, an emergency call is made between the non-telephone terminal device 4 and the exchange 7.

〔Effect of the invention〕

As described above, the present invention provides a memory device on the subscriber side,
It is equipped with a telephone terminal device, a non-telephone terminal device, and a terminal device control unit, and also uses part of the switching equipment or large-scale memory of the switching equipment. Both terminal devices can be used.

[Brief explanation of drawings]

FIG. 1 is a block diagram of one embodiment of the present invention. 1... Connection means, 2... Connection point, 3.
...Telephone terminal device, 4...Non-telephone terminal device, 5...Memory device, 6...
Terminal device control unit, 7... exchange. Agent: Patent attorney Susumu Hara (Volunteer to write amendments to the procedure) 61.6.27 Showa, Month, Day

Claims (1)

[Claims] A telephone terminal device, a non-telephone terminal device whose transmission speed is lower than that of the telephone terminal device, a memory device for storing data processed by the non-telephone terminal device, and the telephone terminal device, the non-telephone terminal device. In a subscriber system comprising a connecting means for selecting one of the terminal devices and connecting it to an exchange means, when the non-telephone terminal device is used, the non-telephone terminal device, means for allowing a call to be made or received between the telephone terminal device and the exchange means by storing part of the information transmitted between the exchange means in the memory device and the memory of the exchange means;
By storing a part of the information transmitted between the non-telephone terminal device and the switching means in the memory device and the memory of the switching means in response to a request from the non-telephone terminal device when the telephone terminal device is used. A subscriber system comprising the non-telephone terminal device and means for making or receiving calls between the switching means.