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JPH02256394A |
PURPOSE: To enable reporting to a police station or a fine station of an emergency state quickly by providing an emergency call setting processing means releasing forcibly an information channel during communication and using the channel...
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JPH02246596A |
PURPOSE: To prevent the occurrence of data error by delaying feed till the completion of connection of all reception lines and transmission lines to prevent a momentary current independent of transmitted/received data from being induced....
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JPH02246594A |
PURPOSE: To perform individual discrimination with a small number of signal lines by automatically sending a fixed mark code determined for each telephone set for a certain time at the time of on-hook and off-hook and discriminating the ...
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JPH02246595A |
PURPOSE: To prevent the occurrence of data error by separating a DC signal for feed and an AC signal for transmission/reception by feeding circuits and feeding a terminal load circuit while preventing the DC signal for feed from flowing ...
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JPH02120981U |
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JPH02222242A |
PURPOSE: To attain the communication not through a trunk line in the communication between extensions by discriminating whether a communication opposite party is an extension or an external line in a terminal adaptor and connecting the a...
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JPH02217032A |
PURPOSE: To attain the prescribed kind of broadcasting through an optional line without applying restriction due to wiring by combining a line connecting means for connecting one telephone set among shared telephone sets to another telep...
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JPH02217048A |
PURPOSE: To control the terminals of shared lines by means of two lines the same as a single line requiring no earth line by using a standard telephone set by providing the adaptor with a called party part for generating a false bell sig...
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JPH02213297A |
PURPOSE: To improve the efficient use, economy and space saving capability of an interface channel by executing protocol conversion between plural basic interfaces, which constitute a multi-line hunting group by the same number, and a te...
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JPH02211795A |
PURPOSE: To improve the resolution for detecting individual call and off-hook by making a current change quantity of a line equal to the same line call and other line call. CONSTITUTION: A central control section 31 discriminates whether...
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JPH02198294A |
PURPOSE: To improve the working rate of a private switched network by equipping a subscriber interface network with a protocol converter to convert or inversely convert an incoming call received in the subscriber interface for an ISDN in...
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JPH0234559B2 |
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JPH02196595A |
PURPOSE: To attain communication between subscriber's terminal equipments by providing a connection controlling between an ISDN digital line connector and plural terminal equipments and setting a subscriber's exclusive packet. CONSTITUTI...
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JPH02192397A |
PURPOSE: To avoid a service impossible state when a commercial power source is disconnected by directly connecting either an S bus or a T bus of an ISDN basic access interface to a subscriber's line. CONSTITUTION: When the commercial pow...
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JPH02192398A |
PURPOSE: To avoid the concentration of calls in a specific terminal group having the same sub address by arbitrarily changing the sub address. CONSTITUTION: An S/T bus monitoring part 32 monitors an incoming number sequence received from...
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JPH02188042A |
PURPOSE: To eliminate the need to fix a master station and to enable an optional station to serve as a master station by allowing a terminal which calls first to operate as a one-side terminal (master station) in 1:N communication. CONST...
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JPH02186740A |
PURPOSE: To recognize the using state of a present bus before a communication equipment executes a calling processing by detecting and outputting the using state of the bus by means of an OR output in an OR means. CONSTITUTION: While TE ...
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JPH02179193A |
PURPOSE: To prevent an erroneous connection by adding information for setting the attribute of a terminal to be brought to incoming as a telephone terminal to incoming notice information, when the attribute of the terminal to be brought ...
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JPH0230620B2 |
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JPH02174495A |
PURPOSE: To attain non-telephone data communication such as picture transmission reception by detecting a specific signal in 16 k bit D-channel, using two 64 k bit B-channels so as to make communication with other digital multi- function...
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JPH02171097A |
PURPOSE: To improve the utilizing efficiency of a digital line and terminal equipments at sender and receiver side and to improve the reliability of communication by using other terminal equipment in deputy of a terminal equipment having...
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JPH0228938B2 |
PURPOSE:To attain the extension transfer by returning the signal on an up-bus line to a down-bus line in a main transmitter. CONSTITUTION:A follower transmitter 2i transmits an extension transfer start request signal to a main transmitte...
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JPH02161890A |
PURPOSE: To use a selective incoming function to a specific terminal by executing simultaneously an incoming processing by a broadcasting format to all fundamental interfaces coordinated to an ISDN number against an incoming call to the ...
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JPH02155333A |
PURPOSE: To eliminate the need for the management of a subaddress of each destination terminal equipment by giving dialing without designating the subaddress and displaying the destination subaddress and the information of each terminal ...
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JPH02150192A |
PURPOSE: To easily discriminate who has placed a telephone call to whom by discriminating transmission source number information, comparing number information stored beforehand with the discriminated transmission source number informatio...
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JPH02145092A |
PURPOSE: To utilize an excess bit rate in each B-channel effectively and to improve the utilizing efficiency of a line by making a packet form data terminal equipment subsequent to a line exchange data terminal equipment of B1 and B2 cha...
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JPH02143626A |
PURPOSE: To execute same data communication with plural data terminal equipments quickly and accurately by adopting the constitution such that lines between plural data terminal equipments are connected simultaneously by a command from a...
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JPH02141093A |
PURPOSE: To connect an arbitrary terminal, etc., connected to an extension to a multiplexing means and to expand the degree of freedom in communication by connecting plural extensions with the multiplexing means by the exchange processin...
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JPH02121450A |
PURPOSE: To connect a call of a communication terminal equipment relating to a call requiring emergency with priority by releasing a call of a communication terminal equipment relating to a blocking state even if a channel is busy when a...
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JPH0220038B2 |
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JPH0220039B2 |
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JPH02113794A |
PURPOSE: To execute the monitor of D channel easily and at low cost by connecting a D channel monitor unit to a D-channel data separating circuit. CONSTITUTION: To subscriber circuit 101, a D channel data inserting circuit 111 to input t...
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JPH02113745A |
PURPOSE: To prevent disable communication even if polarity of a framing bit (F bit) collides by inverting a polarity of a pulse of a transmission signal when opposite polarity of a pulse of a reception signal is detected and sending the ...
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JPH02108355A |
PURPOSE: To easily discriminate the type of a line for an incoming call by retrieving the type corresponding to an incoming call line, and annunciating whether the line is of an analog public network or of a digital public network. CONST...
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JPH0297193A |
PURPOSE: To improve the usability of communication and the effectivity of channel use by providing a means to give a priority to communication from respective terminals to a sub address, which is respectively allocated to the plural term...
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JPH0294797A |
PURPOSE: To attain economy and remote control by connecting plural subscribers serially to a telephone terminal equipment and inserting or extracting only a voice and control code of a channel corresponding to each subscriber. CONSTITUTI...
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JPH0294730A |
PURPOSE: To attain multi-point constitution with simple constitution by providing a means absorbing a data bit phase difference between two B-channels and connecting terminal equipments in series through the B-channel via a switch. CONST...
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JPH0294798A |
PURPOSE: To designate plural terminal equipments within a specific range simultaneously by controlling the reply when noncoincident character is a character between caller and called terminal equipments in advance even if an incoming sub...
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JPH0290768A |
PURPOSE: To continue a service by switching to the service of a general telephone sat in the power failure of a commercial power source in a customer system by switching an ISDN terminal and the general telephone set corresponding to the...
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JPH0286391A |
PURPOSE: To attain mutual communication without an ISDN network between plural terminal equipments when a terminal equipment is not in the communication state with a network terminal equipment by providing a relay loopback device having ...
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JPH0279698A |
PURPOSE: To perform communication between ISDN terminals housed in the same NT(network terminal) as permitting the use of another ISDN terminal by attaching a function to fold both up and down signals on a channel B in the NT, and a fold...
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JPH0253397A |
PURPOSE: To simplify a structure by making the 1st subcircuits consist of two part circuits which are mutually connected through the 2nd interfaces and forming a binary receiving signal for the 2nd interfaces from a signal of a transmiss...
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JPH0224661U |
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JPH0247994A |
PURPOSE: To connect a terminal equipment without provision of a function sending a PB signal automatically by discriminating the kind of equipment when a call request comes from the terminal equipment, sending the PB signal and designati...
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JPH0247995A |
PURPOSE: To relieve the load of a software processing and to improve the reliability by incorporating a function of a network terminal to a home bus controller and connecting a telephone line to a home bus at all times. CONSTITUTION: The...
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JPH0243846A |
PURPOSE: To select a data terminal equipment not by manual operation by providing a suppression control means suppressing the communication between the terminal equipment and a line after a communication request comes from one terminal e...
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JPH0239795A |
PURPOSE: To control the priority of an incoming call for each terminal interface by setting the priority of a response according to the other party from which the incoming call is transmitted for each terminal interface and delaying the ...
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JPH0239796A |
PURPOSE: To inhibit a terminal, which is in a time zone where it is undesirable that the terminal receives a call, from receiving the call by previously registering the call receivable time of day for each terminal interface and rejectin...
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JPH0231593A |
PURPOSE: To notify line wire incoming call sounds as individual audio messages of each telephone set by providing a sound recording and reproducing device connected to telephone set connecting ports of a main device. CONSTITUTION: A soun...
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JPH0229197A |
PURPOSE: To make the title system into the multifunctional one by transmitting a busy state message to an interruption calling side for a call signal received during a busy state and receiving and displaying transmitted busy state messag...
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