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JP2507609B2 |
PURPOSE:To suppress an influence at a minimum when a fault is generated by separating a layer 1 termination equipment from a layer 2 termination equipment. CONSTITUTION:When the fault is generated by any cause in the layer 2 termination ...
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JPH08125771A |
PURPOSE: To connect plural different kinds of terminals with a pair of analog subscriber lines in parallel by making other terminal receiving a matching signal a calling termination waiting state and making the terminal matching with a s...
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JPH0834623B2 |
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JPH0828773B2 |
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JPH087726Y2 |
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JPH0821993B2 |
PURPOSE:To execute circuit connection at an information channel unit by detecting an information channel to use an incoming number from a signal channel, referring to an incoming number control table, an information channel using control...
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JPH0821955B2 |
A method of sampling marks on a transmission line and adjusting their peak amplitude to compensate for attenuation of signal strength on the line and of "voltage addition" caused by multiple terminals transmitting on the line. For networ...
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JPH0817426B2 |
PURPOSE:To surely attain an incoming call by controlling the transmission of a reply with respect to the incoming call at a terminal equipment based on the result of discrimination as to whether or not the incoming call informed from the...
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JPH0846615A |
PURPOSE: To simplify functions and circuits of a network terminator (NT) and to improve the operation reliability when a terminal equipment (TE) is in use by integrating the TE sending/receiving a signal of a frame structure for a point ...
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JPH089023A |
PURPOSE: To avoid deterioration in speech quality by detecting an on-hook state or an off-hook state at an extension terminal depending on the result of comparison between a specific reference voltage and a terminal voltage of the extens...
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JPH07123272B2 |
PURPOSE:To constantly obtain an optimum equalizing and amplifying characteristic for every channel by dynamically controlling the characteristic parameter of an equalizing amplifier according to a phase difference detected by a phase dif...
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JPH07110025B2 |
PURPOSE:To connect a telephone to various wire broadcast telephone systems or the like to enable speech by setting the classification of the dial signal, the signal control system, and a recognition number in accordance with an exchange ...
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JPH07105827B2 |
PURPOSE:To simply constitute the sub-network without providing a private exchange, etc., by regulating a virtual hierarchical relation between respective terminal equipments connected to a communication network, and constituting the sub-...
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JPH0795864B2 |
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JPH0795786B2 |
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JPH0793630B1 |
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JPH0779376B2 |
PURPOSE:To designate a destination terminal equipment only with revision of an address section only by specifying an SAPI value for extension communication newly, setting an extension communication TEI value to each terminal equipment an...
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JPH07212380A |
PURPOSE: To obtain a communication system which is improved in efficiency, a network terminating unit to be used in the communication system, and terminals to be connected to the communication system. CONSTITUTION: At the time of establi...
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JPH0748775B2 |
In a management system for managing a plurality of terminal endpoint identifiers which are to be assigned to terminal equipment units, an up-down counter is selectively operable in a count-up mode and a count-down mode to count the numbe...
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JPH0736631B2 |
PURPOSE:To integrally control plural loads high in response speed by an optional pattern by setting a control mode to a pattern control mode and transmitting the control data of a terminal equipment group to which the integrally pattern ...
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JPH0736573B2 |
Various boards on which are laid down circuits (24, 26, 28, 30, 32) providing functions of a Digital Subscriber Terminal (DST) of an Integrated Services Digital Network (ISDN) are integrated in a personal computer (PC). The boards of the...
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JPH0795628A |
PURPOSE: To provide an ISDN terminal adaptor which informs the stations other than its own station and the opposite party station of the contents of data communication. CONSTITUTION: When its own station and the opposite party station ar...
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JPH0730686A |
PURPOSE: To provide the customer station communication system with good extendability without necessitating the private exchange on the communication system such as extension lines in the user private network (customer station network) C...
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JPH071891B2 |
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JPH06101733B2 |
PURPOSE:To connect a terminal equipment in compliance with the I series recommendations to a multiplex transmission line shared among network terminators independently of the specifications at a point S by applying exclusion of contentio...
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JPH0687573B2 |
PURPOSE:To offer an ISDN digital system terminal equipment in which the control of the telephone system is implemented by a personal computer by using the personal computer for various functions relating to function buttons of the ISDN d...
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JPH0641412Y2 |
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JPH0685538B2 |
A response system of a terminal to an incoming call comprises a plurality of terminals which share a single subscriber number, each of said terminals comprises means for storing at least a calling party number and attribute values of a c...
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JPH0666832B2 |
A private branch exchange for controlling the calls terminated from a direct-in line receives a call set-up message containing termination information including termination address information and termination subaddress information. The ...
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JPH06225018A |
PURPOSE: To respond only to an incoming call with terminal designation information by a dial-in number or sub address in an incoming call control system for terminal equipment connected to a network terminating device. CONSTITUTION: A re...
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JPH06505137A |
PCT No. PCT/SE91/00911 Sec. 371 Date Jul. 23, 1993 Sec. 102(e) Date Jul. 23, 1993 PCT Filed Dec. 27, 1991 PCT Pub. No. WO92/13418 PCT Pub. Date Aug. 6, 1992.A method for signalling/communication within an entrance telephone system or sim...
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JPH0644766B2 |
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JPH0626395B2 |
A terminal connection device changes and connects a plurality of terminals to one telephone line according to kinds of ringing signal sequences sent through the telephone line. The terminal connection device comprises switches connecting...
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JPH0685914A |
PURPOSE: To send destination information and additional information by allowing an exchange to discriminate the destination information and additional information through hooking by implementing hooking so as to indicate a delimiter of e...
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JPH0662454A |
PURPOSE: To execute a telephone response system and an automatic switch function without using any line for additional electric connection or the other function. CONSTITUTION: A telephone terminal is connected to one telephone line inclu...
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JPH0654362A |
PURPOSE: To automatically connect a shared order telephone circuit and the public telephone circuits of a dial pulse system and a DTMF system. CONSTITUTION: A DTMF signal detection circuit 5, a connection number detection circuit 6, a re...
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JPH0612912B2 |
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JPH0637759A |
PURPOSE: To simplify the maintenance of an ISDN exchange by using a D- channel so as to send a maintenance command and maintenance data from a maintenance ISDN telephone set. CONSTITUTION: An ISDN exchange 22 uses a maintenance voice tra...
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JPH0622008A |
PURPOSE: To attain talking between digital telephone sets connected to a same bus without charge imposition by setting up a call not through a network in ISDN compatible digital telephone sets and to transfer a call set up from the netwo...
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JPH066467A |
PURPOSE: To connect plural B channels to an optional terminal interface. CONSTITUTION: Among data fetched from an ISDN channel to a first-order group interface 6, D channel data are distributed to a controller 10 and B channel data are d...
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JPH066461A |
PURPOSE: To perform reception instead of a terminal incapable of the reception even when an incoming terminal is in the state incapable of reception. CONSTITUTION: An LAPD/system controller 10 discriminates whether the incoming terminal ...
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JPH05344552A |
PURPOSE: To prevent the repeat of useless processing between a subscriber's terminal and a master device by always monitoring the queue length of a processed queue and controlling a transaction from a line buffer queue to a processing wa...
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JPH05327932A |
PURPOSE: To obtain a private branch system which uses general purpose terminals, is capable of discriminating an extension transmission and a line wire transmission without inputting a special number before dialing an opposite number and...
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JPH05328427A |
PURPOSE: To enhahce the convenience of a digital communication network such as ISDN and to relieve the user from troublesome subscriber registration by extracting automatically a caller side or a called side subscriber number received/se...
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JPH05327640A |
PURPOSE: To revise accommodation of subscribers without actual visit to a site simply in a short time with a few unskilled persons in the subscriber connection system for the subscriber transmitter. CONSTITUTION: A subscriber transmitter...
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JPH05316108A |
PURPOSE: To provide the controller for communicating the same information for ISDN terminals able to apply simultaneous transfer processing to the same information for plural reception terminals when a caller terminal implement transfer ...
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JPH0588041U |
[Purpose] Provide a home bus that can be used as a terminal by mixing analog terminals and digital terminals. [Constitution] The home bus 30 includes an analog home bus 31 to which an analog terminal can be connected as a terminal and a ...
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JPH05316106A |
PURPOSE: To provide the communication equipment for impartial call in an ISDN in which plural reception terminals are subject to impartial call control so that each reception terminal is impartially used. CONSTITUTION: The communication ...
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JPH05316556A |
PURPOSE: To improve the line utilizing efficiency by multiplexing plural terminal equipment information sets onto one communication channel and transferring the resulting information so as to attain multiplex transfer even at multi-point...
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JPH05308383A |
PURPOSE: To effectively utilize various services by using an ISDN main line or specific B channel in an extension interface exclusively for a packet switching service by utilizing a packet multiplexing function. CONSTITUTION: An ISDN ext...
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