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JPH0221793A |
PURPOSE: To eliminate need for a procedure to inquire about a terminal equipment every time a terminal attribute is required for a communication network terminator by applying decentralized management to the terminal attribute required f...
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JPH023597B2 |
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JPH0210999A |
PURPOSE: To improve the line efficiency by identifying incoming telephone number information at an incoming state in a intelligent service digital network and giving a call to a reception terminal equipment or a terminal equipment group ...
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JPH027739A |
PURPOSE: To ensure a real data string from a received data string by providing a header storage section storing the constitution of a header part representing the start of the real data string. CONSTITUTION: A promise of 'ten OOH signals...
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JPH021413B2 |
A ringing device for a PABX comprising an alternating signal source and a direct current source connected to a supply line for supplying a ringing signal to subscriber lines. A centralized off-hook condition detection circuit is connecte...
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JPH022244A |
PURPOSE: To shorten access time in channel access control by devising the system such that a slave station sends a communication request pattern in a request bit immediately after other slave station finishes the transmission of a data o...
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JPH01318450A |
PURPOSE: To set a call with no consciousness of the number plan of a 2nd service integrated digital network by adding a division code between a subscriber number and a terminal number in case the incoming subaddress included in a call se...
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JPH01317099A |
PURPOSE: To eliminate need for any exclusive common line signal device by starting the terminator when the processing program of the level 2 of the CCITT recommendations No.7 signal system when a PCM line is used for a common line signal...
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JPH01311693A |
PURPOSE: To attain the high speed data communication equal to an H0 channel and an H1 channel by giving the delay so that respective delaying times of a B channel can be the same. CONSTITUTION: The title device provides a time signal gen...
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JPH01305746A |
PURPOSE: To effectively conduct the test of the function of a collision supervisory circuit among respective terminal equipments by inverting subsequent channel bits and returning them to a line when a signal channel is received and coin...
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JPH01305745A |
PURPOSE: To reduce the overhead of a line common control part by interrupting transmission when transmission collision occurs, suppressing the request of a new character, re-transmitting data at the time of collision and suppressing the ...
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JPH01302994A |
PURPOSE: To quickly respond when an incoming arrives at one of plural incoming telephone system terminals connected to an accommodated line by specifying the incoming telephone system terminal concerned by the incoming request informatio...
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JPH01292943A |
PURPOSE: To prevent crosstalk during calling to use an omnibus line by prohibiting self-calling operation with a calling operation prohibiting means from the time of a calling start by any other telephone set detected by a calling start ...
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JPH01293729A |
PURPOSE: To mutually communicate between terminals without passing through a network terminating set by establishing a link using a communication channel and controlling the using right of an information channel using a signal access pro...
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JPH01284100A |
PURPOSE: To designate a specific ISDN terminal equipment with only an address by providing a table to a memory connected to a common controller and converting the address into an address and a subaddress based on the data on the table. C...
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JPH01264497A |
PURPOSE: To detect the service conditions of two B channels of a substrate interface at respective terminals by using one B channel as a channel for transferring data and using the other B channel as another channel for an echo. CONSTITU...
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JPH01260995A |
PURPOSE: To reduce an ineffective call by allowing a network terminator to have a means resetting the timer when the connection to one of terminal equipments accommodated by its own equipment is confirmed and allowing the terminal equipm...
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JPH01261068A |
PURPOSE: To attain ease of transfer between terminal equipments by allowing a call control section to use a D channel based on the result of monitor by an echo channel monitor section, allowing an exchange station to restart a call when ...
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JPH01256893A |
PURPOSE: To transmit the using request of a B channel to another terminal equipment by transmitting a communication desiring signal to a D channel and detecting the communication desiring signal of an E channel, which a network terminati...
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JPH01251848A |
PURPOSE: To improve the operating efficiency of a communication equipment by recognizing and registering the call number of a terminal obtained with a new incoming call while maintaining the present communication in case a new incoming c...
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JPH01251895A |
PURPOSE: To enable the connection test of a line or the like under the condition to separate a terminal from an ISDN network by signal-outputting as a standard terminal when a control for the standard terminal is instructed and outputtin...
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JPH01251894A |
PURPOSE: To enable the maintenance of a trouble analysis or the like under a condition to be separated from a network and an inspection service by outputting a frame based on the frame to be inputted from a standard terminal to an ISDN(I...
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JPH01245700A |
PURPOSE: To select a connecting channel and a telephone set corresponding to the generating of a calling by making the allocation of the channel of a drop insert device (DI) provided on an exchange and respective repeating points variabl...
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JPH01243697A |
PURPOSE: To reduce an unnecessary processing against a calling request when a line is occupied by informing a terminal of a line usage condition when a call is connected or when the line is disconnected. CONSTITUTION: A title device is p...
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JPH01243799A |
PURPOSE: To miniaturize a signal data link bus input and output device by selecting arbitrary one channel of a time division-multiplexed signal data link bus and receiving data only from the channel or transmitting the data only to the c...
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JPH01243696A |
PURPOSE: To remove the broadcast of unnecessary information by outputting the broadcast of only a desired telephone set with the combination of a broadcast output selection means and a line connection means. CONSTITUTION: A subscriber ci...
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JPH01233857A |
PURPOSE: To select an analog output and the storage of communication data with a simple constitution by storing a data outputted while being converted into an analog signal before being converted into the analog signal. CONSTITUTION: Whe...
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JPH01231592A |
PURPOSE: To realize designated incoming to a specific terminal of a subscriber house in an ISDN network from a subscriber terminal in an existing network by communicating with another terminal stored in the existing network when the poss...
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JPH01227594A |
PURPOSE: To execute the simultaneous call of two telephone sets through one telephone line by providing a timing signal generating part to generate a signal according to a synchronizing signal transmitted through a party line telephone a...
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JPH01216659A |
PURPOSE: To attain communication without hindrance even if a caller does not know a sub address in advance by providing a means sending a list of registered identification information to an incoming call using a telephone number added wi...
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JPH01215154A |
PURPOSE: To efficiently manage individual data in a memory by utilizing a sub-address for called party reply as a file number and applying reception management to each individual data by the file. CONSTITUTION: A memory 3 consists an are...
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JPH01181266A |
PURPOSE:To attain communication by individual receipients by means of one set of composite equipment by storing a reception data to a storage means corresponding to its sub address, using an ID card registered with a number by the recipi...
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JPH01180198A |
PURPOSE: To simplify change in a broadcast area requiring much labor and cost by enabling the revision of broadcast area only with data rewrite in the inside of a storage drive in a wired broadcast telephone set for communication or orde...
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JPH01175448A |
PURPOSE: To execute an extension of an electric communication line contained in a system without exerting an influence on a main equipment and terminal by providing a signal communication means for sending and receiving a signal in commo...
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JPH01175449A |
PURPOSE: To eliminate the need of the correspondence of a function extension and a modification, etc., of a main equipment at the time of increasing a terminal in a system, and also, to remarkably reduce a processing load of the main equ...
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JPH01168155A |
PURPOSE: To avoid waste of operation and to improve the line efficiency by allowing a monitor means to monitor a free information channel when all information channels are busy and allowing a call means to make a call when a free channel...
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JPH01162030A |
PURPOSE: To attain mutual communication between TEs (subscriber terminals), which are received on a same line, without giving an influence to a switchboard by abolishing a specified frame or a message on a D-channel not to defined with t...
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JPH01158897A |
PURPOSE:To prevent wiretapping between telephone sets even in case of multiple connection of general telephone sets by providing a means inhibiting off-hook detection of other telephone sets to the outside of common use telephone sets us...
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JPH01157696A |
PURPOSE:To reduce a memory capacity for subscriber data, to decrease data management processing load, and to facilitate a data management processing by variably causing each terminal equipment belonging to a line to commonly use a compar...
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JPH01141441A |
PURPOSE: To automatically control the right of using by receiving the data of a channel returned from network terminal equipment, comparing them with the data sent from self-equipment, and obtaining the right of using a B channel when th...
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JPH01135288A |
PURPOSE: To recognize a duplicate setting by a working person by providing a means to detect the duplicate setting of the extension numbers of slave devices in the telephone circuits of the slave devices and equipping with the informing ...
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JPH01120993A |
PURPOSE:To monitor a D-channel data of a user network interface and to attain diagnosis of layer circuits 1, 2 of an ISDN terminal equipment by providing a switching circuit so as to select the reception of a D echo channel and a D chann...
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JPH01101096A |
PURPOSE: To shorten a caller holding time by providing a telephone exchange side with a circuit for sending a user identification(ID) code as a pulse insensitive to ringing during the time of a silent period between two ringing periods a...
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JPH0199399A |
PURPOSE: To call a terminal set just after end of communication and to respond thereto by allowing an exchange to confirm a calling state to the same terminal group and to send a call signal even to an idle terminal set when a signal of ...
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JPS6489889A |
PURPOSE: To realize the call of telephones all at once every group by constituting the sub-address of each apparatus a hierarchical structure every call group. CONSTITUTION: The eight telephones T1∼T8 are divided to the three layers st...
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JPS6482729A |
PURPOSE: To prevent a space from being erroneously read as a mark by amplify ing a received signal when an absolute value is beyond a threshold voltage, otherwise, amplifying it at a different rate, and placing a threshold value be tween...
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JPS6482795A |
PURPOSE: To detect the polarity of a DC component in about one cycle of a ringing signal by deciding whether the sum of a positive maximum value and a negative maximum value is plus or minus and supplying the polarity decision result at ...
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JPS6481596A |
PURPOSE: To realize the extension communication between plural terminal equipments connected to a subscriber's wiring by adding a signal reception function on an incoming signal line and a signal sending function to an outgoing signal li...
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JPS6461195A |
PURPOSE: To attain privacy call function and talking and transfer between telephone set without complicated wiring by connecting a call detection circuit, an extension signal transmission/reception circuit, a changeover means switching a...
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JPS645518B2 |
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