JP2007288597A - Communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication terminal capable of immediately transmitting a dial tone from the first digit of a telephone number of a communication destination that is entered without awaiting decision of a dial attached number in a PBX mode. <P>SOLUTION: The communication terminal including a general line mode connected to a public telephone line and the PBX mode connected to a private branch exchange (PBX) includes: an operation/display section 26 used to enter the telephone number of the communication destination; a control section 24 including a dial transmission control section 241 for controlling transmission of the dial tone corresponding to each numeral of the entered number; and a memory 27 including memory areas for selectively establishing the general line mode or the PBX mode, and when the PBX mode is set to the memory areas, the dial transmission control section 241 immediately transmits the dial tone from the first digit of the entered telephone number. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a communication terminal apparatus such as a telephone and a facsimile apparatus having an additional number dial function, and in particular, a general line mode connected to a public telephone line and a PBX mode connected to a private branch exchange (PBX). A communication terminal capable of selectively setting the general line mode and the PBX mode, adapted for service by additional number dialing in the general line mode, and not adapted for service by additional number dialing in the PBX mode. It relates to the device.

  Communication terminal devices such as telephones and facsimile machines used in homes and offices are generally connected to public telephone lines and private branch exchanges (such as private branch exchanges connected to private telephone line networks in offices). (PBX) may be used. For this reason, these communication terminal apparatuses have a general line mode connected to a public telephone line and a PBX mode connected to a private branch exchange (PBX). Is set.

  By the way, in recent years, various services are provided by a dial additional number service provided by a communication carrier. For example, in a service called a number display service, when a specific dial additional number “184” is added in front of a telephone number and a call is made, the caller's telephone is displayed on the display unit of the other party's telephone that is subscribed to the service. The number can be hidden (no number notification). On the other hand, when a dial additional number for notifying the number is added, the caller's telephone number is displayed on the display unit of the other party's telephone. As a result, the receiving side can take a measure such as not responding to a nuisance call by determining whether the other party's call number is notified or not.

  In addition, a service that allows communication via a desired network (telephone network) by adding a specific carrier code as an additional dialing number when making a call, and allows selection of a communication path to which an inexpensive call charge is applied Is also provided. For example, the following Patent Document 1 (Japanese Patent Laid-Open No. 9-8958) discloses an invention of a network selection apparatus that uses such a service to keep the usage amount of each network constant. .

The network selection device disclosed in Patent Document 1 is provided in a private branch exchange, and is a conversion in which a number string designating a first type telecommunications carrier line network is added to each area code of a public line network. Based on a memory in which a plurality of dial conversion tables TB1 to TBn storing dial strings are stored for each type 1 telecommunications carrier line network and a dial conversion table stored in the memory every predetermined period (every day) Control means for sequentially switching and selecting an arbitrary line network from a plurality of first type telecommunications carrier line networks, converting each area code of the public line network into a corresponding conversion dial string and outputting it to the public line network It is a thing.
Japanese Patent Laid-Open No. 9-8958 (FIGS. 1 and 2)

  A communication terminal device such as a general telephone or a facsimile device can support the above-described dial additional number service in either the general line mode or the PBX mode. Normally, when a telephone number or a facsimile number of a communication destination is input when a call or communication is made from a communication terminal device such as a telephone or a facsimile device, a dial tone is sent to a telephone exchange central office or private branch exchange one by one.

  The exchange analyzes the dial tone sequentially sent from the telephone, determines the exchange office or exchange to which the counterpart device to be connected belongs, and connects. For example, when a dial tone corresponding to the number of digits specifying the area code is received, the toll exchange office can be determined. An internal exchange can be determined. Similarly, in the case of a call addressed to a mobile phone, a dial tone corresponding to the first digit of the telephone number assigned to the mobile phone communication is detected and connected to the mobile communication network.

  By the way, when the communication terminal device is set to be compatible with the dial additional number service, it waits for dial tone transmission until the determination of the first dial additional number is completed, and after the determination of the dial additional number is completed, Dial tone signals are transmitted in order from the first digit of the telephone number of the communication destination. On the other hand, when a setting not corresponding to the dial additional number service is set, the dial tone can be transmitted immediately from the first digit of the inputted telephone number. The same applies to calls to mobile phones.

  For this reason, when the support for the additional dial number service is set, in the PBX mode, the number “09” assigned to the mobile phone and the number “18” of the number display service are included at the beginning of the extension number. In this case, all digits corresponding to the dial additional number are input, and there is a problem that a delay occurs due to a dial tone transmission waiting state until the determination is completed.

  As a result of various studies to solve the above problems, the inventor of the present application has developed a communication terminal apparatus having a general line mode connected to a public telephone line and a PBX mode connected to a private branch exchange (PBX). The general line mode and the PBX mode can be selectively set. In the general line mode, the service is supported by the additional number dial, and in the PBX mode, the service is not supported by the additional number dial. The present invention has been completed with the idea of obtaining the present invention.

  That is, the present invention has an object to solve the above-mentioned problems, and a telephone that can immediately send a dial tone from the first digit of the telephone number of the input communication destination without waiting for the determination of the additional number in the PBX mode. An object of the present invention is to provide a communication terminal device such as a facsimile machine.

In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is
In a communication terminal apparatus having a general line mode connected to a public telephone line and a PBX mode connected to a private branch exchange (PBX),
The communication terminal device includes an operation / display unit for inputting a communication destination number, a control unit having a dial transmission control unit for controlling dial tone transmission corresponding to each digit of the input number, and the general line And a memory having a memory area for selectively setting the PBX mode, and when the PBX mode is set in the memory, the dial transmission control unit immediately dials the dial tone from the first digit of the input number. Is controlled to be sent out.

Further, the invention according to claim 2 of the present application is the communication terminal device according to claim 1,
The communication terminal device further comprises dial additional number determining means, and when the general line mode is set in the memory, the dial additional number determining means determines the dial additional number based on the inputted number. It is characterized by.

The invention according to claim 3 of the present application is the communication terminal device according to claim 2,
The communication terminal device, when the general line mode is set in the memory, the dial additional number determining means determines a dial additional number based on the input number, and determines communication addressed to a mobile phone, The dial transmission control unit controls the dial tone to be transmitted from the first digit of the input number.

  In the invention according to claim 1, the communication terminal device includes an operation / display unit for inputting a communication destination number, and a dial transmission control unit for controlling transmission of a dial tone corresponding to each digit of the input number. And having a memory area for selectively setting the general line mode and the PBX mode, and when the PBX mode is set in the memory, the dial transmission control unit The dial tone is immediately transmitted from the first digit.

  According to such a configuration, when the communication terminal apparatus is in the PBX mode, the dial additional number service is not supported, and when the communication destination telephone number is input, a dial tone is immediately transmitted from the first digit. Thus, the dial transmission is not delayed during the determination of the dial additional number service, so that the dial transmission can be prevented from being delayed.

  According to a second aspect of the present invention, in the communication terminal device according to the first aspect, the communication terminal device further comprises dial additional number discrimination means, and when the general line mode is set in the memory, the dial The additional number discrimination means discriminates the dial additional number based on the inputted number. According to such a configuration, when the communication terminal device is in the general line mode, the dial additional number service can be supported.

  According to a third aspect of the present invention, in the communication terminal device according to the first aspect, when the general line mode is set in the memory, the dial additional number determining means dials based on the input number. When the additional number is determined and the communication addressed to the mobile phone is determined, the dial transmission control unit transmits a dial tone from the first digit of the input number. According to such a configuration, when the communication terminal device is in the general line mode, the dial additional number service can be supported, and when the input telephone number is a number addressed to a mobile phone, When it is determined, dial tone can be transmitted.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings. However, the embodiments described below exemplify a communication terminal device for embodying the technical idea of the present invention, and are not intended to identify the present invention as this communication terminal device. The present invention can be equally applied to communication terminal devices of other embodiments included in the scope of claims.

  FIG. 1 is an external view showing an external appearance of a communication terminal apparatus according to an embodiment of the present invention. The communication terminal device is a communication terminal device such as a telephone, a cordless telephone, or a facsimile machine. In the following description, the present invention will be described in detail using the cordless telephone as a communication terminal apparatus. The cordless telephone device 10 which is a communication terminal device has a configuration in which the parent device 20 and the child device 30 are connected wirelessly, and can receive and send calls from the child device 30 via the parent device 20. ing.

  As shown in the block diagram of FIG. 2, the base unit 20 includes a telephone line control unit 21, an audio signal processing unit 22, a radio unit 23, a control unit 24, a microphone / speaker unit 25, an operation / display unit 26, a memory 27, An antenna 28 is provided. The control unit 24 is a control circuit composed of a microprocessor and includes a ROM and a RAM (not shown). The ROM stores a program for controlling the operation of each part. For example, a program for the control unit 24 to send a dial tone and a program for determining the type of the dial additional number are written. Therefore, the control unit 24 includes the functions of the dial transmission control unit 241 and the dial additional number determination unit 242. Information necessary for the operation of the control unit 24 is stored in the RAM.

  When the dial additional number service is set, when a destination telephone number is input, a predetermined number of digits corresponding to the type of the dial additional number service set in the base unit 20 is placed at the head of the input telephone number. The code (number) is added. The dial additional number determination unit 242 determines an additional number added to the input telephone number and performs a predetermined process corresponding to the additional number.

  The telephone line control unit 21 controls incoming calls from the public line N and outgoing calls to the public line N, and performs incoming call detection, dial tone detection, and the like. The voice signal processing unit 22 processes the received voice signal and outputs it through the microphone / speaker unit 25 or processes the transmission voice input through the microphone / speaker unit 25 and converts it into a voice signal. Send it out. The wireless unit 23 communicates a transmission signal, an incoming signal, a transmission voice signal, and a reception voice signal with a slave unit (not shown) via the antenna 28.

  The operation / display unit 26 includes a display, function keys, numeric keys, and the like. The numeric keys are used to input a telephone number when making a call, and the function keys are used to select and set various functions. It is done. That is, the function key is operated to display a desired function setting screen on the display to set various functions of the cordless telephone device 10, or to set various service functions provided by the communication carrier on / off. can do. The memory 27 is provided with a dial output mode setting area, which is a memory area for setting whether the parent device 20 is used in the general line mode or the PBX mode.

  When the base unit 20 is used connected to the PBX, the dial output mode is set to the PBX mode 272 using the operation / display unit 26. When the base unit 20 is connected to the public line network and used, the general line mode 271 is set. The setting contents are stored in the dial output mode storage area of the memory 27. Also, the memory 27 stores the type of dial additional number service set in the base unit 20.

  In the base unit 20, when the dial transmission mode is set to the PBX mode 272, the dial additional number determination unit 242 does not operate, and the dial transmission control unit 241 determines the destination telephone number input from the operation / display unit 25. The dial tone transmission starts immediately from the first digit. On the other hand, in base unit 20, when dial transmission mode is set to general line mode 271, dial additional number determination unit 242 operates and a predetermined number of digits of the destination telephone number input from operation / display unit 25. Is input to determine the type of the additional number service.

  After the determination is completed, the dial transmission control unit 241 sequentially transmits the input telephone number from the first digit by dial tone. For example, when the input telephone number is a number for a mobile phone, when the determination of the additional dialing number is completed, the dial transmission control unit 241 sequentially transmits the telephone number from the first digit as a dial tone.

  As described above, when the general line mode is set, when the dial additional number service is set in the base unit 20, the base unit 20 corresponds to the dial additional number service by the setting, and the PBX When the mode is set, the dial additional number service is not supported regardless of whether or not the dial additional number service is set in the base unit 20.

  As shown in the block diagram of FIG. 3, the slave unit 30 includes an audio signal processing unit 32, a radio unit 33, a control unit 34, a microphone / speaker unit 35, an operation / display unit 36, a memory 37, and an antenna 38. It is configured. The control unit 34 is a control circuit including a microprocessor, and includes a ROM and a RAM (not shown). The ROM stores a program for controlling the operation of each unit, and a program for the control unit 34 to communicate with the parent device 20 is also written therein. Information necessary for the operation of the control unit 34 is stored in the RAM.

  The voice signal processing unit 32 processes the received voice signal and outputs the processed voice signal via the microphone / speaker unit 35, or processes the transmission voice input via the microphone / speaker unit 35 and converts it into a voice signal. Send it out. The radio unit 33 communicates a transmission signal, a transmission voice signal, and a reception voice signal with the parent device 20 via the antenna 38.

  The operation / display unit 36 includes a display, function keys, numeric keys, and the like. The numeric keys are used to input a telephone number when making a call, and the function keys are used to select and set various functions. It is done. That is, by operating the function keys, a desired function setting screen can be displayed on the display, and various function settings of the slave unit 30 can be performed.

  FIG. 4 is a schematic flowchart showing an operation procedure of dial tone transmission of the base unit 20 described above. When the input of the destination telephone number is started in the process of step S11, the dial output mode of the parent device 20 is determined in the process of step S12. When the dial output mode stored in the memory 27 is the PBX mode 272, the process proceeds to step S13, and the dial transmission control unit 241 operates to immediately transmit the dial tone from the first digit of the input telephone number. Done.

  When the dial output mode is the general line mode in the determination process of step S12, the dial additional number determination unit 242 identifies the number of the predetermined number of digits of the input telephone number in the process of step S14 and the mobile phone number. It is determined whether it is. If the number is a mobile phone number, the process proceeds to step S15, where the dial transmission control unit 241 operates to sequentially transmit dial tones from the first digit of the input telephone number.

  If the mobile phone number is not detected from the input phone number in the determination process of step S14, the dial additional number determination unit 242 determines the dial additional number, and when the determination process ends, the dial transmission control is performed in the process of step S17. The unit 241 performs dial tone transmission. When a dial additional number is added, it goes without saying that processing corresponding to the service set in the base unit 20 is performed and dial tone transmission is performed.

It is a figure which shows the external appearance of the cordless telephone apparatus which is a communication terminal device concerning this invention. It is a block diagram which shows the structure of the main | base station concerning the Example of this invention. It is a block diagram which shows the structure of the subunit | mobile_unit in FIG. 2 is a schematic flowchart showing an operation procedure of dial tone transmission in the base unit of FIG.

Explanation of symbols

20... Base unit 21... Telephone line control unit 22... Voice signal processing unit 23... Radio unit 24 ... Control unit 241 Dial transmission control unit 242 Dial additional number determination unit 25... Microphone, speaker unit 26... Operation and display unit 27... Memory 271 ... general line mode 272. ····Cordless handset

Claims (3)

In a communication terminal apparatus having a general line mode connected to a public telephone line and a PBX mode connected to a private branch exchange (PBX),
The communication terminal device includes an operation / display unit for inputting a communication destination number, a control unit having a dial transmission control unit for controlling dial tone transmission corresponding to each digit of the input number, and the general line And a memory having a memory area for selectively setting the PBX mode, and when the PBX mode is set in the memory, the dial transmission control unit immediately dials the dial tone from the first digit of the input number. A communication terminal apparatus, characterized in that control is performed so as to transmit the message.   The communication terminal device further comprises dial additional number determining means, and when the general line mode is set in the memory, the dial additional number determining means determines the dial additional number based on the inputted number. The communication terminal device according to claim 1.   The communication terminal device, when the general line mode is set in the memory, the dial additional number determining means determines a dial additional number based on the input number, and determines communication addressed to a mobile phone, The communication terminal apparatus according to claim 2, wherein the dial transmission control unit performs control so that a dial tone is transmitted from the first digit of the input number.

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