JP5374015B2 - Telephone device and automatic callback method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify operation for performing automatic call back to a termination call from a preregistered telephone number, and to enable flexible utilization. <P>SOLUTION: A callback is performed automatically under conditions, where a termination call with a registered telephone number as a caller is subjected to call abandonment within prescribed time and response operation to the termination call is performed after the call abandonment. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

  The present invention relates to a telephone device having a callback function. In particular, the present invention relates to an improvement of a telephone device for a business office such as a button telephone device or a private branch exchange.

  When contacting the company with a personally owned mobile phone when going out, the call charge is usually charged to the personal mobile phone. In order for the call charge to be borne by the company, it was necessary to have the company call again after the other party responded, or a charged distribution service by the telecommunications carrier.

  There is also known a technology for automatically making a call back (callback) in order to pay the call charge to the company. For example, Patent Document 1 discloses that a call is automatically made for an incoming call from a registered partner in order to perform data communication via an ISDN line. Further, in Patent Document 2, when a caller terminal having number information matching a pre-registered telephone number is disconnected at the receiving side and then off-hooked at the receiving terminal, the call is automatically made. Is disclosed.

Japanese Patent No. 3269939 Japanese Patent No. 3522173

  However, the technique disclosed in Patent Document 1 is for data communication and cannot be used for voice calls.

  With the technique disclosed in Patent Document 2, callback is not performed unless a person operates on the receiving side, and a call due to unnecessary call origination is not generated. However, all incoming calls from registered telephone numbers are subject to callback, which is inconvenient. For example, it is impossible to ring the ringer indefinitely until there is an off-hook on the receiving side terminal. In some cases, the phone will not be connected.

  An object of the present invention is to solve such a problem and to provide a telephone device and an automatic callback method capable of automatically performing a callback according to an operation on the caller side.

  According to the first aspect of the present invention, a storage means for registering a telephone number to be called back, and a call for automatically making a return call for an incoming call having the telephone number registered in the storage means as a caller In the telephone device comprising the back means, the call back means abandons the incoming call with the telephone number registered in the storage means as the caller within a first predetermined time, and after the call abandonment Provided is a telephone device characterized in that automatic transmission is performed on condition that a response operation to the incoming call is performed.

  The call-back means, even if an incoming call with the telephone number registered in the storage means as a caller is abandoned within the first predetermined time, the second predetermined time elapses or the incoming call It is desirable that the incoming call display is continued until a response operation to the call is performed, and automatic transmission is performed when the response operation is performed within the second predetermined time.

  The telephone number to be called back can be the telephone number of the mobile phone.

  The telephone device of the present invention is a device that accommodates a plurality of extension terminals, and it is desirable that the callback means perform automatic transmission when a response operation is performed at any of the plurality of extension terminals.

  According to the second aspect of the present invention, the telephone number of the mobile phone is registered in advance in the telephone device of the business office, and the mobile phone is called from the mobile telephone to the telephone device of the business office on the go, within a predetermined time. The telephone device of the business office abandons the call, and continues to display the incoming call even if the call is abandoned within the predetermined time for the incoming call from the mobile phone having a previously registered telephone number. When performed, an automatic callback method is provided, wherein automatic call back is performed to the mobile phone.

  In the present invention, an incoming call with a telephone number registered in advance as a caller is abandoned within a predetermined time, and after the call is abandoned, a response operation to the incoming call is performed automatically. Make a callback to Therefore, for the receiving side, the operation is exactly the same as a response to a normal incoming call. On the other hand, it is economical for the calling party to confirm the ringing tone, disconnect immediately, and wait for the call back, making it easy to make a call at the expense of the operator without charging a personally owned telephone. . In addition, since the response on the incoming side is the trigger for automatic transmission, when there is no one at the office, automatic transmission is not performed and there is no useless call. Further, when the caller does not abandon the call, it can be handled as a normal incoming call and flexible use is possible.

  FIG. 1 is a block diagram showing an embodiment of the present invention, and shows an example in which the present invention is implemented by a button telephone apparatus.

  This key telephone apparatus includes a key telephone main apparatus 1 and extension terminals 2-1 to 2-n accommodated in the key telephone main apparatus 1. The key telephone main apparatus 1 includes an external line interface unit 11, an external line call control unit 12, an internal line interface unit 13, a timer unit 14 and a memory 15. The external line call control unit 12 includes an incoming call control unit 121 and an outgoing call control unit 122. Prepare. The memory 15 is provided with a callback target number table 151 in which telephone numbers to be called back are registered, and the external line call control unit 12 uses the telephone numbers registered in the callback target number table 151 as a caller. It is possible to perform automatic call back for an incoming call.

  Here, the feature of the present embodiment is that an incoming call having a telephone number registered in the callback target number table 151 as a caller is abandoned within a first predetermined time, and after the call is abandoned The automatic transmission is performed on the condition that a response operation (off-hook) to the incoming call is performed.

  FIG. 2 is a time chart for explaining the automatic callback operation. Here, a case will be described as an example where the callback target is a mobile phone and a telephone is called from the outside to the office telephone apparatus (the button telephone apparatus in FIG. 1, hereinafter simply referred to as “office apparatus”). Here, the “mobile phone” includes not only a cellular phone but also a PHS (Personal Handyphone System) phone.

  In order to perform automatic callback, the telephone number of the mobile phone is registered in the callback target number table 151 in advance. When a call is made to a business office from a location with a registered mobile phone, the business office device detects the incoming call and rings the extension terminal. At this time, a ring tone (ringback tone RBT) is sent from the communication carrier network to the mobile phone. When the mobile phone hears this ringing tone, it immediately hangs up and abandons the call. Although the call signal disappears at the office equipment side, if the time from the incoming call to the abandonment of the call is within the first predetermined time, the line is reserved and the incoming call display of the extension terminal or the blinking of the LED continues. To do. The incoming call display is continued until the second predetermined time elapses or one of the extension terminals is off-hooked. When any of the extension terminals is off-hook within the second predetermined time, the mobile phone automatically To call. When the mobile phone answers, a call can be made. The call charge at this time will be borne by the establishment. If the mobile phone does not answer within the third predetermined time, the call is abandoned. The first predetermined time, the second predetermined time, and the third predetermined time are measured by a callback detection timer, a callback activation timer, and a callback activation timer of the timer unit 14, respectively.

  FIG. 3 is a time chart for explaining the operation when the extension terminal does not respond. If any extension terminal does not respond after the second predetermined time has elapsed, the ringing is stopped and the line reservation is canceled.

  In the above operation, when the caller does not abandon the call within the first predetermined time, the office apparatus handles it as a normal incoming call.

  In the above embodiment, the button telephone apparatus has been described as an example of the office apparatus, but the present invention can be similarly applied to a private branch exchange or other telephone apparatus.

The block block diagram which shows one Example of this invention. Time chart explaining automatic callback operation. The time chart explaining operation | movement when an extension terminal does not respond.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Button telephone main apparatus 2-1 to 2-n Extension terminal 11 Outside line interface part 12 Outside line call control part 13 Extension line interface part 14 Timer part 15 Memory 121 Incoming call control part 122 Transmission control part 151 Callback object number table

Claims (4)

Accommodates multiple extension terminals and multiple external lines,
A storage means for registering a telephone number to be called back;
In a telephone device comprising: callback means for automatically calling back an incoming call with a telephone number registered in the storage means as a caller;
The callback means displays an incoming call on the extension terminal when detecting an incoming call with the telephone number registered in the storage means as a caller, and the incoming call is abandoned by disconnecting the caller within a first predetermined time. When the call is made , the outside line is reserved, and the incoming call display is continued until the second predetermined time elapses or a response operation to the incoming call is performed, and the response operation is performed for the second predetermined time. The telephone device is characterized in that it automatically makes a call when it is made within.   2. The telephone device according to claim 1, wherein the telephone number to be called back is a telephone number of a mobile phone. Before SL callback means, telephone apparatus according to claim 1, wherein performing the automatic transmission when the response operation in any of the plurality of extension terminal is made. An automatic callback method in a telephone device accommodating a plurality of extension terminals and a plurality of external lines,
Register the phone number of the mobile phone in advance in the telephone device at the office ,
In the telephone device of the prior article industry plants, in advance for the incoming call from the mobile phone of the registered telephone number, incoming call displayed on said extension terminal and detects the outgoing the incoming call within a first predetermined time who when abandoned call by cleavage of the reservation state of external line, whether the second predetermined time elapses, or to continue an incoming call display until a response operation to the incoming call is made, the response operation is the An automatic callback method characterized in that when it is performed within a second predetermined time, automatic call back is performed to the mobile phone.

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