JP2005159746A - Call method and call system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a call method and a call system capable of utilizing the existing Internet so as to reduce the facility cost without the need for provision of an exclusive server channel like a telephone server and also reducing a burden of a telephone line utility charge. <P>SOLUTION: The call system is provided with: a caller communication apparatus 11; a caller communication apparatus 12 and uses a public line network 13 and the Internet 14 for communication-connecting both the communication apparatuses 11, 12, the caller communication apparatus 12 is provided with: a telephone set 20b; an attendance sensor 28 for recognizing the attendance of a call opposite party; and a communication terminal 22b for recognizing that the call opposite party is not busy, and the caller communication apparatus 11 includes: a telephone set 22a; and a communication terminal 22a for recognizing that the call opposite party is available of the call by connecting with the Internet 14 and receiving information about the attendance of the call opposite party and as to whether or not the call opposite party is busy from the communication terminal 22b of the caller, and the caller communication terminal 22a is provided with an interface apparatus 30 for switching the connection from the Internet 14 to the public line network 13 on the basis of the recognition that the call opposite party is available of the call. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a calling method and a calling system for making a call using a public line network, and in particular, when making a call with a call destination using a telephone, to make the call convenient using the Internet line network. The present invention relates to improvement of a calling method and a calling system.

  Conventionally, as this type of call system, when the other party is not available or is in a state where it is impossible to make a call such as during a call, the communication terminal of the caller can grasp the situation of the other party in advance. Some have been designed to make it easier for the callee not to be called during a call.

  As such a call system, there is one disclosed in Japanese Patent Laid-Open No. 2000-134336 (Patent Document 1).

  According to Patent Document 1, as shown in FIG. 5 of the accompanying drawings, as a call system 1, a call source communication device 4a and a call destination communication device 4b connected to a public line network 2 via a telephone line 3, A telephone server 6 is connected between the two communication devices 4a and 4b via a telephone line 5. The communication device 4a includes a communication source telephone 7a, a presence sensor 8a that detects whether or not a caller is present, the communication source telephone 7a, the presence sensor 8a, and the telephone dedicated line 5 on the telephone server 6 side. A caller communication terminal 9a for connecting each of them is provided.

  The caller communication terminal 9a monitors the connection status of the telephone line 3 to determine whether or not the telephone 7a on the communication terminal 9a side is in use, and calculates the telephone line connection status as telephone line status data. It has. The telephone server 6 stores telephone line usage status data and callee presence information data received through the telephone line 5 from the communication device 4b side in a database (not shown) so that each information data can be managed. .

  On the other hand, it has the same configuration as the call destination communication device 4b and the call source communication device 4a. The communication destination phone 7b, the presence sensor 8b for detecting whether or not the call partner is present, and the communication destination phone 7b, a presence sensor 8b, and a communication terminal 9b for connecting the telephone line 5 on the telephone server 6 side.

Further, the caller communication terminal 9a is provided with a display screen (not shown) so that each information data can be recognized by the caller.
JP-A-2000-134336 (page 4, left column, line 6 to page 5, right column, line 2 and page 5, right column, lines 17 to 23, and FIG. 1)

  According to the configuration disclosed in Patent Document 1, when the telephone line 3 is in use at the call destination, voice or data information is transmitted from the call destination communication terminal 9b to the call source communication terminal 9a. It has become.

  Then, if necessary, the caller obtains the status of the other party from the telephone server 6 side, and first confirms that the other party can make a call based on the data displayed on the display screen of the communication terminal 9a. Be able to.

  Therefore, when the caller makes a call, the telephone server 6 side can search for information such as the telephone number and name of the other party, and can call the retrieved party.

  However, according to the conventional telephone system 1, it is necessary to provide a dedicated telephone line in order to connect the telephone server 6 and the telephone server 6 to the communication devices 4a and 4b. When the method of connecting a part of the telephone line of the telephone server 6 to the public line 2 is used, there is a drawback that a line usage fee is required.

  The present invention has been made in view of the above circumstances, and provides a calling method and a calling system that do not require a substantial equipment cost by using an existing Internet network without providing a dedicated telephone server or telephone line. The purpose is to provide.

  In order to achieve the above object, according to the present invention, using the mail address of the other party, the step of connecting to the communication terminal on the other party's side through the Internet, and when connected to the Internet, A step of acquiring information on whether or not a call is possible from the call partner side, and a step of operating the telephone to the call partner side when the call source acquires information that the call is possible from the call destination. Is provided.

  In order to achieve the above object, according to the present invention, a telephone operation is performed at a caller, a mail address of a call partner is acquired from a call destination, and the call partner is acquired using the acquired mail address of the call partner. Connecting to the communication terminal on the other side, obtaining information on whether or not communication is possible with the caller at the caller from the caller when connected to the Internet, and calling from the callee at the caller And a step of operating the telephone to the other party when the information indicating that it is possible is provided.

  In order to achieve the above object, according to the present invention, a step of operating a telephone at a caller to obtain a mail address of a call partner from a call destination, and a caller capable of calling the acquired mail address of a call partner The step of storing in the communication terminal, the step of connecting to the communication terminal of the other party using the acquired mail address of the other party, and the step of connecting to the other party's communication terminal via the Internet. A step of obtaining information on whether or not from the other party of the call and a step of operating the telephone to the other party of the call when the caller obtains information that the call is possible from the other party. A call method is provided.

  In order to achieve the above object, according to the present invention, a step of operating a telephone at a caller to obtain a mail address of a call partner from a call destination, and a communication terminal of the caller using the acquired mail address of the call partner A data display on the display screen, a step of connecting to the communication terminal of the other party using the mail address of the other party on the data display, a step of connecting to the communication terminal of the other party, and a caller at the caller when connected to the Internet. Information on whether or not a call can be made from the call partner side, and when the call source obtains information that the call is possible from the call destination, the telephone call operation to the call partner side is provided. A call method characterized by the above is provided.

  In order to achieve the above object, according to the present invention, using the mail address of the other party, the step of connecting to the communication terminal on the other party's side through the Internet, and when connected to the Internet, The step of acquiring information on whether or not the call is possible from the call destination, and the information that the call partner is absent or on the call when the caller obtains the information on whether or not the call is possible from the call partner In the case where the caller sends a request to the callee through the Internet for the mail address information of a plurality of callable parties, and based on the mail address information sent from the callee in response to the request from the caller. And a step of selecting a desired call partner at the call source and operating the telephone to the call partner side.

  In order to achieve the above object, according to the present invention, using the mail address of the other party, the step of connecting to the communication terminal on the other party's side through the Internet, and when connected to the Internet, The step of acquiring information on whether or not the call is possible from the call partner side, and when the call source acquires information on whether the call is possible or incapable of communication from the call destination, A step of displaying on at least one of the display screen and the speaker, and a step of operating the telephone from the caller to the call partner when the other party can make a call based on the displayed information. Is provided.

  In order to achieve the above object, according to the present invention, there is provided a call source communication device, a call destination communication device, and a public line network and an Internet network for communication connection between these communication devices. The call destination communication device includes a telephone, a presence sensor for recognizing the presence of the other party, and a communication terminal for recognizing that the call is not in progress. The call source communication device includes a telephone, an Internet A communication terminal that recognizes that the other party can make a call by connecting the network and receiving information on whether or not the other party is present from the other party's communication terminal. The call source communication terminal is provided with an interface device for switching and connecting from the Internet network to the public line network upon recognizing that the other party can talk. .

  In order to achieve the above object, according to the present invention, there is provided a call source communication device, a call destination communication device, and a public line network and an Internet network for communication connection between these communication devices. The communication device of the call destination includes a telephone, a presence sensor that recognizes the presence status of a plurality of callable parties, and a presence recognition signal that indicates the presence status of a plurality of callable opponents by the presence sensor. A communication terminal capable of transmitting to a caller, wherein the caller communication device is capable of receiving, via the Internet, an awareness signal indicating presence of the telephone and the plurality of callable parties. An interface for switching connection from the Internet network to the public network based on the presence recognition signal indicating the presence status of the plurality of callable parties. Dress Providing a call system, characterized in that it comprises a.

  According to the present invention, without providing a dedicated server line such as a telephone server, a telephone call that can reduce the equipment cost by using the existing Internet network and can also reduce the burden of the telephone line usage fee. A method and a call system can be provided.

  Embodiments of a communication system according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a schematic diagram of a call system 10 according to the present invention.

  The call system 10 includes a call source communication device 11, a call destination communication device 12, and a public line network 13 and an Internet network 14 that are connected for communication between the communication devices 11 and 12.

  The caller communication device 11 is installed in a convenient place for a caller to call the callee using the telephone 20a, for example, in an office.

  The communication device 11 is provided at a call source, and a telephone 20a that makes a call with a call destination using the public line network 13, and a call destination of the call destination prior to a call with the call partner of the call destination using the telephone 20a. The communication terminal 22a is provided for checking the call availability status of the other party or obtaining an e-mail address, and a presence sensor 28 connected to the communication terminal 22a via the communication line 27.

  The communication device 12 at the call destination is installed in an office, for example, which is suitable for a call partner of the call destination using the telephone 20b.

  The communication device 12 has the same configuration as that of the communication device 11 that is the call source, and can make a call by calling the call destination with the communication device 12 side as the call source.

  Therefore, when the communication device 12 side is the call source, the call source communication device 11 can be the call destination as viewed from the communication device 12 side.

  On the other hand, the caller communication terminal 22 a includes a communication terminal main body 23, a keyboard 24, a display screen 25, and a speaker 26.

  As shown in FIG. 2A, the communication terminal main body 23 has an interface device 30 having a hybrid circuit configuration for selectively switching connection between the public line network 13 side and the Internet network 14 side, and communication from the interface device 30 side. A call signal transmission / reception circuit 32 connected via the line 31, a call signal editing circuit 34 connected via the communication line 33 from the call signal transmission / reception circuit 32 side, and a communication line 35 from the call signal editing circuit 34 side. A communication route comprising a signal relay circuit 36 connected via the communication relay 37 and a keyboard operation circuit 38 connected via a communication line 37 from the signal relay circuit 36 side, and a call signal editing circuit 34 for this communication route. The presence sensor receiving circuit 40 connected via the communication line 39 and the interface connected via the communication line 41 to the call signal editing circuit 34 It consists of Tsu door transceiver circuit 42.

  The signal relay circuit 36 is connected to the display screen 25 and the speaker 26 via the communication line 43.

  On the other hand, as shown in FIG. 1, the keyboard 24 is for inputting a signal to the communication terminal main body 23 side by a keyboard operation. For example, the keyboard 24 inputs a mail address to the communication terminal 22b on the call partner side, or a plurality of call destinations. This is used to perform an input operation for requesting mail address information of a caller.

  In addition, the display screen 25 displays the mail address information of the call partner received from the callee as data using characters and symbols.

  Further, the speaker 26 can display the information as a voice to the caller when the call partner received from the call destination acquires information on whether the call is possible or impossible.

  In addition, the presence sensor 28 is connected to the presence sensor reception circuit 40 via the communication line 27. The presence sensor 28 is provided in consideration of the case where the communication device 11 of the call source is the communication destination when viewed from the call destination.

  The presence sensor 28 has a function of detecting whether or not the call partner is present, for example, when a telephone operation can be performed from the call destination to the call partner of the call source.

  For example, when the other party is present, the presence sensor 28 detects this state, and the presence reception circuit 40 generates the presence recognition signal h, and the call signal editing circuit 34 The recognition signal h is transmitted to the Internet transmission / reception circuit 42 side, and the Internet transmission / reception circuit 42 simultaneously transmits to the communication device 12 side of the communication destination through the Internet network 14.

  When the other party is absent, the presence sensor 28 detects this state, thereby generating a call disable signal b in the presence reception circuit 40 and the call signal editing circuit 34 generating the call disable signal. Then, the Internet transmission / reception circuit 42 is configured to transmit to the communication device 12 side of the communication destination through the Internet network 14 at the same time.

  The interface device 30 provided on the communication device 11 side includes a hybrid circuit 30a and a telephone number / mail address information storage device 30b.

  The interface device 30 receives a call signal a1 through the telephone line 21 and transmits the call signal a1 to the public line network 13 side by a dial operation of the telephone 20a (hereinafter referred to as a telephone operation). .

  The hybrid circuit 30a of the interface device 30 forms a communication route for connecting the telephone line 21 and the public line network 13, and receives the call partner mail address information signal a2 received from the call destination through the public line network 13 side. It has become.

  When the interface device 30 receives the call partner mail address information signal a2, the hybrid circuit 30a switches and connects the communication route up to that time from the public line network 13 side to the communication line 31 side. .

  The interface device 30 switches and connects the call partner mail address information signal a2 from the public line network 13 to the communication route on the signal relay circuit 36 side through the call signal transmission / reception circuit 32 and the call signal editing circuit 34 by the hybrid circuit 30a. It is transmitted to the signal relay circuit 36 side.

  The mail address information included in the call partner mail address information signal a2 is displayed as data on the display screen 25 of the communication terminal 22a.

  At the same time, the received call partner mail address information signal a2 is stored (registered) in the telephone number / mail address information storage device 30b of the interface device 30 so that it can be called.

  The telephone number / mail address information storage device 30b inputs and stores unique information such as the name of the other party corresponding to the telephone number by operating a keyboard (not shown) of the communication terminal 22a of the caller. be able to.

  Further, when information such as a telephone number is already stored (registered) in the telephone number / mail address information storage device 30b of the caller, it is ignored.

  The hybrid circuit 30a transmits the telephone number operated by the telephone at the call source to the telephone number / mail address information storage device 30b, while displaying the data on the display screen 25 side, the call signal transmission / reception circuit 32, the call signal editing Transmission is made to the circuit 34 side.

  The caller inputs the mail address information of the other party received by the interface device 30 of the communication terminal 22a from the keyboard 24 of the communication terminal 22a, thereby connecting to the communication terminal 22b side of the call destination. It has become.

  When connected, either the call partner is not present or busy, or the call enable signal f or the call disable signal b is generated based on at least one of the information that the call partner is absent and busy. It has become so.

  On the other hand, the communication device 12 as the call destination transmits a call enable signal f or a call disable signal b from the communication terminal 22b side to the communication terminal 22a side of the communication device 11 as the communication source.

  When the caller receives, for example, a call enable signal f from the callee, the caller communication terminal 22a generates a public line network connection signal g in the call signal editing circuit 34, and the generated signal g is transmitted to the hybrid circuit 30 a of the interface device 30.

  The hybrid circuit 30a receives the public line network connection signal g so that the caller telephone 20a and the call partner telephone 20b are automatically connected.

  Also, if the other party is unable to talk, for example, as shown in FIGS. 2 (a) and 2 (b), the call impossible signal b is automatically sent from the other party's communication terminal 22b. It is transmitted to the terminal 22a.

  As described above, when the caller receives the call disable signal b, whether or not there are other callable parties (multiple) depending on the need of the caller, and if there are multiple callable parties, Specific information such as e-mail addresses of a plurality of callable parties can be requested to the call destination.

  When requesting specific information such as mail addresses of a plurality of callable parties, the call signal editing circuit 34 generates a callable party mail address information request signal e by operating the call source communication terminal 22a (by operating the keyboard 24). It is generated and transmitted to the communication device 12 side of the call destination.

  It should be noted that the callable partner mail address information request signal e generated by the call signal editing circuit 34 may be automatically generated, for example, when the call disable signal b is received from the call destination.

  Upon receiving the callable partner mail address information request signal e, the callee communication apparatus 12 generates a callable partner mail address information signal d and receives it on the communication terminal 22a side of the caller through the Internet 14. It is like that.

  The call partner mail address information signal d received by the communication terminal 22a of the call source communication device 11 is transmitted to the display screen 25 and the speaker 26 side through the signal relay circuit 36, and at least one of voice and screen data display is displayed. Is displayed.

  The call partner mail address information signal d received on the communication terminal 22a side of the call source is displayed as data on the display screen 25 as shown in FIG. 3B, for example.

  That is, on the display screen 25, as shown in FIG. 3B, the caller side specific information such as mail addresses of a plurality of callable parties is displayed on the display screen 25.

  The call partner side unique information is, for example, unique information such as names, phone numbers, and mail addresses of a plurality of call partners of a call destination.

  Then, the mail address of the desired communication partner is selected from the plurality of unique information, and the mail address of the communication partner is input from the keyboard 24 side of the communication terminal 22a of the call source. Internet connection is made to the communication terminal 22b side of the other party.

  That is, by inputting the mail address of the keyboard 24 of the communication terminal 22a as the call source, the call partner mail address input signal c is generated by the keyboard operation circuit 38. This call partner mail address input signal c can be connected to the Internet network 14 through the signal relay circuit 36, the call signal editing circuit 34, and the Internet transmission / reception circuit 42.

  The call signal editing circuit 34 generates a callable partner mail address information request signal e by receiving the call disable signal b from the call destination, and sends the request signal e to the call destination through the Internet transmission / reception circuit 42 and the Internet network 14. To be sent.

  In addition, the call signal editing circuit 34 may select one of a plurality of mail addresses included in the callable partner mail address information signal d transmitted from the caller and establish an internet connection with the callee. It can be done.

  Here, when the Internet connection is made, the call signal editing circuit 34 generates a public network connection signal g as shown in FIG. 2B, and transmits this connection signal g to the hybrid circuit 30a side. It has come to be.

  If the call destination editing circuit 34 is not connected to the call destination via the Internet, the call signal editing circuit 34 selects an arbitrary call partner from the mail address of another communicable partner displayed on the display screen 25 by the call disable signal b received. Can be selected to obtain information on whether or not a call is possible.

  The hybrid circuit 30a of the interface device 30 receives the public line network connection signal g from the call signal editing circuit 34 side, and is switched and connected so as to connect the telephone 20a to the public line network 13 side via the telephone line 21. To do.

  On the other hand, as shown in FIG. 2 (b), the communication device 12 as a call destination has the same configuration as the communication device 11 shown in FIG. 2 (a). The communication device 12 is provided so as to be able to make a call by receiving a call signal a1 transmitted from the communication device 11 side of the call source.

  When the communication terminal 22b of the communication device 12 receives the call signal a1 transmitted from the communication terminal 22a side of the communication device 11, if the other party is absent or the call is in progress, the communication of the communication device 12 The call partner mail address information signal a2 is automatically transmitted from the terminal 22b side to the communication terminal 22a side of the communication device 11.

  Therefore, the transmission source can know the received mail address of the call partner by receiving the call partner mail address information signal a2 at the communication terminal 22a.

  Then, by operating the keyboard 24 at the call source and inputting the mail address of the call partner, the communication terminal 22a can be connected to the communication device 22b on the call partner side via the Internet network 14 via the Internet. It has become.

  The other configuration of the communication device 12 is the same as that of the communication device 11 shown in FIG. 1 and the communication device 11 shown in FIG. 2A, so that FIG. 1 and FIG. The same parts as those of the communication apparatus 11 shown in FIG. 1 and FIG.

  Next, the operation of the call system 10 will be described with reference to FIGS.

  FIG. 4 shows a flow until the call is started by the telephone operation of the caller.

  This will be described according to this flow.

  The telephone 20a shown in FIG. 2A is operated to transmit a call signal a1 to the interface device 30 side of the communication terminal 22a <Step 1>.

  The telephone number operated by the telephone is automatically stored in the telephone number / mail address information storage device 30b on the interface device 30 side.

  With the storage by the storage device 30b, the next time a call is made, it can be called and used immediately by searching for a telephone number, for example.

  Also, update processing is performed including the case where the telephone number has already been stored in the communication device 11 side (step 2).

  The call source checks whether or not the mail address of the communication terminal 22b of the other party is already stored on the communication device 11 side.

  If it is stored, the e-mail is sent to the other party using the e-mail address <Step 3a>.

  If it is not stored, that is, if the e-mail address of the other party is not known, the telephone is operated to the other party, and the other party's e-mail address is acquired from the other party e-mail address information signal a2.

  The mail address included in the call partner mail address information signal a2 is displayed on the display screen 25 of the caller communication terminal 22a as shown in FIG. 3A. Yes <Step 3b>.

  Therefore, the mail address of the other party can be confirmed by <Step 3a> and <Step 3b>.

  Next, an internet connection operation is performed based on the mail address of the call partner confirmed in <Step 3a>.

  That is, the mail address is input using the keyboard 24 of the communication terminal 22a.

  By this input operation, a call partner mail address information input signal c is generated from the keyboard operation circuit 38, and this call partner mail address information input signal c is transmitted to the Internet network 14 side via the call signal editing circuit 34 and sent to the mail. Transmission is performed <step 4a>.

  In addition, if the call source communication terminal 22a cannot connect to the call partner side of the communication destination communication terminal 22b by the mail transmission, the call disable signal b is transmitted from the call destination to the call source, A voice is displayed on the speaker 26 of the communication terminal 22a.

  The calling party's caller recognizes this inability to call, and sends the caller's other party mail address information request signal e to the callee again as the caller.

  Then, the mail addresses of a plurality of callable parties are acquired from the call destination by the callable party mail address information signal d.

  When the caller acquires this callable partner mail address information signal d, the mail addresses of a plurality of callable parties included in this signal d are as shown in FIG. Since the data is displayed on the display screen 25 of 22a, the displayed data is visually confirmed.

  Then, as a caller, a desired call partner is selected from a plurality of caller's mail addresses displayed as data and a mail is transmitted <step 4b>.

  In this <Step 4a> or <Step 4b>, it is confirmed whether or not the Internet connection is established with the call (possible) partner.

  At the time of this confirmation, information on whether or not a call is possible is simultaneously confirmed by voice <step 5>.

  At the same time, a public line network connection signal g is transmitted from the call signal transmission / reception circuit 34 of the communication terminal 22a to the hybrid circuit 30a of the interface device 30 and automatically sent from the caller telephone 20a to the call partner telephone 20b. Connected and can start talking <Step 6>.

  According to the call system 10, when a call is made from the caller to the callee using the telephone 20 a through the above <Step 1> to <Step6>, the callee at the callee is first ready to talk. So that you can make a call after the other party is not present or is on the phone. On the other hand, it has the effect of reducing unnecessary call charges.

  In addition, when a telephone is operated, the telephone number is memorized (can be called), the mail address information of the called party is requested and acquired, and the calling party and the calling party can be confirmed at the calling party. Adopting a system that can be stored (registered) at the caller and used when calling with the callee, if necessary, and can display these information by voice and / or data display on the screen. Thus, the visual and auditory sense of the caller at the time of the next call or connection to the Internet can be utilized, so that the caller is comfortable and convenient to use.

  Further, according to the call system 10 of the present invention, since the public line network 13 and the Internet network 14 are utilized, no special call system facilities are required, and unnecessary telephone connections can be prevented. It is possible to provide a call method and a call system that can greatly save the facility cost and the call charge.

  In addition, the call origination information (call enable signal f) and the call disabling information (call disabling signal b) acquired by the call source from the call destination are not necessarily required, and either one of them may be used.

  Further, according to the call system 10, the communication device 11 is used as the call source communication device and the communication device 12 is used as the call destination, but conversely, the communication device 12 is used as the call source communication device. The communication device 11 can be used first.

  That is, it is possible to adopt a configuration in which calls and Internet communication can be performed mutually via the public line network 13 and the Internet network 14.

1 is a schematic diagram of a call system according to the present invention. FIGS. 2A and 2B are diagrams illustrating a specific configuration of the communication device in FIG. 1, in which FIG. 1A is a configuration of a communication device that is a call source, and FIG. The figure which shows the example of a display of the communication destination information displayed on the display screen of the communication terminal of FIG. The flowchart from a telephone operation of the communication system of this invention until a telephone call is started. Schematic diagram of a conventional call system.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Call system 11,12 Communication apparatus 13 Public network 14 Internet network 20a, 20b Telephone 21 Telephone line 22a, 22b Communication terminal 23 Communication terminal main body 24 Keyboard 25 Display screen 26 Speaker 27, 31, 33, 35, 37, 39, 41, 43 Communication line 28 Seated sensor 30 Interface device 30a Hybrid circuit 30b Telephone number / mail address information storage device 32 Call signal transmitting / receiving circuit 34 Call signal editing circuit 36 Signal relay circuit 38 Keyboard operation circuit 40 Seated sensor receiving circuit 42 Internet Transmission / reception circuit a1 Call signal a2 Call partner mail address information signal b Call disable signal c Call partner mail address input signal d Call partner mail address information signal e Call partner mail address information request signal f Call enable signal g Public times Network connection signal h presence recognition signal

Claims (12)

Using the other party's email address to connect to the other party's communication terminal over the Internet;
Obtaining information on whether or not the caller can call the call partner from the call partner side when connected to the Internet;
A call method comprising the step of operating a telephone to a call partner when a caller obtains information that a call can be made from a callee. Operating the telephone at the caller and obtaining the mail address of the caller from the callee;
Using the acquired mail address of the other party to connect to the communication terminal of the other party,
Obtaining information on whether or not the caller can call the call partner from the call partner side when connected to the Internet;
A call method comprising the step of operating a telephone to a call partner when a caller obtains information that a call can be made from a callee. Operating the telephone at the caller and obtaining the mail address of the caller from the callee;
Storing the acquired mail address of the other party in the caller's communication terminal so that it can be called,
Using the acquired mail address of the other party to connect to the communication terminal of the other party,
Obtaining information on whether or not the caller can call the call partner from the call partner side when connected to the Internet;
A call method comprising the step of operating a telephone to a call partner when a caller obtains information that a call can be made from a callee. Operating the telephone at the caller and obtaining the mail address of the caller from the callee;
Displaying the acquired mail address of the other party on the display screen of the communication terminal of the caller;
Using the mail address of the other party whose data is displayed, connecting to the communication terminal of the other party,
Obtaining information on whether or not the caller can call the call partner from the call partner side when connected to the Internet;
A call method comprising the step of operating a telephone to a call partner when a caller obtains information that a call can be made from a callee. Using the other party's email address to connect to the other party's communication terminal over the Internet;
Obtaining from the callee information on whether the caller can call the call partner when connected to the Internet;
When the above caller obtains information on whether or not the caller can call, and if this information indicates that the caller is absent or busy, the caller can send multiple caller emails. Requesting address information from the callee over the Internet;
And a step of selecting a desired call partner at the call source and operating the telephone to the call partner side based on mail address information transmitted from the transmission destination in response to a request from the call source. Call method. Using the other party's email address to connect to the other party's communication terminal over the Internet;
Obtaining information on whether or not the caller can call the call partner from the call partner side when connected to the Internet;
In the caller, when acquiring information on whether the call is possible or incapable of communication from the callee, displaying this information on at least one of the display screen and the speaker of the communication terminal on the caller side;
And a step of operating the telephone from the calling party to the calling party when the other party can make a call based on the displayed information. The step of acquiring information from the call destination whether or not the caller can call the call partner is as follows:
7. The calling method according to claim 1, further comprising a step of acquiring a call enable signal at a caller when the call partner is present and not talking. The step of acquiring information from the call destination whether or not the caller can call the call partner is as follows:
7. The calling method according to claim 1, further comprising a step of acquiring a call enable signal at a caller when the call partner is absent or busy. A call source communication device, a call destination communication device, and a public line network and an Internet network for communication connection between these communication devices,
The communication device of the call destination includes a telephone, a presence sensor that recognizes the presence of the other party, and a communication terminal that recognizes that the call is not in progress.
The above-mentioned communication device of the calling party can make a call by connecting the telephone and the Internet network, and receiving information on whether the other party is present and whether or not a call is in progress from the communication terminal of the other party. And a communication terminal that recognizes that
A call system characterized in that the communication terminal of the call source is provided with an interface device for switching connection from the Internet network to the public line network when the call partner recognizes that the call is possible. A call source communication device, a call destination communication device, and a public line network and an Internet network for communication connection between these communication devices,
The communication device of the call destination includes a telephone, a presence sensor that recognizes the presence status of a plurality of callable parties, and a presence recognition signal that indicates the presence status of a plurality of callable opponents by the presence sensor, A communication terminal that can transmit to the caller,
The communication device of the caller includes a telephone and a communication terminal capable of receiving an attendance recognition signal indicating the presence of the plurality of callable parties through the Internet network,
The communication terminal of the caller is provided with an interface device for switching connection from the Internet network to the public line network based on the presence recognition signal indicating the presence status of the plurality of callable parties. Call system characterized by. On the communication terminal of the communication device of the caller, a display screen capable of displaying the presence of the call partner or a plurality of callable parties and information that can be recognized as not in a call by at least one of voice and screen data display, and The call system according to claim 9 or 10, further comprising at least one of speakers. On the communication terminal of the caller communication device, a display screen capable of displaying information that can be recognized as being absent from the call partner or a plurality of callable parties and being in a call by at least one of voice and data display on the screen The call system according to claim 9, further comprising at least one of a speaker and a speaker.

Images