JP3397719B2 - Call holding and connection method by telecommunications network - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telecommunications service system mainly for telephone services, and when a caller of a telecommunications network makes a call to a called subscriber, the called party is judged by the called subscriber. The present invention relates to a call holding / connecting method by a telecommunications network for increasing the probability of connection between a caller and a called subscriber by connecting a call from the device to a holding device in the telecommunications network and making it wait.

[0002]

2. Description of the Related Art Conventionally, a large number of calls are simultaneously received to a specific subscriber having a plurality of lines as represented by customer support (product name), and all the communication recipients of the subscriber respond to the call. If the caller is in the middle, it is not connected even if the call is made from the caller, or the caller terminal and the communication line are connected by the automatic response from the voice response information collection device that is the subscriber facility. It was necessary to wait until the subscriber's communication receiver could respond. In the former case, the caller often gives up the call by listening to the tone during communication,
In the latter, the caller was often allowed to wait while the caller occupied the communication line. Therefore, in order to ensure that the caller and the subscriber can communicate with each other with all the lines blocked, it is necessary to install a voice response information collecting device as subscriber equipment. Had a problem that the initial introduction cost increased.

[0003]

As described above, in the conventional telephone service, when a callee of a specific subscriber having a plurality of lines receives an incoming call while all the lines are being handled, the caller is communicating. It was necessary to install a voice response information collecting device as a subscriber facility in order to give up the call and disconnect because it hears the tone of, or to wait until there is an empty connection. In the former case, the service for the caller is degraded, and in the latter case, the initial introduction cost increases.

Therefore, an object of the present invention is to solve these conventional problems, and when an incoming call is received while all the receptionists of the subscriber are responding, the voice response information collecting device is not installed as the subscriber facility. even, pending a call-by telecommunications network the subscriber can communicate with the caller to wait for an available
It is to provide a connection method.

[0005]

In order to achieve the above object, in the call holding method by the telecommunications network of the present invention, when a caller makes a call to a called subscriber, a service control device in the telecommunications network. Notifies the computer of the called subscriber that the call has occurred, and when all the callees of the called subscriber are available, the computer sends a voice signal in the telecommunications network to the service control device. By instructing the connection of the call to the response information collection device, the call from the caller is connected to the voice response information collection device. At the time when the receptionist of the called subscriber becomes available, by instructing the service control device to connect the call to the terminal of the receptionist who can correspond, from the computer,
The caller and the callee at the called party are connected and can communicate with each other. As a result, even if the called subscriber does not install the voice response information collection device, the service control device connects the call from the caller to the voice response information collection device in the telecommunications network and puts it on standby. It is possible to increase the probability of connection between the destination subscriber and the destination subscriber, and as a result, it is possible to effectively utilize the line resources.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a block diagram of a telecommunications network and a destination subscriber facility showing an embodiment of the present invention. Generally, there are a plurality of switching devices in a telecommunication network, but only a part of them is shown in FIG. A caller 1 who is a communication entity using a telecommunication network, its communication device 2 and a communication device 10 of a called subscriber are shown. The switching device 3 accommodates the line 11 connected to the communication device 2 of the caller 1, and the switching device 7 controls the communication device 10 of the called subscriber.
The line 13 connected to the private branch exchange 9 which accommodates the line 12 to which is connected. Between the exchange devices 3 and 7,
Communication information is transmitted via the relay switching network 5. Here, the switching device 3 accommodating the line 11 and the switching device 7 accommodating the line 13 are separate and different switching devices, but the present invention can be applied even if they are the same switching device.

In the telecommunications network, in addition to the switching network, the function of transmitting and receiving information necessary for line connection to and from the switching device 3 and the computer 8 provided in the called subscriber terminal are exchanged. An intelligent network composed of a service control device 6 having a function of transmitting and receiving information via a transmission means that does not use a device is arranged. That is, the service control device 6 controls various services, is connected to the switching device 3 via the transmission means 14, and the service control device 6 and the computer 8 of the called subscriber have the transmission means 15. And information transmission / reception for realizing the information notifying means according to the present invention. The voice response information collecting device 4 has a function of transmitting voice guidance to the communication device 2 or 10 connected to the line by the exchange device 3, and similarly, the communication device connected to the line by the exchange device 3 also. It has a function to collect information by dialing from 2 or 10. The voice response information collecting device 4 also transmits communication information to the switching devices 3 and 7 via the relay switching network 5. Also,
Computer 8 and private branch exchange 9 in the destination subscriber facility
Are connected by the transmission means 16, and the computer 8 can send and receive information for grasping the usage status of the communication equipment connected to the private branch exchange 9.

2 to 6 are operation flowcharts of the call holding method according to the first embodiment of the present invention. Here, when the caller makes a call to the called subscriber, if all the communication equipment of the called subscriber is in use, the called subscriber's computer sends a call to the exchange through the service control unit. On the other hand, a procedure for instructing the voice response information collecting device to perform circuit switching for a call from a caller is shown. Reference numerals 2, 3, 6 and 8 in the figure respectively indicate the operations of the communication equipment of the caller, the switching equipment, the service control equipment and the computer of the destination subscriber equipment. First, the caller 1 inputs the identification information of the called subscriber into the communication device 2 of the caller 1, and sends the call signal 17 through the line 11 to the switching device 3.
(Step 101). Next, the switching device 3 needs to detect the calling signal 17, recognize the identification number information of the called subscriber in the calling signal 17, and notify the service control device 6 of the reception of the calling signal 17. Is recognized (step 102). The switching device 3 includes a transmission means 14
To the service control device 6 through the call notification signal 18
To send.

The service control unit 6 sends a call notification signal 18
When the call is detected, the identification information of the called subscriber in the call notification signal 18 is recognized, and the caller 1's computer 8 must be notified of the call connection request from the caller 1 and inquire about the call destination. Recognize that (step 10
3). The service control device 6 transmits a line connection destination inquiry signal 19 (caller identification information, dialer number by the caller) to the computer 8 of the callee subscriber through the transmission means 15. The computer 8 of the called subscriber is
The caller 1 recognizes the caller identification information in the line connection destination inquiry signal 19 and the dialed number by the caller, recognizes that all the communication devices of the callee subscriber are in use, and the caller 1
It is judged that it is necessary to instruct the service control device 6 to connect the call of the caller 1 to the voice response information collecting device 4 by line (step 104). The destination subscriber's computer 8 transmits a line connection request notification signal 20 to the service control device 6 through the transmission means 15 (above, FIG. 2).

When the service control device 6 detects the line connection request notification signal 20, the service connection device 6 detects the line connection request notification signal 20.
Recognizes the identification information of the voice response information collecting device 4 and recognizes that it is necessary to request the switching device 3 to connect the call from the caller 1 to the voice response information collecting device 4 (step 105). . The service control device 6 uses the transmission means 14
The line connection request signal 21 (identification information of the voice response information collection device 4) is transmitted to the exchange device 3 through the. When the switching device 3 detects the line connection request signal 21, the switching device 3 recognizes the identification information of the voice response information collecting device 4 in the line connection request signal 21 and sends the call from the caller 1 to the voice response information collecting device 4. It is necessary to connect the line and request the voice response information collecting device 4 to send voice guidance to the communication device of the caller 1 (step 106). The switching device 3 executes a line connection process for the call from the caller 1 to the voice response information collecting device 4 (step 107) (above, FIG. 3).

The switching device 3 recognizes that the line connection to the voice response information collecting device 4 for the call of the caller 1 is completed, and recognizes that it is necessary to notify the service control device 6 of the completion of the line connection. (Step 108). Exchange device 3
Sends a line connection completion notification signal 22 to the service control device 6 through the transmission means 14. When the service control device 6 detects the line connection completion notification signal 22, the service control device 6 recognizes the completion of the line connection to the voice response information collecting device 4 of the call from the caller 1, and the line connection to the computer 8 of the called subscriber. The necessity of notification of completion is recognized (step 109). The service control device 6 sends a line connection completion notification signal 23 to the computer 8 of the called subscriber through the transmission means 15.
To send. When the computer 8 of the called subscriber detects the line connection completion notification signal 23, it recognizes that the call from the caller has been connected to the voice response information collecting device 4, and the communication equipment of the called subscriber is identified. The monitoring process is executed until it becomes usable (step 110) (above, FIG. 4).

When the computer 8 of the called subscriber recognizes that the communication device of the called subscriber is available, the call from the caller 1 to the voice response information collecting device 4 is transferred to the called party. It is determined that a line connection is to be made to the subscriber's communication device 10, and the call line-connected from the caller 1 to the voice response information collecting device 4 is connected to the communication device 10 made available to the destination subscriber. First, it recognizes that a connection request instruction to the service control device 6 is necessary (step 111). Computer of called subscriber 8
Transmits a line connection request notification signal 24 to the service control device 6 through the transmission means 15. When the service control device 6 detects the line connection request notification signal 24, the service control device 6 sends a call line-connected from the caller 1 to the voice response information collection device 4 to the communication device 10 that is made available to the called subscriber. It is recognized that it is necessary to make a line connection request to the exchange 3 (step 112). Service control device 6
Sends a line connection request signal 25 to the exchange 3 through the transmission means 14. Upon detecting the line connection request signal 25, the switching device 3 recognizes the identification information of the communication device 10 of the called subscriber in the line connection request signal 25, and the caller 1 is connected to the voice response information collecting device 4. A line connection process is performed for the existing call to the communication device 10 of the called subscriber (step 113) (above, FIG. 5).

When confirming the completion of the line connection to the communication device 10 of the destination subscriber of the call from the caller 1, the switching device 3 recognizes the necessity of giving a line connection completion notification to the service control device 6 (step 114). The switching device 3 sends a line connection completion notification signal 26 to the service control device 6 through the transmission means 14. Upon detecting the line connection completion notification signal 26, the service control device 6 recognizes that the call from the caller 1 has been line-connected to the communication device 10 of the called subscriber, and the computer 8 of the called subscriber receives the call. On the other hand, the necessity of the line connection completion notification is recognized (step 115).
The service control device 6 sends a line connection completion notification signal 27 to the computer 8 of the called subscriber through the transmission means 15.
To send. When the computer 8 of the called subscriber detects the line connection completion notification signal 27, the call from the caller connected to the voice response information collecting device 4 is connected to the communication device 10 of the called subscriber. The completion is recognized (step 116) (above, FIG. 6).

7 to 11 are operation flowcharts of the call holding method according to the second embodiment of the present invention. Here, the called subscriber temporarily holds the call from the caller 1 in the voice response information collecting device 4, causes the caller 1 to collect information at the same time, and sends it to the communication device determined based on the collected information. The procedure for instructing to connect the call from the person 1 to the line is shown. It should be noted that reference numerals 2, 4, 3, 6 and 8 in FIGS. 7 to 11 denote a communication device of the caller, a voice response information collecting device, a switching device, a service control device and a computer of the called subscriber. The caller 1 first inputs the identification information of the called subscriber into the communication device 2 of the caller 1 (off-hook + dial of the called subscriber's identification number) (step 2
01), the calling signal 28 is transmitted to the exchange 3 through the line 11. When the switching device 3 detects the calling signal 28, the switching device 3 recognizes the identification number information of the called subscriber in the calling signal 28, and the service control device 6 receives the calling signal 28.
Recognize that it is necessary to notify (step 20)
2). The switching device 3 transmits a call notification signal 29 to the service control device 6 through the transmission means 14.

The service control device 6 recognizes the identification information of the called subscriber in the call notification signal 29, and notifies the computer 8 of the called subscriber of the call connection request from the caller 1 and the call connection. Recognize that the previous inquiry is necessary (step 203). The service control device 6 is
A line connection destination inquiry signal 30 is transmitted to the computer 8 of the destination subscriber through the transmission means 15. When the computer 8 of the called subscriber detects this line connection destination inquiry signal 30, the line connection destination inquiry signal 3
The caller identification information in 0 and the dialed number by the caller 1 are recognized, the call from the caller 1 is temporarily held, it is determined that the information is collected from the caller 1, and the service control device 6 is notified. Recognizing the need for a line connection of the call from the caller 1 to the voice response information collecting apparatus 4 and the notification of the information collection request from the caller 1 by the voice response information collecting apparatus 4 (step 204) (see FIG. 7). .

The destination subscriber's computer 8 transmits a line connection and information collection request notification signal 31 to the service control device 6 through the transmission means 15. Upon detecting the line connection and information collection request notification signal 31, the service control device 6 recognizes the identification information of the voice response information collection device 4 in the line connection and information collection request notification signal 31, and the callee subscriber makes a call. Recognizing that the call from the caller 1 is to be line-connected to the voice response information collecting apparatus 4, the switching apparatus 3 is connected to the voice response information collecting apparatus 4 for the call from the caller 1, and the voice is received. The necessity of the information collection request notification from the sender 1 by the response information collection device 4 is recognized (step 205). The service control device 6 transmits a line connection and information collection request signal 32 to the exchange device 3 through the transmission means 14. When the switching device 3 detects the line connection and information collection request signal 32, the voice response information collection device 4 in the line connection and information collection request signal 32.
Recognizes the identification information of the caller, connects the call from the caller 1 to the voice response information collecting device 4, and sends voice guidance to the voice response information collecting device 4 to the communication device 2 of the caller 1 and the caller 1 Recognize the need to request information collection from (step 206). Then, the switching device 3 executes a line connection process to the voice response information collecting device 4 of the call originated from the caller 1 (step 207) (above, FIG. 8).

When the exchange apparatus 3 detects the completion of the voice guidance transmission and the information collection by the voice response information collection apparatus 4,
The necessity of the line connection completion notification to the service control device 6 is recognized (step 208). The switching device 3 includes a transmission means 14
A line connection completion notification signal 33 is transmitted to the service control device 6 through. When the service control device 6 detects the line connection completion notification signal 33, the service control device 6 recognizes the line connection of the call from the caller 1 to the voice response information collecting device 4 and the completion of information collection by the voice response information collecting device 4, and receives the call. It recognizes the need for notification of completion of line connection to the computer 8 of the previous subscriber (step 209). The service control device 6 transmits a line connection completion notification signal 34 to the computer 8 of the called subscriber through the transmission means 15. Upon detection of the line connection completion notification signal 34, the computer 8 of the called subscriber confirms the line connection from the caller 1 to the voice response information collecting device 4 and the completion of information collection by the voice response information collecting device 4. Recognizing and deciding the communication device to receive the call from the caller 1 as the communication device 10 based on the information collected by the voice response information collecting device 4 in the line connection completion notification signal 34 (step 210) (above). 9).

Further, the computer 8 of the called subscriber.
Recognizes that it is necessary to notify the service control device 6 of the line connection request to the communication device 10 of the called subscriber of the call from the caller 1 (step 211). The destination subscriber's computer 8 transmits a line connection request notification signal 35 to the service control device 6 through the transmission means 15. When the service control device 6 detects the line connection request notification signal 35, it recognizes that the called subscriber has decided the communication device 10 to connect the call from the caller to the switching device 3. The communication device 10 of the destination subscriber of the call from the caller 1 that is line-connected to the voice response information collecting device 4.
Recognize the need to notify the line connection request to (step 2
12). The service control device 6 transmits a line connection request signal 36 to the exchange device 3 through the transmission means 14.
When the switching device 3 detects the line connection request signal 36, the switching device 3 is connected to the voice response information collecting device 4 based on the identification information of the communication device 10 of the called subscriber in the line connection request signal 36. The call connection from the person 1 to the communication device 10 of the called subscriber is executed (step 21).
3) (above, FIG. 10).

The switching device 3 recognizes the completion of the line connection to the communication device 10 of the called subscriber of the call from the caller 1 who has been line-connected to the voice response information collecting device 4, and then connects to the service control device 6. Recognize the need for notification (step 214).
The exchange apparatus 3 transmits a line connection completion notification signal 37 to the service control apparatus 6 via the transmission means 14. When the service control device 6 detects the line connection completion notification signal 37, the service control device 6 confirms the completion of the line connection to the communication device 10 of the destination subscriber of the call from the caller 1 who was line-connected to the voice response information collecting device 4. Recognize and call recipient computer 8
Recognizes the need to notify (step 215). The service control device 6 transmits a line connection completion notification signal 38 to the computer 8 of the called subscriber through the transmission means 15. When the computer 8 of the called subscriber detects this line connection completion notification signal 38, the call from the caller 1 who is line-connected to the voice response information collecting device 4 is connected to the communication device 10 of the called subscriber. Recognize connection completion (step 216) (above, FIG. 11).

In FIG. 1, the switching device 3 which accommodates the communication device 2 of the caller 1 and the switching device 7 which accommodates the private branch exchange device 9 of the called subscriber are connected via the transit switching network 5. However, as described above, the present invention is applicable even when the same switching device, for example, the switching device 3 accommodates the communication device 2 of the caller 1 and the private branch exchange device 9 of the called subscriber. Of course. Further, the voice response information collecting device 4 receives and accumulates the information input from the caller, reads this information and transmits it to the exchange device 3, but instead of transmitting it to the exchange device 3, the service control is directly performed. It may be transmitted to the device 6.

[0021]

As described above, according to the present invention,
Even if the called subscriber does not install a voice response information collection device, the call from the caller is connected to the voice response information collection device of the telecommunications network to hold the call, thereby allowing the callee to join the call destination. It is possible to increase the probability of connection to the caller, effectively utilize the line resources, and increase the chances of the called subscriber to respond.

[Brief description of drawings]

FIG. 1 is a block diagram of a telecommunications network and a destination subscriber facility to which a call holding method according to the present invention is applied.

FIG. 2 is an operation flowchart (No. 1) of the call holding method according to the first embodiment of the present invention.

FIG. 3 is likewise an operation flowchart (part 2) of the call holding method.

FIG. 4 is also an operation flowchart (No. 3) of the call holding method.

FIG. 5 is also an operation flowchart (No. 4) of the call holding method.

FIG. 6 is also an operation flowchart (No. 5) of the call holding method.

FIG. 7 is an operation flowchart (No. 1) of the call holding method according to the second embodiment of the present invention.

FIG. 8 is likewise an operation flowchart (No. 2) of the call holding method.

FIG. 9 is also an operation flowchart (No. 3) of the call holding method.

FIG. 10 is also an operation flowchart (No. 4) of the call holding method.

FIG. 11 is also an operation flowchart (No. 5) of the call holding method.

[Explanation of symbols]

1 ... Caller, 2 ... Caller's communication device, 3 ... Switch, 4
... voice response information collecting device, 5 ... relay switching network, 6 ... service control device, 7 ... switching device, 8 ... destination subscriber computer, 9 ... private branch exchange device, 10 ... destination subscriber communication device, 11 , 12, 13 ... Connection line, 14, 15, 16
... Transmission means, 17 ... Calling signal, 18 ... Calling notification signal, 1
9 ... Line connection destination inquiry signal, 20 ... Line connection request notification signal, 21 ... Line connection request signal, 22 ... Line connection completion notification signal, 23 ... Line connection completion notification signal, 24 ... Line connection request notification signal, 25 ... Line Connection request signal, 26 ... Line connection completion notification signal, 27 ... Line connection completion notification signal, 28
... calling signal, 29 ... calling notification signal, 30 ... line connection destination inquiry signal, 31 ... line connection and information collection request notification signal, 32 ... line connection completion notification signal, 33 ... line connection completion notification signal, 34 ... line Connection completion notification signal, 35 ... Line connection request notification signal, 36 ... Line connection request notification signal, 37
... line connection completion notification signal, 38 ... line connection completion notification signal.

Claims (2)

(57) [Claims] 1. A telephone including a switching device accommodating a calling terminal and another switching device accommodating a called subscriber terminal.
A telecommunications network, performs information transmission for performing a telephone service, and transmit and receive information necessary for line connection between the switching device, provided in the incoming destination subscriber features, the destination subscriber An intelligent system including a computer that determines whether to connect to a terminal and a service control device that transmits and receives information necessary for line connection between the computer and a computer through a transmission unit that does not use a switching device. A method of holding and connecting a call by a telecommunications network that has a network and is connected to a voice response device that outputs voice guidance when a line is connected. A call is made from a caller terminal to a called subscriber terminal. When, the switching device for receiving the calling party terminal, information about the person the call via the intelligent network sends to the service control device, the service control unit, information about the person the call Via the intelligent network sends to the computer provided in said destination subscriber station in <br/>, the computer will line connecting the call from the calling party terminal to the voice response unit by a self-determination To the service control device via the intelligent network, and the service control device receives the call from the caller terminal.
That the line connection to the voice response unit via the intelligent network instructs the exchange apparatus which accommodates the calling party terminal, said switching apparatus, said voice response the call from the calling party terminal
Connected device sends a voice guidance with respect to calling party terminal from the voice response unit, the computer can be connected to the destination subscriber terminal
When determining that it is now, the voice response from the calling party terminal
The service control device is instructed via the intelligent network to connect the call connected to the answering device to the destination subscriber terminal , and the service control device is connected to the intelligent network.
Sends a line connection request signal to the switching apparatus via a click, the switching apparatus, based on the information of the line connection request signal, the call
Connect the line from the voice response device to the destination subscriber terminal
A call holding / connecting method by a telecommunication network characterized by the following. 2. A switching device and a destination for accommodating a caller terminal.
Telephones that include other switching equipment that accommodates subscriber terminals.
It is a communication network and provides information for telephone services.
And send and receive information necessary for line connection with the above switching device
Is provided in the destination subscriber's facility, and the destination subscriber's terminal is
A computer that determines whether to connect to
Circuit through the transmission means without switching equipment
Consists of a service control unit that sends and receives information necessary for connection
Response information collection device that has an intelligent network and sends out voice guidance when a line is connected
Is a method of holding / connecting a call by a telecommunications network connected to
I, computer provided to the destination subscriber within the facility,
And the line connecting the call from the caller terminal to the voice response information collecting device of a telecommunication network, to request information collection from the caller, and instructs the service control unit via the intelligent network, the service The control device connects the call from the call originator terminal to the voice response information collecting device, and instructs the switching device that accommodates the call originator terminal to request information collection, and the switching device the call from the caller terminal connected to the voice response information collecting apparatus, instructs the collection of delivery and information voice guidance with respect to calling party terminal from the voice response collecting apparatus, the service control unit, the after the voice response information collecting apparatus of line connection completion notification, upon receiving the information collection completion notification, sending a line connection completion notification signal to the computer via the intelligent network And, the computer, based on the information collected by the voice response information collecting apparatus in the line connection completion notification signal, determines the destination subscriber terminal for incoming the call from the calling party terminal, the intelligent network A line connection request notification signal to the service control apparatus via the intelligent network, the service control apparatus sends a line connection request signal to the exchange apparatus via the intelligent network, and the exchange apparatus requests the line connection request. Destination subscriber end in signal
A call holding / connecting method using a telecommunications network, wherein the call is connected from the voice response information collecting device to a terminal designated by a called subscriber based on end information .