JPH06133054A - Transfer controller - Google Patents

Abstract

PURPOSE:To transfer an incoming call when a move destination is not known beforehand by informing a transfer source telephone set of an incoming transfer command and the telephone number of an incoming transfer destination from a transfer destination telephone set. CONSTITUTION:When an IC card 50 where the telephone number of a transfer source is stored is inserted into the IC card interface 14 of the transfer destination telephone set 10, an IC card control circuit 13 transmits the telephone number of the transfer source to a transmission control circuit 15 through a telephone control circuit 12. The circuit 15 gives the notice of a self telephone number stored in a self telephone number storage circuit 16 and an incoming transfer setting indication command stored in an incoming transfer setting indication command storage circuit 17 to the transfer source telephone set by using a sub-address notice or an inter-user information notice. The transfer source telephone set executes the processing of incoming transfer by noticed information. Thus, the incoming call to the telephone set of the transfer source can directly be received in the telephone set 10 of the move destination even if the shift destination is not known be forehand.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer control device for carrying out processing for transferring a telephone call received from a transfer source telephone to a transfer destination telephone.

[0002]

2. Description of the Related Art In a conventional telephone connected to ISDN, which is a digital network, the following operation procedure is performed in order to carry out call transfer processing. First, off-hook the transfer source phone from the transfer source phone, press the special special number operation key from the transfer source phone, enter the special number to be set for call transfer, for example, "32", and then enter the telephone number of the transfer destination phone. Needed to type, go on-hook, operation.

In this way, when controlling the call transfer by the additional service of the digital public network, the transfer destination telephone number is set in advance in the transfer source telephone, and after the above setting, the transfer source telephone is transferred from the digital exchange network. When an incoming call was received, a telephone call was transferred to the transfer destination telephone via the network.

[0004]

As described above, in using the conventional call transfer service, the call cannot be used unless the telephone number of the telephone to be transferred is known, and the telephone number of the destination is known. However, the method of use was extremely limited in operation, such as setting and changing the setting at the destination.

[0005]

A transfer control device according to the present invention comprises a transfer destination telephone and a transfer source telephone, and the transfer destination telephone stores a telephone control circuit, an ISDN interface circuit, and a telephone number of its own telephone. A telephone number storage circuit, a command storage circuit for storing a command for giving an instruction for call forwarding setting or cancellation processing, a telephone number from the telephone number storage circuit, and a call forwarding setting or cancellation processing from the command storage circuit. The transfer source telephone is provided with a transmission control circuit for sending a command giving an instruction to the digital network side as a sub-address notification or a user-to-user information notification. The transfer source telephone, a telephone control circuit, an ISDN interface circuit, a sub-address notification or a user-to-user information notification. Sub-address notification identification circuit that receives and identifies the received call When the command indicating the setting instruction is included, the command necessary for activating the setting of the call transfer service of the digital network is controlled to be sent to the digital network, and the command indicating the instruction of canceling the call transfer is included. In this case, it has an incoming call transfer control circuit for controlling the sending of a command necessary for activating cancellation of the incoming call forwarding service of the digital network to the digital network.

[0006]

In the present invention, when the call transfer request command, which is information necessary for call transfer from the transfer destination telephone, and the call transfer destination telephone number are notified by using the subaddress notification or the inter-user information notification, these Based on the information, the transfer source telephone transfers the call to the transfer destination telephone when another telephone makes a call.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the relationship between a transfer source telephone and a transfer destination telephone will be outlined with reference to FIGS.

In FIG. 5, a transfer destination telephone set 10, a transfer source telephone set 20, and a calling telephone set 30 are connected to an ISDN network 40. An object of the present invention is to automatically transfer to the transfer destination telephone number 10 when the transfer source telephone 20 receives an incoming call from the calling telephone 30. The steps therefor are shown in FIG. The case of using an IC card will be described below.

In step 1, the owner of the IC card moves from the transfer source telephone 20 to the transfer destination telephone 10. Then, in step 2, the IC card is inserted into the transfer destination telephone 10 and the call transfer instruction code stored in advance in the IC card and the telephone number of the transfer destination telephone 10 are sent to the transfer source telephone 20 to set the transfer settings. To do. Thereafter, when a call is made from the calling telephone 30 to the transfer source telephone 20 in step 3, the transfer source telephone 20 transfers the call to the transfer destination telephone 10 in step 4. As a result, in step 5, the calling telephone 30 and the transfer destination telephone 10 can communicate with each other.

Next, an embodiment of the present invention will be described. Although the present embodiment can be realized by an operation by manual input, a realizing means using an IC card will be shown as a method of further improving operability. FIG. 1 is a block diagram of a calling side telephone, that is, a transfer destination telephone 10 in an embodiment of the present invention. In FIG. 1, 11 is an ISDN interface circuit, 12 is a telephone control circuit, 1
3 is an IC card control circuit, 14 is an IC card interface, 15 is a transmission control circuit, 16 is an own telephone number storage circuit, 17 is an incoming call transfer setting instruction command storage circuit, 18 is an incoming call transfer cancellation instruction command storage circuit, and 19 is a power supply. The circuit unit, 50 is an IC card. In the ISDN line, a sub-address notification, that is, a specific communication device among a large number of communication devices on the bus wiring can be designated for communication. In addition, when sending information between users, that is, when sending a communication partner's number or a communication end signal to the communication partner, a maximum of 128 octets (equivalent to 128 alphanumeric characters) can be sent together with these signals. Therefore, simple information can be contacted.

Next, the operation will be described. First, when an incoming call transfer requester who has the IC card 50 storing the transfer source telephone number inserts the IC card 50 into the IC card interface 14, the IC card control circuit 1
3, the transfer source telephone number is sent to the transmission control circuit 15 via the telephone control circuit 12.

Further, an incoming call transfer setting instruction command is sent from the incoming call transfer setting instruction command storage circuit 17 to the transmission control circuit 15.
To the ISDN line from the telephone control circuit 12 via the ISDN interface circuit 11 as a sub-address notification together with the own telephone number stored in the own telephone number storage circuit 16 by the transmission control circuit 15 and the call transfer instruction command. Make a call. At this time, the transfer destination telephone 10 makes a call using the transfer source telephone number by using the telephone number information of the transfer source telephone 20 stored in the IC card 50.

FIG. 2 shows an operation flow mainly of the transmission control circuit 15 in the transfer destination telephone 10 of FIG. In Figure 2,
The IC card holder sends the IC card 50 to the transfer destination telephone 10.
The flow of control in the transmission control circuit 15 from the insertion of the call to the call to the transfer source telephone 20 is shown.

FIG. 3 is a block diagram of the transfer source telephone 20 in one embodiment of the present invention. In FIG. 3, 21 is I
SDN interface circuit, 22 is telephone control circuit, 23
Is a sub-address notification storage circuit, 24 is an incoming call transfer control circuit, and 25 is a power supply circuit section.

When the incoming call from the transfer destination telephone 10 is received, the contents of the subaddress notification are stored in the subaddress notification storage circuit 23 from the ISDN interface circuit 21 via the telephone control circuit 22. When the contents of the sub-address notification storage circuit 23 are identified by the incoming transfer control circuit 24, and the identification content includes an incoming transfer setting instruction command, the incoming transfer control circuit 24 determines the transfer destination telephone number obtained from the sub-address notification storage circuit 23. The call transfer command "32" to be notified to the network in response to an incoming call from the general public by a sequence according to the call transfer processing which is an additional service of the digital public network for the network using
And the transfer destination telephone number via the telephone control circuit 22, ISD
It is sent from the N interface circuit 21 through the ISDN line.

When the holder of the IC card 50 moves to the transfer destination telephone 10 when the above settings are completed, the ringing of the incoming call is automatically transferred to the transfer destination telephone 10. The destination at this time is effective for both the PBX and the extension line movement in the private branch exchange, or the movement of different outside lines.

FIG. 4 shows an operation flow performed by the incoming call transfer control circuit 24 in the transfer source telephone 20 of FIG. In FIG. 4, the content of the received sub-address notification is identified, and the flow of the incoming call transfer control circuit 24 based on the identified content is shown. It is also clear that the same effect can be obtained by using the inter-user information notification instead of the sub-address notification.

When canceling the incoming call transfer, the incoming call transfer cancellation request command command is sent from the incoming call transfer cancellation instruction command storage circuit 18 of FIG. 1 to the transmission control circuit 15 as in the case of performing the above forwarding setting. It can be canceled by doing so. It goes without saying that the transfer can be canceled not only from the transfer destination telephone 10 but also from the transfer source telephone 20 or the telephone of the present invention at another destination.

In the above embodiments, the IC card 50 having a storage memory is described as an example, but the telephone number of the transfer source telephone 20 is sent to the transmission control circuit 15 using manual input instead of the IC card 50. It is possible to obtain the same effect.

[0020]

As described above in detail, according to the present invention, the transfer destination telephone is the telephone control circuit, the ISDN interface circuit, the telephone number storage circuit for storing the telephone number of the own telephone, and the setting or cancellation of the call forwarding. A command storage circuit that stores a command that gives a processing instruction, a telephone number from the telephone number storage circuit, and a command that gives an instruction for setting or canceling call forwarding from the command storage circuit as a sub-address notification or inter-user information notification. The transfer source telephone is provided with a transmission control circuit for sending to the digital network side, and the transfer source telephone has identified the telephone control circuit, the ISDN interface circuit, and the sub-address notification identifying circuit for receiving and identifying the sub-address notification or the inter-user information notification. Result If a command indicating the setting of call transfer is included, the digital network Controls to send the command necessary for activating the setting of the call transfer service to the digital network, and when the command indicating the cancellation of the call transfer is included, cancels the call transfer service of the digital network. Since it has an incoming call transfer control circuit that performs control to send out a command necessary for that purpose to the digital network, even if the destination of the move is not known in advance, it is simple if the telephone of the present invention is in the destination, for example, a conference room of a business trip destination. The effect of being able to receive an incoming call to the caller's phone directly afterwards by a manual operation or inserting an IC card is the effect that it can be directly received by the phone at the business trip destination, and at the same time, the call transfer process is free by using the subaddress notification. The effect that it can be expected can be expected.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a transfer destination telephone according to an embodiment of the present invention.

2 is a main part of an operation flowchart of a transmission control unit in the embodiment of FIG. 1 of the present invention.

FIG. 3 is a block diagram showing a configuration of a transfer source telephone in one embodiment of the present invention.

4 is a main part of an operation flowchart of an incoming call control unit in the embodiment of FIG. 3 of the present invention.

FIG. 5 is a conceptual diagram for explaining the overall configuration of the present invention.

FIG. 6 is a diagram for explaining the operation of FIG.

[Explanation of symbols]

 10 transfer destination telephone 11 ISDN interface circuit 12 telephone control circuit 13 IC card control circuit 14 IC card interface 15 transmission control circuit 16 own telephone number storage circuit 17 incoming call transfer setting instruction command storage circuit 18 incoming transfer release instruction command storage circuit 19 power supply circuit Part 20 Transfer source phone 21 ISDN interface circuit 22 Telephone control circuit 23 Sub-address notification identification circuit 24 Incoming transfer control circuit 25 Power supply circuit part 30 Calling phone 40 ISDN network 50 IC card

Claims (1)

[Claims] 1. A transfer control system for requesting a transfer from a transfer destination phone to a transfer source phone and transferring to the transfer destination phone when a call is made to the transfer source phone, wherein the transfer destination phone Is a telephone control circuit, an ISDN interface circuit, a telephone number storage circuit for storing the telephone number of its own telephone, a command storage circuit for storing a command for instructing the setting or cancellation of incoming call transfer, and the telephone number storage. The transfer source telephone is provided with a circuit for transmitting the own telephone number from the circuit and a command for instructing the setting or cancellation of incoming call transfer from the command storage circuit to the digital network side as a sub-address notification or inter-user information notification. Receives a telephone control circuit, an ISDN interface circuit, a sub-address notification or an inter-user information notification If a sub-address notification identification circuit for identifying the call is set and a command indicating an instruction for setting the call transfer as a result of the identification is included, the command necessary for activating the setting of the call transfer service of the digital network is sent to the digital network. If a command to control and include an instruction to cancel the call forwarding is included, the call forwarding control circuit that controls the sending of the command necessary to activate the cancellation of the call forwarding service of the digital network to the digital network is performed. A transfer control device having.