TWI583170B - Method and apparatus for call transfer - Google Patents

Description

Call transfer method and device

The present invention relates to a method and apparatus for talking, and more particularly to a method and apparatus for transferring a call.

In recent years, portable communication devices have become very popular in people's daily lives, giving users the convenience of real-time communication. With the development of communication technology and the popularity of broadband networks, the use of the Internet to achieve communication between people has become a trend in the future.

There is already a software for using a computer device to make a mobile phone call or a local call through the Internet. However, if you use a computer device to make calls over the Internet, you need to pay for the call by the mobile phone or the owner of the local call. In addition, the caller ID received by the owner of the mobile phone or local phone will not be the correct phone number. Although the mobile phone of a particular operating system can now answer and make calls on its associated electronic device and display the correct caller ID, it is limited to electronic devices with the platform.

Since most mobile phone users on the market still use Android (Android) The mobile phone of the operating system, therefore, how to enable the mobile phone user to use the computer device to remotely dial and receive the mobile phone with the Android operating system via the network is one of the topics of interest to those skilled in the art.

In view of this, the present invention provides a call transfer method and apparatus, which can provide a user to answer and make a call by using a network device.

The present invention provides a call transfer method adapted to transfer a call between a communication device and at least one network device by a call transfer device. This method transmits the call data through the short-range wireless transmission technology and the communication device. Next, convert the call data to a network material that conforms to the network data format. Then, the network data is transmitted through the network and the network device to establish a connection connection between the communication device and the at least one network device.

From another point of view, the present invention provides a call transfer device. The call transfer device includes a communication unit, a processing unit, and a network unit. The communication unit transmits the call data through the short-range wireless transmission technology and the communication device. The processing unit is coupled to the communication unit, and converts the call data into network data conforming to the network data format. The network unit is coupled to the processing unit, and transmits network data to the at least one network device through the network to establish a connection connection between the communication device and the at least one network device.

Based on the above, the call transfer method and device provided by the embodiment of the present invention can convert the call data transmitted by the communication device into network data conforming to the network data format, and then can be transmitted to multiple network devices to establish a communication device. A call connection to a network device. In addition, the call transfer device can also receive the call of the network device The request, through the conversion of the format, can also establish a call connection between the communication device and the network device. Thereby, the present invention can provide a user to answer and make a call by using a network device.

The above described features and advantages of the invention will be apparent from the following description.

10‧‧‧Call Transfer System

100‧‧‧call transfer device

101‧‧‧Communication unit

102‧‧‧Network Unit

103‧‧‧Processing unit

110‧‧‧Communication device

120_1~120_n‧‧‧Network devices

Steps of S210~S230, S310~S360, S410~S430‧‧‧ call transfer method

1 is a block diagram of a call transfer system in accordance with an embodiment of the present invention.

2 is a flow chart of a call transfer method according to an embodiment of the invention.

FIG. 3 is a flowchart of a call transfer method according to another embodiment of the present invention.

4 is a flow chart of a call transfer method according to still another embodiment of the present invention.

The invention utilizes a call transfer device as an intermediary device between the communication device and the plurality of network devices to establish a call connection between the communication device and the network device. Among them, the call transfer device transmits the call data through the short-range wireless transmission technology and the communication device, and transmits the network data through the network and the network device, and the call data and The format conversion between the network data enables the communication device and the network device data to communicate with each other, thereby establishing a communication connection between the communication device and the network device.

1 is a block diagram of a call transfer system in accordance with an embodiment of the present invention. Referring to FIG. 1, the call transfer system 10 of the present embodiment includes a call transfer device 100, a communication device 110, and at least one network device. (This embodiment uses the network devices 120_1~120_n as an example, but is not limited thereto. this). The call transfer device 100 is, for example, a computer, a server, a workstation, a router, or other electronic device having a built-in wired or wireless network function, and the present invention is not limited thereto.

The call transfer device 100 includes a communication unit 101, a network unit 102, and a processing unit 103. The communication unit 101 is, for example, a communication device that supports short-range wireless transmission technologies, such as Wi-Fi Direct, Bluetooth, Near Field Communication (NFC) technology, etc., but the present invention Not limited to this.

The network unit 102 is, for example, a wireless network card supporting a wireless local area network standard 802.11x defined by the Institute of Electrical and Electronics Engineers (IEEE) or a network card supporting a wired network connection. The network unit 102 can be networked with other external devices (such as the network devices 120_1~120_n) through wireless or wired.

The processing unit 103 is, for example, a general purpose or special purpose processor, a digital signal processor, a microprocessor, a controller, an application specific integrated circuit (ASIC), and a field programmable gate array circuit (Field). Programmable Gate Array, FPGA), any other A variety of integrated circuits, state machines, processors based on Advanced RISC Machine (ARM), and the like. The processing unit 103 is coupled to the communication unit 101 and the network unit 102 for controlling the communication unit 101 and the network unit 102 to implement a function of transferring a call between the communication device 110 and the network devices 120_1~120_n.

In addition, in the call transfer system 10, the communication device 110, such as a mobile phone, a personal digital assistant, or a personal digital assistant mobile phone, can be used to make electronic devices such as a desktop computer, a notebook computer, and a tablet. The computer device such as a computer or a server is not limited thereto.

2 is a flow chart of a call transfer method according to an embodiment of the invention. Referring to FIG. 1 and FIG. 2 simultaneously, the call transfer method of this embodiment is applicable to the call transfer apparatus 100 of FIG. The following is a detailed description of the detailed steps of the call transfer device 100 performing the call transfer method between the communication device 110 and the network devices 120_1~120_n.

In step S210, the communication unit 101 transmits the call data to the communication device 110 through the short-range wireless transmission technology. In this embodiment, the call data may include voice or video call data, and when the communication device 110 receives the call data, the communication device 110 may transmit the call data to the pre-paired call transfer device through a wireless transmission technology such as Bluetooth. 100 communication unit 101. It should be noted that the short-range wireless transmission technique of the embodiment of the present invention is exemplified by Bluetooth, but the present invention is not limited thereto.

In step S220, the processing unit 103 converts the call data into a conforming network. Network data in the road data format. The above network data format is, for example, a Transmission Control Protocol (TCP)/Internet Protocol (IP), a User Datagram Protocol (UDP), or a Network Control Message Protocol (Internet). Control Message Protocol (ICMP), but the invention is not limited thereto.

In step S230, the network unit 102 transmits network data through the network and the network devices 120_1~120_n to establish a connection connection between the communication device 110 and one or more network devices 120_1~120_n. In this embodiment, the network unit 102 can transmit network data, such as all network devices located under the same local area network (LAN), through the network and the network devices 120_1~120_n located in the same domain. Therefore, the user only needs to configure the call transfer device 100 of the present application in the home or other places, so that other network devices in the place can be transferred through the call transfer device 100 and dialed by the communication device 110. Or answer the call.

Through the above method, the call transfer device 100 can format the call data of the communication device 110 and the network data of the network devices 120_1~120_n, so that the data of the communication device 110 and the network devices 120_1~120_n can be intercommunicated. Thereby, a connection connection between the communication device 110 and the network devices 120_1~120_n is established.

It should be noted that the network data transmitted by the network unit 102 and the network devices 120_1~120_n includes a call request. In an embodiment, the network unit 102 of the call transfer device 100 can transmit a call request to the plurality of network devices 120_1~120_n through the network to query whether the network devices 120_1~120_n answer the received by the communication device 110. Call. According to the confirmation of the return of these network devices 120_1~120_n The message, the call transfer device 100 can establish a call connection between the network devices 120_1~120_n and the communication device 110. The following is a detailed description of an embodiment.

FIG. 3 is a flowchart of a call transfer method according to another embodiment of the present invention. In step S310, the processing unit 103 receives the call request transmitted by the communication device 110 through the communication unit 101, and converts the format of the call request into a network data format, and transmits the converted call request to the network through the network unit 102. Road devices 120_1~120_n. In this embodiment, the call request may include the caller number and its associated contact information (eg, name, nickname, photo, etc.), but the invention is not limited thereto. When the communication device 110 receives a call from a certain telephone, the address book can be used to query the address book to find the relevant contact information, so that the information is transmitted to the network devices 120_1~120_n through the call transfer device 100, so that Displayed on the network devices 120_1~120_n.

In step S320, the processing unit 103 receives, via the network unit 102, at least one of the network devices 120_1~120_n to respond to the confirmation of the call request backhaul. In this embodiment, when the network device 120_1~120_n receives the call request transmitted by the call transfer device 100, the incoming call message included in the call request, such as the caller's phone number, name, photo, etc., is displayed. Accordingly, the user can answer the incoming call on the network devices 120_1~120_n according to the incoming call message, and the network device 120_1~120_n sends back the confirmation message to the network unit 102 to establish the communication device with the processing unit 103. 110 call connection.

In step S330, the processing unit 103 establishes a connection connection between the communication device 110 and the network devices 120_1~120_n having the reply confirmation message, and terminates the transmission. The call is forwarded to other network devices 120_1~120_n. In an embodiment, the processing unit 103 only allows a single network device to establish a call connection with the communication device 110, and only establishes a call connection with the communication device 110 for the network device that first transmits the confirmation message. . For example, when the network unit 102 receives the network device 120_1 returning the confirmation message, the processing unit 103 terminates the transmission of the call request to the remaining network devices 120_2~120_n.

It is worth mentioning that in another embodiment, the processing unit 103 can also allow multiple network devices to establish a call connection with the communication device 110 at the same time, and can establish multi-party talks between the network devices and the communication device 110. . The processing unit 103 establishes a connection connection with the network devices and the communication device 110 for a plurality of network devices (for example, the network devices 120_1 120 120_2) having the feedback confirmation message. The call transfer device 100 can preset a time interval (for example, 30 seconds) for receiving the confirmation message, and allow the users of the network devices 120_1~120_n to decide whether to join the call within the time interval, and after the time interval ends, The network device (for example, the network devices 120_1~120_2) having the reply confirmation message establishes a call connection with the communication device 110, and terminates the transfer of the call request after the time interval. In this way, the call transfer device 100 can establish a call connection between the communication device 110 and a plurality of network devices (for example, the network devices 120_1~120_2). The call connection is, for example, a three-way call, a group chat or a video conference, etc., and the present invention is not limited thereto.

In step S340, the processing unit 103 receives the network data transmitted by the network devices 120_1~120_n having the backhaul confirmation message through the network unit 102. In step S350, the processing unit 103 converts the network data into a short-range wireless transmission technology. The call data of the transport format. In step S360, the processing unit 103 transmits the call data to the communication device 110 through the communication unit 101. The processing unit 103 can transmit the call data to the communication device 110 through the communication unit 101 via the Bluetooth transmission technology, thereby establishing a connection connection between the communication device 110 and the network devices 120_1~120_n. In this embodiment, after the processing unit 103 establishes a connection between the communication device 110 and the network devices 120_1~120_n having the reply confirmation message, not only the call data transmitted by the communication device 110 but also the call data transmitted by the communication device 110 can be transmitted to the call transfer device 100. The network devices 120_1~120_n and the network data transmitted by the network devices 120_1~120_n can also be transmitted to the communication device 110 via the call transfer device 100, so that the data transmitted by the network devices 120_1~120_n and the communication device 100 can communicate with each other.

In short, the call switching device 100 of the embodiment of the present invention can allow one or more network devices 120_1~120_n to answer incoming calls received by the communication device 110, and can provide a user with a variety of ways to select a suitable device to answer. Call.

For example, a user can use a tablet computer at home, a notebook computer, a personal digital assistant, a desktop computer, etc. to receive an incoming call received by the communication device. Alternatively, multiple employees in the company can use their respective computers to simultaneously receive calls received by the communication device to achieve multi-party talks.

In addition, in another embodiment of the present invention, the users of the network devices 120_1~120_n can not only passively answer the call, but also use the communication device 110 to make a call through the call transfer device 100. The following is a detailed description of an embodiment.

4 is a flow diagram of a call transfer method according to an embodiment of the invention. Cheng Tu. In step S410, the processing unit 103 receives the call request transmitted by one of the network devices 120_1~120_n through the network unit 102. For example, the user can input the phone number to be dialed on the network device 120_1, and the network device 120_1 will transmit the group phone number to the call transfer device 100 to request the call.

In step S420, the processing unit 103 converts the format of the call request into a transmission format conforming to the short-range wireless transmission technology. In step S430, the processing unit 103 transmits the converted call request to the communication device 110 through the communication unit 101 to make a call through the communication device 110, thereby establishing a call connection between the network devices 120_1~120_n and the communication device 110. In this embodiment, the processing unit 103 can convert the call request of the network devices 120_1~120_n into a transmission format conforming to the Bluetooth transmission technology, and transmit the Bluetooth to the communication device 110 through the communication unit 101 to transmit the communication device. 110 makes a call, thereby establishing a connection connection between the network devices 120_1~120_n and the communication device 110.

It should be noted that the above-mentioned network devices 120_1~120_n that can be called are not limited to being located in the same domain as the call switching device 100, but can be extended to other domains. That is to say, as long as the connection condition is preset on the call transfer device 100, the user can connect to the call transfer device 100 by using the network device at any place to utilize the transfer of the call transfer device 100. The communication device 110 makes a call.

For example, when a user wants to travel abroad, the mobile phone can be placed in a domestic home and the call transfer device can be activated to connect the mobile phone. In foreign countries, users can use the computer to connect to the call transfer device in the home through the network, and transfer by call The transfer of the device 100 controls the mobile phone to make a domestic call. In this way, the purpose of saving the call cost can be achieved.

In short, the call switching device 100 of the embodiment of the present invention can not only make the plurality of network devices 120_1~120_n located in the same domain use the communication device 110 to make calls, but also allow the remote network devices 120_1~120_n. It is also possible to make a call through the communication device 110, thereby achieving the purpose of saving the cost of the call.

In summary, the call transfer method and device according to the embodiment of the present invention can convert the call data transmitted by the communication device into network data conforming to the network data format, and then can be transmitted to multiple network devices to establish communication. The call connection between the device and the network device. In addition, the call transfer device can also receive the call request of the network device, and through the format conversion, the call connection between the communication device and the network device can also be established. In this way, the call transfer device can provide the user to answer and make a call by using the network device. On the other hand, the call transfer device can make the network device of the same domain or the remote network use the communication device to make a call, thereby achieving the purpose of saving the call cost.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

Steps of the S210~S230‧‧‧ call transfer method

Claims (8)

A call transfer method adapted to transfer a call between a communication device and at least one network device by a call transfer device, the method comprising the steps of: transmitting a communication with the communication device via a short-range wireless transmission technology a call data; converting the call data to a network data conforming to a network data format; transmitting the network data to the network device via the network to establish at least one of the communication device and the network device Receiving a call connection; receiving a call request transmitted by one of the network devices; converting the format of the call request to a transmission format of the short-range wireless transmission technology; and transmitting the call request to the communication device to The call is made through the communication device, and the call connection between the network device and the communication device is established. The call transfer method of claim 1, wherein the network data is transmitted to the network device through a network to establish the call connection between the communication device and at least one of the network devices. The step of the line includes: receiving a call request transmitted by the communication device, converting the format of the call request to the network data format, and transmitting the converted call request to the network device respectively; receiving the network device Retrieving at least one of the acknowledgment messages sent back by the call request; establishing the communication device and the call connection of the network device having the acknowledgment message back, and terminating transmitting the call request to the other network Device. The call transfer method of claim 2, wherein the network data is transmitted to the network device via a network to establish the call connection between the communication device and at least one of the network devices. The step of the line further includes: receiving the network data transmitted by the network device that has returned the confirmation message; converting the network data to the call data conforming to a transmission format of the short-range wireless transmission technology; and transmitting The call data is to the communication device. The call transfer method of claim 1, wherein the transmitting the network data through the network and the network device comprises: transmitting the network device to the network device located in the same network domain Network data. A call switching device includes: a communication unit that transmits a call data through a short-range wireless transmission technology and a communication device; a processing unit coupled to the communication unit to convert the call data into a network data format And a network unit coupled to the processing unit to transmit the network data to the at least one network device through the network to establish a call between the communication device and at least one of the network devices a connection, wherein the processing unit further receives a call request transmitted by one of the network devices through the network unit, and converts the format of the call request to a transmission format conforming to the short-range wireless transmission technology, and The network unit transmits the call data to the communication device to make the call through the communication device, and establish a connection connection between the network device and the communication device. The device of claim 5, wherein the processing unit comprises receiving, by the communication unit, a call request transmitted by the communication device, converting the format of the call request to the network data format, and transmitting the network data unit Transmitting the call request to the network device, and receiving a confirmation message that at least one of the network devices responds to the call request, and establishing the communication device and the device that returns the confirmation message The call connection of the network device is terminated, and the call request is terminated to the other network device. The device of claim 6, wherein the processing unit further receives, by the network unit, the network data transmitted by the network device that returns the confirmation message, and converts the network data to match The call data of a transmission format of the short-range wireless transmission technology, and transmitting the call data to the communication device through the communication unit. The device of claim 5, wherein the network unit transmits the network material through the network to the network device located in the same domain.