WO2014154039A2

WO2014154039A2 - Method and system for implementing proxy call, and computer storage medium

Info

Publication number: WO2014154039A2
Application number: PCT/CN2014/070622
Authority: WO
Inventors: 吴鑫祥; 傅启洪; 汤绍坚
Original assignee: 中兴通讯股份有限公司
Priority date: 2013-08-23
Filing date: 2014-01-14
Publication date: 2014-10-02
Also published as: CN104426854A; WO2014154039A3

Abstract

Disclosed is a method for implementing a proxy call. The method comprises: after a call proxy server receives a call request initiated by a local client through a session initiation protocol (SIP) link pre-established between the call proxy server and the local client, the call proxy server initiating a call service to a called party in the call request; and when the call proxy server receives a voice service flow of a call of the local client through the SIP link, the call proxy server sending the voice service flow to the called party in the call request. Also disclosed are another method and a system for implementing a proxy call, and a computer storage medium.

Description

Method, system and computing product storage for implementing proxy call

The present invention relates to communication technologies, and in particular, to a method, system and computer storage medium for implementing proxy calls. Background technique

At present, with the improvement of the operating system of intelligent terminals, smart terminals can achieve more applications. Here, a personal computer, a tablet computer, and a personal digital assistant (PDA) in the smart terminal are used as a type of smart terminal; and a mobile terminal such as a smart phone or a function mobile phone is used as another type of smart terminal. Both types of smart terminals have functions such as Bluetooth, infrared, and wireless Fidelity, which enable close-range communication. They also have features such as audio capture, codec, and playback. At the same time, there are the following differences between the two types of intelligent terminals:

1. One of the main uses of mobile terminals is to realize voice conversations between two parties. Compared with voice calls implemented by applications such as QQ and letter, direct calls between mobile terminals are more real-time and more convenient.

2. Considering the portability and portability of the mobile terminal, the screen of the mobile terminal is smaller than that of the smart terminal such as a tablet computer, and the user prefers to watch the video through the larger screen of the tablet computer and perform the person. Machine interaction.

It can be seen that in listening to the visual experience, users prefer smart terminals such as tablets and personal computers. However, current tablet computers cannot implement voice calls like mobile terminals, which inevitably limits the functions of the tablet. Summary of the invention

In order to solve the existing technical problems, an embodiment of the present invention provides a proxy call. The method, system and computer storage medium can enrich the application functions of the tablet, the personal computer and the PDA, and the user experience can be improved at the same time.

To achieve the above objective, the technical solution of the embodiment of the present invention is implemented as follows:

An embodiment of the present invention provides a method for implementing a proxy call, where the method includes: after an initial session protocol SIP link receives a call request initiated by the local client, initiates a call to the called party in the call request. Business

And when receiving the call voice service flow of the local client through the SIP link, sending the voice service flow to the called party in the call request.

In the above solution, the method further includes:

Receiving, by the call proxy server, a call request of the calling terminal, notifying the call request to the local client by using the SIP link; receiving an allowed call connection sent by the local client for the call request After the incoming response message, the voice service flow of the calling terminal is received, and the voice service flow is sent to the local client through the SIP link.

In the above solution, the method further includes:

The call proxy server receives the called voice service flow of the call request, and sends the voice service flow to the local client through the SIP link.

In the above solution, the call proxy server receives the call voice service flow of the local client by using the SIP link, and includes:

The local client collects a voice stream input by the user, and after being encoded into a voice data packet, is sent to the call proxy server by using the SIP link, and the call proxy server receives and decodes the voice data packet into a voice service flow. And transmitting the voice traffic to the called party.

In the above solution, the method further includes:

The local client establishes the SIP link with the call proxy server via Bluetooth, or infrared, or wireless fidelity WiFi. The embodiment of the invention further provides a method for implementing a proxy call, the method comprising: when the call proxy server receives the call request of the calling terminal, the pre-established initial session between the call proxy server and the local client a protocol SIP link notifying the call request to the local client;

After receiving the response message of the allowed call access for the call request sent by the local client, receiving the voice service flow of the calling terminal, and sending the voice service flow to the SIP link through the SIP link The local client.

In the above solution, the method further includes:

The call proxy server receives the voice service flow of the local client through the SIP link, and sends the voice service flow to the calling terminal.

In the above solution, the call proxy server sends the voice service flow to the local client by using the SIP link, including:

The call proxy server encodes the voice service flow into a voice data packet, and sends the voice data packet to the local client through the SIP link; the local client decodes the voice data packet into a voice Business flow, and output.

In the above solution, the method further includes:

The local client establishes the SIP link with the call proxy server via Bluetooth, or infrared, or wireless security WiFi.

The embodiment of the present invention further provides a system for implementing a proxy call, where the system includes: a local client and a call proxy server; the local client establishes an initial session protocol SIP link with the call proxy server;

The local client is configured to initiate a call request by using the SIP link; and configured to send a voice service flow by using the SIP link;

The call proxy server is configured to receive the call request, initiate a call service to the called party in the call request, and receive the voice service of the local client by using the SIP link. Streaming, and transmitting the voice service flow to a called party in the call request;

and / or,

The call proxy server is configured to notify the local client of the call request through the SIP link when receiving a call request from the calling terminal; and receive an allowed call connection for the call request After receiving the response message, receiving the voice service flow of the calling terminal, and sending the voice service flow to the local client by using the SIP link;

And the local client is configured to send a response message of the call request for the call request, and receive the voice service flow of the calling terminal by using the SIP link.

In the above scheme,

The call proxy server is further configured to receive a voice service flow of the call, and send the voice service flow to the local client by using the SIP link;

and / or,

The call proxy server is further configured to receive the voice service flow of the local client through the SIP link, and send the voice service flow to the calling terminal.

In the above scheme,

The local client is further configured to collect a voice stream input by the user, and after being encoded into a voice data packet, transmit the voice data packet to the call proxy server by using the SIP link;

Correspondingly, the call proxy server is further configured to receive and decode the voice data packet as a voice service flow by using the SIP link, and send the voice service flow to the call;

and / or,

The call proxy server is further configured to encode the voice service flow of the calling terminal into a voice data packet, and send the voice data packet to the local client by using the SIP link; correspondingly, the The local client is further configured to decode the voice data packet into a voice service flow and output the voice service.

In the above scheme, The local client establishes the SIP link with the call proxy server via respective Bluetooth, or infrared, or wireless fidelity WiFi.

The embodiment of the invention provides a first computer storage medium, wherein the first computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the foregoing method for implementing a proxy call.

The embodiment of the present invention further provides a second computer storage medium, wherein the second computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the foregoing method for implementing a proxy call.

The method, system and computer storage medium for implementing proxy call according to an embodiment of the present invention establish a SIP link based on Bluetooth, or infrared, or WiFi for a local client and a server; and the call proxy server and the local through the call proxy server After the initial session protocol SIP link pre-established between the clients receives the call request initiated by the local client, initiates a call service to the called party in the call request; and receives the call through the SIP link. When the local client calls the voice service flow, and sends the voice service flow to the called party in the call request; and/or, when the call proxy server receives the call request of the calling terminal, passes the SIP link Receiving the call request to the local client; receiving the response message of the local client that is allowed to access the call for the call request, receiving the voice service flow of the calling terminal, and passing the The SIP link sends the voice traffic to the local client. By using the technical solution described in the embodiment of the present invention, a voice session between a tablet computer or a personal computer or a PDA and an external mobile terminal is realized by the mobile terminal, thereby enriching the application function of the tablet computer, or the personal computer, or the PDA, and being convenient at the same time The user has improved the user's experience with the smart terminal. DRAWINGS

1 is a schematic flowchart of a method for implementing a proxy call according to an embodiment of the present invention;

FIG. 2 is a diagram of a method for establishing a call between a local client and a call proxy server and a called party according to the present invention Schematic diagram of a specific embodiment;

3 is a schematic diagram of another specific embodiment of a local client and a call proxy server establishing a call with a calling party according to the present invention;

FIG. 4 is a schematic structural diagram of a system for implementing a proxy call according to an embodiment of the present invention. detailed description

The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Embodiments of the present invention describe a method for implementing a proxy call, which can implement a voice session between a tablet computer, or a personal computer, or a PDA and an external mobile terminal by using the mobile terminal, in the method, on a tablet computer, or A local client is built in the personal computer or PDA side, and a call proxy server is built in the mobile terminal side.

FIG. 1 is a schematic diagram of a method for implementing a proxy call according to an embodiment of the present invention. As shown in FIG. 1, the method includes:

Step 10: The local client establishes a link based on Bluetooth, or infrared, or WiFi-based Session Initiation Protocol (SIP) with the call proxy server.

Here, Bluetooth, for example, the establishment of Bluetooth-based personal area network (PAN, Personal Area Network) ₀ Because the PAN is based internetworking protocol (IP, Internet Protocol) network, and IP between local client and call proxy server The network is a SIP for voice data packet transmission. Therefore, when the PAN is established, a SIP-based communication link is established between the local client and the call proxy server.

Step 11: After receiving the call request initiated by the local client through the established SIP link, the call proxy server initiates a call service to the called party in the call request; and receives the call through the SIP link. When the local client calls the voice service flow, the voice service flow is sent to the called party in the call request.

Step 11 further includes: the call proxy server receives the called voice service of the call request Streaming, and transmitting the voice traffic flow to the local client over the SIP link.

Step 12: When the call proxy server receives the call request from the calling terminal, the call request is notified to the local client through the SIP link; and the local client is notified to send the permission for the call request. After the call response message is received, the voice service flow of the calling terminal is received, and the voice service flow is sent to the local client by using the SIP link.

The step 12 further includes: the call proxy server receiving the voice service flow of the local client through the SIP link, and sending the voice service flow to the calling terminal.

The embodiments of the present invention are further described below with reference to FIGS. 2 and 3.

Taking a local client and a call proxy server to establish a Bluetooth connection as an example, FIG. 2 is a specific embodiment of the present invention for a local client and a call proxy server to call a called party (external mobile terminal) and establish a call with the called party. As shown in FIG. 2, the method includes:

Step 201: Establish a SIP link between the local client and the call proxy server.

Step 202: When the local client detects the number of the called terminal A input by the user 1, the call initiation request includes: a number of the called terminal A, and an indication of dialing the number of the called terminal A.

Step 203: The call proxy server receives the call request, and initiates a call to the called terminal A in the call request.

Step 204: The call proxy server monitors whether the called terminal A answers the call during the set time; when it is detected that the called terminal A answers the call within the set time, step 205 is performed; otherwise, step 209 is performed. .

Step 205: The call proxy server sends a notification message carrying the received call of the called terminal A to the local client through the SIP link, and proceeds to step 206.

Step 206: The local client receives the notification message, and the voice of the user 1 flows. After the process of line acquisition, encoding, etc., a voice data packet is formed and sent to the call proxy server through the SIP link, and step 207 is continued.

Step 207: The call proxy server receives the voice data packet of the user 1, decodes the voice data packet, decodes the voice service flow, and sends the voice service flow to the called terminal A, and proceeds to step 208. .

Step 208: The call proxy server receives the voice service flow of the called terminal A, encodes the voice service flow to form a voice data packet, and sends the voice data packet to the local client by using the SIP link. The local client receives the voice data packet of the called terminal A sent by the call proxy server, decodes the voice service flow of the called terminal A, and outputs the voice service flow to the user 1.

Here, it should be noted that since both parties of the voice call are real-time and have uncertainty in the order, that is, the call proxy server receives the voice data packet of the local client and receives the voice service flow of the called terminal A in time. There is no certainty in the order, so steps 207 and 208 are not strictly sequential, and can be performed in parallel.

Step 209: The call proxy server sends a notification message carrying the called terminal A to the local client, and the local client outputs the notification message to the user. The user may choose to continue dialing the number of the terminal A, or may choose to hang up. , the current processing flow ends.

In this embodiment, the method further includes:

The call proxy server monitors the call between the local client and the called terminal A. When it is detected that the called terminal A hangs up, it sends a notification message carrying the called terminal A to hang up to the local client.

The embodiment of the present invention further provides a first computer storage medium, wherein the first computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute a method for implementing a proxy call in the foregoing solution.

FIG. 3 is a schematic diagram of the present invention for a local client and a call proxy server to receive a calling terminal (external A specific embodiment of the incoming call of the mobile terminal and establishing a call with the calling terminal. As shown in FIG. 3, the process includes:

Step 301: Establish a SIP link between the local client and the call proxy server.

Step 302: When the call proxy server detects that the call of the calling terminal A is local, the notification message carrying the call access is sent to the local client through the SIP link.

Step 303: The local client receives the notification message and performs ringing to notify the user 1 that there is a call access. When the local client detects that the user 1 answers the call, the local client returns a response message for allowing the call to be accessed. To notify the call proxy that the local client has answered the call.

Step 304: The call proxy server receives the response message through the SIP link, and receives the voice data packet of the user 1 of the local client, decodes the voice service flow of the user 1, and sends the voice service flow of the user 1 to the master. Call terminal eight.

Here, before the local client sends the voice data packet of the user 1, the voice service stream of the user 1 is collected, encoded, and the like, and then the processed voice data packet of the user 1 is sent to the call agent through the SIP link. server.

Step 305: The call proxy server receives the response message through the SIP link, and receives the voice service flow of the calling terminal A, encodes the voice service flow, and sends the coded calling terminal A through the SIP link. The voice data packet is sent to the local client; the local client decodes the voice service flow of the calling terminal A and outputs it to the user 1.

In this embodiment, the steps 304 and 305 are not strictly sequential, and may be performed in parallel. The embodiment of the present invention further provides a second computer storage medium, wherein the second computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the method for implementing a proxy call in the foregoing solution.

As can be seen from the above embodiment, a tablet, or a personal computer, or a PDA with a built-in local client can make a call with an external mobile terminal through a mobile terminal of the built-in call proxy server. Simultaneously, It should be noted that the mobile terminal according to the embodiment of the present invention includes: a smart phone and a function mobile phone.

The system of the present invention further describes a system for implementing a proxy call. The system includes: a local client 41 and a call proxy server 42;

The local client 41 and the call proxy server 42 establish a SIP link via Bluetooth, or infrared, or WiFi.

An application scenario in which the local client 41 initiates a call to the called party:

The local client 41 is configured to initiate a call request by using the SIP link, and is further configured to send a voice service flow by using the SIP link;

The call proxy server 42 is configured to receive the call request, initiate a call service to the called party in the call request, receive the voice service flow of the local client 41 through the SIP link, and The voice traffic is sent to the called party in the call request.

The call proxy server 42 is further configured to receive a voice traffic flow for the call and to send the voice traffic flow to the local client 41 over the SIP link.

The application scenario that the local client 41 receives the call access of the calling terminal: the call proxy server 42 is configured to receive the call request through the SIP link when receiving the call request of the calling terminal Notifying the local client 41; and after receiving the response message for the call request for the call request, receiving the voice service flow of the calling terminal, and transmitting the voice through the SIP link The service flow is sent to the local client 41. The local client 41 is configured to send a response message requesting the call access of the call request, and receive the voice service of the calling terminal by using the SIP link. Flow

The call proxy server 42 is further configured to receive the voice service flow of the local client 41 over the SIP link and send the voice service flow to the calling terminal.

The technical solution of the embodiment of the present invention is further improved by combining the application scenario 1 and the application scenario 2 Step description.

Application scenario 1 :

When the local client 41 detects the number of the called terminal A input by the user 1, the call request to the called terminal A is sent to the call proxy server 42 through the established SIP link; wherein the call request includes: The number of the terminal A and the instruction to dial the number of the called terminal A. The call proxy server 42 receives the call request, initiates a call to the called terminal A, and monitors whether the called terminal A answers the call during the set time; when the called terminal A does not hear the call in the set time When the call is made, the call proxy server 42 sends a notification message carrying the called terminal A without answering to the local client 41; the local client 41 outputs the notification message to the user, and the user can choose to continue the number of the terminal A. Dial, you can also choose to hang up.

The call proxy server 42 listens to the called terminal A to answer the call in the set time, and sends a notification message carrying the called terminal A to the local client 41 through the SIP link; the local client The terminal 41 receives the notification message, collects, encodes, and the like the voice of the user 1 to form a voice data packet, and sends the voice data packet to the call proxy server 42 through the SIP link; the call proxy server 42 receives the voice data packet of the user 1 And correspondingly decoding the voice data packet, decoding the voice service flow, and sending the voice service flow to the called terminal A. When the call proxy server 42 receives the voice service flow of the called terminal A, the voice service flow is encoded and a voice data packet is formed, and the voice data packet of the called terminal A is sent to the local client 41 through the SIP link. The local client 41 receives the voice data packet of the called terminal A sent by the call proxy server 42, decodes the voice service flow of the called terminal A, and outputs it to the user 1.

In the above solution, the call proxy server 42 can monitor the call between the local client 41 and the called terminal A. After detecting that the called terminal A hangs up, send a notification message carrying the called terminal A to hang up to the local Client 41.

Application scenario 2 When receiving the call request from the calling terminal A, the call proxy server 42 sends a notification message carrying the call access to the local client 41 through the SIP link; the local client 41 receives the notification message and rings to notify the user. 1 has call access. When the local client 41 detects that the user 1 answers the call, it returns a response message requesting the call access of the call request to the call proxy server 42 to notify the call proxy server 42 that the local client 41 has answered the call.

The local client 41 performs processing such as collecting, encoding, and the like on the voice service flow of the user 1, and transmitting the processed voice data packet of the user 1 to the call proxy server 42 while also responding to the call request for the call request. The message is sent to the call proxy server 42. When the call proxy server 42 receives the voice service flow and the response message through the SIP link, the voice service flow of the user 1 is decoded, and the voice service flow of the user 1 is sent to the calling party. Terminal eight.

When receiving the voice service flow of the calling terminal A, the call proxy server 42 encodes the voice service flow, and sends the voice data packet of the calling terminal A to the local client 41 through the SIP link; the local client 41 pairs the master The voice data packet called terminal A is decoded into the voice service flow of the calling terminal A, and is output to the user 1.

In a practical application, the local client 41 may be a central processing unit (CPU), or a digital signal processor (DSP), or a Field Programmable Gate Array (FPGA). The CPU, or the DSP, or the FPGA may be built in a tablet computer, or a personal computer, or a PDA; the call proxy server 42 may also be implemented by a CPU, a DSP, an FPGA, or the like, the CPU, or the DSP. , or FPGA can be built into the mobile terminal.

It will be understood by those skilled in the art that the implementation functions of the various processing modules in the system for implementing proxy calls shown in FIG. 4 can be understood by referring to the aforementioned related description. Those skilled in the art should understand that the functions of the processing units in the system for implementing the proxy call shown in FIG. 4 can be implemented by a program running on the processor, or can be implemented by a specific logic circuit.

Method, system and computer storage medium for implementing proxy call according to embodiments of the present invention, After receiving the call request initiated by the local client, the initial session protocol SIP link initiates a call service to the called party in the call request; and receives the call voice service flow of the local client through the SIP link. And sending the voice service flow to the called party in the call request; when the call proxy server receives the call request of the calling terminal, notifying the call request to the local client by using the SIP link After receiving the response message of the local client that is allowed to access the call for the call request, receiving the voice service flow of the calling terminal, and sending the voice service flow through the SIP link To the local client. By using the technical solution described in the embodiment of the present invention, a voice session between a tablet computer or a personal computer or a PDA and an external mobile terminal is implemented by the mobile terminal, thereby enriching the application function of the tablet computer, or the personal computer, or the PDA, and The user can input the telephone number to be dialed through a larger screen such as a tablet computer, or answer the incoming call, thereby reducing the error rate of the input number, facilitating the user and improving the user experience with the smart terminal.

Claims

claims

1. A method for implementing proxy calls, the method includes: After receiving the call request initiated by the local client via the initial session protocol SIP link, initiate a call service to the called party in the call request;

And when receiving the call voice service flow of the local client through the SIP link, the voice service flow is sent to the called party in the call request.

2. The method for implementing agent calls according to claim 1, wherein the method further includes:

When the call proxy server receives the call request from the calling terminal, it notifies the local client of the call request through the SIP link;

After receiving the response message sent by the local client to allow call access to the call request, receive the voice service flow of the calling terminal, and send the voice service flow to the SIP link through the SIP link. The local client.

3. The method for implementing agent calls according to claim 1, wherein the method further includes:

4. The method for implementing proxy calls according to claim 1, wherein the call proxy server receives the call voice service flow of the local client through the SIP link, including: the local client collects user input After the voice stream is encoded into a voice data packet, it is sent to the call proxy server through the SIP link. The call proxy server receives and decodes the voice data packet into a voice service stream, and transmits the voice service stream to Said called.

5. The method for implementing proxy calls according to any one of claims 1 to 4, wherein: The above methods also include:

The local client and the call proxy server establish the SIP link through Bluetooth, infrared, or wireless fidelity WiFi.

6. A method for implementing agent calls. The method includes:

When the call proxy server receives the call request from the calling terminal, it notifies the call request to the local client through the initial session protocol SIP link pre-established between the call proxy server and the local client;

7. The method for implementing agent calls according to claim 6, wherein the method further includes:

8. The method for implementing proxy calls according to claim 6, wherein the call proxy server sends the voice service flow to the local client through the SIP link, including: the call proxy server sends The voice service stream is encoded into a voice data packet, and the voice data packet is sent to the local client through the SIP link; the local client decodes the voice data packet into a voice service stream and outputs it.

9. The method for implementing proxy calls according to any one of claims 6 to 8, wherein the method further includes:

10. A system for realizing proxy calls, the system includes: a local client and a call proxy server; the local client and the call proxy server establish an initial session protocol SIP link; where,

The local client is configured to initiate a call request through the SIP link; and is also configured to send a voice service flow through the SIP link;

The call proxy server is configured to receive the call request, initiate a call service to the called party in the call request; receive the voice service flow of the local client through the SIP link, and transfer the voice service flow to Sent to the called party in the call request;

and / or,

The call proxy server is configured to, when receiving a call request from the calling terminal, notify the local client of the call request through the SIP link; and upon receiving an allow call request for the call request, After receiving the incoming response message, receive the voice service flow of the calling terminal, and send the voice service flow to the local client through the SIP link;

The local client is configured to send a response message allowing call access to the call request, and receive the voice service flow of the calling terminal through the SIP link.

11. The system for implementing agent calls according to claim 10, wherein,

The call proxy server is also configured to receive the voice service flow of the call and send the voice service flow to the local client through the SIP link;

and / or,

The call proxy server is also configured to receive the voice service flow of the local client through the SIP link, and send the voice service flow to the calling terminal.

12. The system for implementing agent calls according to claim 10, wherein,

The local client is also configured to collect the voice stream input by the user, encode it into a voice data packet, and transmit it to the call proxy server through the SIP link;

Correspondingly, the call proxy server is further configured to receive and decode the voice data packet into a voice service flow through the SIP link, and send the voice service flow to the call;

and / or, The call proxy server is also configured to encode the voice service flow of the calling terminal into voice data packets, and send the voice data packets to the local client through the SIP link; accordingly, The local client is also configured to decode the voice data packet into a voice service flow and output it.

13. The system for implementing proxy calls according to any one of claims 10 to 12, wherein the local client and the call proxy server establish the SIP through their respective Bluetooth, infrared, or wireless fidelity WiFi. link.

14. A first computer storage medium, in which computer executable instructions are stored, and the computer executable instructions are used to execute the method for implementing agent calls according to any one of claims 1 to 5. .

15. A second computer storage medium, the second computer storage medium stores computer executable instructions, the computer executable instructions are used to execute the method for implementing agent calls according to any one of claims 6 to 9 .