WO2015192682A1 - Communication method and terminal - Google Patents

Abstract

Disclosed are a communication method and a terminal, which are used to solve the technical problem in the prior art that a time period without data exchange exists when network communication is conducted through a peer-to-peer channel. The communication method comprises: when a communication connection is established between a first terminal and a second terminal, the first terminal exchanges data with the second terminal through a non-peer-to-peer channel, and establishes a peer-to-peer channel between the first terminal and the second terminal; after the peer-to-peer channel is established, the first terminal exchanges data with the second terminal through the peer-to-peer channel; the first terminal conducts synchronization processing on a first data stream of the non-peer-to-peer channel and a second data stream of the peer-to-peer channel; and after the first data stream and the second data stream are synchronized, the first terminal exchanges data with the second terminal through the peer-to-peer channel.

Description

Communication method and terminal

The present application claims the priority of the Japanese Patent Application Serial No. No. No. No. No. No. No. No. No. No. No. No.

Technical field

The present invention relates to the field of communications, and in particular, to a communication method and a terminal.

Background technique

Point-to-point (also known as peer-to-peer or peer-to-peer network, English: Peer to Peer; P2P for short) technology is a technology used to exchange data or services directly between different terminals without going through a relay device. In the field of Voice over Internet Protocol (VoIP), point-to-point calls are a type of call in which the data stream of a call does not transit through the intermediate server.

Generally speaking, in the same local area network or VoIP call client has a public (fixed and unique) Internet Protocol address (also known as Internet Protocol Address, English: Internet Protocol Address; IP address), data stream transmission can be directly Between the clients, in the Internet environment, different VoIP clients may be in different LANs, and they access the Internet through Network Address Translation (NAT) technology.

Network address translation is a wide area network (WAN) technology. It is a conversion technology that converts a private (reserved) address into a legal IP address. It is also a process of converting an IP address in an IP packet header into another IP address. Widely used in various types of Internet access methods and various types of networks. NAT solves the problem of insufficient IP addresses, and it can effectively avoid attacks from outside the network, hiding and protecting computers inside the network.

As mentioned above, due to the widespread use of network address translation technology, the call clients in different local area networks only have private IP addresses, and they cannot directly use the private IP address for data stream transmission. It is necessary to use technical means to traverse the NAT device. Implement point-to-point calls. In the current NGN (next generation network) environment, VoIP widely adopts session initiation protocol (English: Session Initiation) Protocol; abbreviation: SIP) (RFC3261) establishes a call and uses an interactive connection establishment (English: Interactive Connectivity Establishment; ICE) (RFC5245) technology to traverse network address translation (English: Network Address Translation; referred to as: NAT) device implementation VoIP peer-to-peer calls.

The ICE technology is based on the extension of the request/response model. It works by using the Session Description Protocol (SDP) request and response message to carry multiple types of IP addresses of the client (such as local IP, NAT). The IP addresses assigned by the device, etc., then perform connectivity detection of the peer-to-peer channels for these addresses to find the available and optimal point-to-point channels.

Please refer to FIG. 1. FIG. 1 is a flow chart of a VoIP point-to-point call using ICE technology in the prior art. As shown in FIG. 1 , the VoIP point-to-point call process using ICE technology has the following steps:

(1) After the calling party initiates a call to the called end, it first traverses the NAT UDP over NATs (English: Simple Traversal of UDP over NATs; STUN) server/through the relay mode to traverse the NAT server (English: Traversal Using Relay NAT; The abbreviation: TURN) initiates a STUN binding request (English: Binding Requests), and the server carries the NAT traversal candidate address to the calling end in the STUN binding response (English: Binding Response).

(2) The calling end initiates an Invite request to the called end, and carries the local candidate address in the SDP of the Invite.

(3) After receiving the Invite of the calling end, the called end saves the candidate address of the calling end and initiates a STUN binding request to the STUN/TURN server to obtain the candidate address of the local end.

(4) The called end sends a 200ok response message to the calling end, and carries the local candidate address in the SDP of the response message.

(5) The calling end sends an acknowledgement message to the called end (English: Acknowledgement; abbreviation: ACK).

(6) The calling end initiates connectivity detection and negotiation after sending an ACK, and the called end initiates connectivity detection and negotiation after receiving the ACK.

(7) After the connectivity detection ends and the peer-to-peer channel is negotiated, the calling party and the called party start to send and receive media packets (rtp, rtcp) through the channel, and the user at the calling end and the user at the called end can talk.

In the above process, after the end of steps (4) and (5), the ringing tone of the calling party and the called party ends. The call of the calling party and the called party is established, but at this time, the calling party and the called party are performing the connectivity detection and negotiation shown in step (6), and the media packet is not sent and received between the calling end and the called end, so the calling end The user and the user on the called end cannot hear any sound or see any image, that is, there is no data during this period. After the completion of step (6), the calling end and the called end can exchange data, that is, in the In the VoIP based on the point-to-point channel, since the connectivity detection and negotiation of the point-to-point channel is required, there is a time period without data exchange after the call is established, and no sound is heard for the user during this time period. If you don't see any images, the user experience is poor. Especially when the network environment is poor, the connectivity detection takes a long time, and this time period will be longer, which will bring users a worse user experience.

Therefore, in the prior art, there is a technical problem of a period of no data exchange when making a network call through a point-to-point channel.

Summary of the invention

The embodiment of the present invention provides a communication method and a terminal, which are used to solve the technical problem of a time period of no data exchange existing in a network call through a point-to-point channel in the prior art.

A first aspect of the embodiments of the present invention provides a communication method, including:

When the first terminal and the second terminal have established a communication connection, the first terminal exchanges data with the second terminal through a non-point-to-point channel, and establishes a point-to-point channel between the first terminal and the second terminal. ;

After the point-to-point channel is established, the first terminal enables the point-to-point channel to exchange data with the second terminal;

The first terminal performs synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel;

After the first data stream is synchronized with the second data stream, the first terminal stops exchanging data with the second terminal in the non-point-to-point channel.

With reference to the first aspect, in a first possible implementation, the establishing a point-to-point channel between the first terminal and the second terminal includes:

The first terminal initiates an ICE connectivity detection and negotiation with the second terminal, and establishes a point-to-point channel between the first terminal and the second terminal by using the ICE connectivity detection and negotiation.

With reference to the first aspect, in a second possible implementation, the first terminal performs synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, and specifically includes:

The first terminal sorts data packets in the first group of data according to a sequence number of the first group of data received through the non-point-to-point channel, and according to the second group of data received through the point-to-point channel The serial number sorts the data packets in the second set of data;

Determining, by the first terminal, that the first data stream and the second data stream are synchronized when the first group of data and the second group of data have N consecutive sequence numbers and consecutive data packets, Where N is a preset integer value.

With reference to the first aspect, in a third possible implementation, after the first terminal stops exchanging data between the non-peer-to-peer channel and the second terminal, the method further includes:

The first terminal sends a first heartbeat packet to the second terminal by using the non-point-to-point channel, where the first heartbeat packet is used to maintain the non-point-to-point channel.

With the third possible implementation of the first aspect, in a fourth possible implementation, after the first terminal stops exchanging data between the non-peer-to-peer channel and the second terminal, the method further include:

Monitoring communication quality of the non-point-to-point channel and communication quality of the point-to-point channel;

When the communication quality of the point-to-point channel is lower than the communication quality of the non-point-to-point channel, the first terminal switches the data exchange channel with the second terminal to the non-point-to-point channel.

In conjunction with the fourth possible implementation of the first aspect, in a fifth possible implementation, after the first terminal switches the data switching channel from the point-to-point channel to the non-point-to-point channel, The method also includes:

The first terminal sends a second heartbeat packet to the second terminal by using the point-to-point channel, where the second heartbeat packet is used to maintain the point-to-point channel.

With reference to the first aspect, in a sixth possible implementation, after the first terminal stops the data exchange between the non-peer-to-peer channel and the second terminal, the method further includes:

The first terminal sends a close message to the second terminal by using the non-point-to-point channel, where the close message is used to notify the second terminal to close the non-point-to-point channel;

The first terminal closes the non-point-to-point channel.

The second aspect of the embodiment of the present invention further provides a terminal, including:

a connection module, configured to establish a communication connection with the second terminal, and establish a point-to-point channel with the second terminal after the communication connection is established;

a media control module, configured to exchange data with the second terminal through a non-point-to-point channel when the connection module and the second terminal have established a communication connection, and enable the point-to-point channel after the point-to-point channel is established Exchanging data with the second terminal; and synchronizing the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, and the first data stream and the second data stream After the synchronization, the exchange of data with the second terminal is stopped at the non-point-to-point channel.

With reference to the second aspect, in a first possible implementation manner, the establishing, by the connection module, the point-to-point channel between the terminal and the second terminal, the method further includes: starting the terminal and the second terminal Between the ICE connectivity detection and negotiation, the point-to-point channel between the first terminal and the second terminal is established by the ICE connectivity detection and negotiation.

With reference to the second aspect, in a second possible implementation, the media control module performs synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, including: the media. The control module is configured to sort the data packets in the first group of data according to the sequence number of the first group of data received through the non-point-to-point channel, and according to the second group of data received through the point-to-point channel The sequence number sorts the data packets in the second set of data, and determines the first when the first set of data and the second set of data have N consecutive serial number and consecutive data packets The data stream is synchronized with the second data stream, where N is a preset integer value.

With reference to the second aspect, in a third possible implementation, the terminal further includes a channel coordination control module, where the channel coordination control module is configured to stop at the media control module After the non-peer-to-peer channel exchanges data with the second terminal, the first heartbeat packet is sent to the second terminal by using the non-point-to-point channel, wherein the first heartbeat packet is used to maintain the non-point-to-point channel.

With reference to the third possible implementation of the second aspect, in a fourth possible implementation, the media control module is further configured to: when stopping the data exchange between the non-point-to-point channel and the second terminal, The communication quality of the non-point-to-point channel and the communication quality of the point-to-point channel, and when the communication quality of the point-to-point channel is lower than the communication quality of the non-point-to-point channel, data exchange with the second terminal The channel switches to the non-point-to-point channel.

In conjunction with the fourth possible implementation of the first aspect, in a fifth possible implementation, the channel coordination control module is further configured to: switch, by the media control module, the data switching channel from the point-to-point channel After the non-point-to-point channel, the second heartbeat packet is sent to the second terminal by the point-to-point channel, wherein the second heartbeat packet is used to maintain the point-to-point channel.

With reference to the second aspect, in a sixth possible implementation, the media control module is further configured to: after the media control module stops exchanging data in the non-peer-to-peer channel and the second terminal, by using the non- The peer-to-peer channel sends a close message to the second terminal, the close message is used to notify the second terminal to close the non-point-to-point channel, and close the non-point-to-point channel.

The third aspect of the embodiment of the present invention further provides a terminal, including:

a bus; and a processor, memory and interface connected to the bus, wherein the interface is for communicating with another terminal; the memory is for storing instructions, the processor executing the instructions for using the terminal and the second When the terminal establishes a communication connection, the data is exchanged with the second terminal through the non-point-to-point channel, and a point-to-point channel is established between the terminal and the second terminal, and after the point-to-point channel is established, the point-to-point channel is enabled to be exchanged with the second terminal. Data; synchronizing the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, and stopping the exchange of data with the second terminal in the non-point-to-point channel after the first data stream is synchronized with the second data stream.

With reference to the third aspect, in a first possible implementation, the processor is configured to execute the instruction, and establish a point-to-point channel between the terminal and the second terminal, including:

Initiating an ICE connectivity detection and negotiation with the second terminal, and establishing a point-to-point channel between the first terminal and the second terminal by using the ICE connectivity detection and negotiation.

With reference to the third aspect, in a second possible implementation manner, the processor performs the instruction to perform synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel in the terminal, including:

Sorting the data packets in the first set of data according to the sequence number of the first set of data received through the non-point-to-point channel, and the data in the second set of data according to the sequence number of the second set of data received through the point-to-point channel Packet sorting;

When the first group of data and the second group of data have N consecutive serial number and consecutive data packets, it is determined that the first data stream is synchronized with the second data stream, where N is a preset integer value.

With reference to the third aspect, in a third possible implementation, the processor is further configured to: after stopping the data exchange between the non-peer-to-peer channel and the second terminal, send the first heartbeat packet to the second terminal by using the non-point-to-point channel, The first heartbeat packet is used to maintain a non-point-to-point channel.

In conjunction with the third possible implementation manner of the third aspect, in a fourth possible implementation, the processor is further configured to monitor the communication of the non-point-to-point channel after stopping the data exchange between the non-point-to-point channel and the second terminal Quality and communication quality of the point-to-point channel;

When the communication quality of the point-to-point channel is lower than the communication quality of the non-point-to-point channel, the data exchange channel with the second terminal is switched to the non-point-to-point channel.

In conjunction with the fourth possible implementation of the third aspect, in a fifth possible implementation, the processor is further configured to: after the data switching channel is switched from the point-to-point channel to the non-point-to-point channel, through the point-to-point channel The second terminal sends a second heartbeat packet, wherein the second heartbeat packet is used to maintain a point-to-point channel.

With reference to the third aspect, in a sixth possible implementation, the processor is further configured to: after stopping the data exchange between the non-peer-to-peer channel and the second terminal, the terminal sends a close message to the second terminal by using the non-point-to-point channel, and closes The message is used to notify the second terminal to close the non-point-to-point channel; the terminal closes the non-point-to-point channel.

One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects. Or advantages:

The first terminal and the second terminal first exchange data through the non-point-to-point channel, thereby eliminating the time period of no data exchange caused by the ICE connectivity detection of the point-to-point channel when establishing the point-to-point channel, thereby solving the problem in the prior art. The technical problem of time-free data exchange during the network call of the point-to-point channel avoids the poor user experience brought to the user by the time period without data exchange.

DRAWINGS

1 is a flow chart of a VoIP point-to-point call using ICE technology in the prior art;

2 is a flowchart of a communication method according to an embodiment of the present invention;

3 is a schematic diagram of establishing a communication connection between a first terminal and a second terminal;

4 is a schematic diagram of data flow of a non-point-to-point channel and a point-to-point channel after establishing a communication connection between a first terminal and a second terminal according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of performing synchronization processing on a first data stream and a second data stream according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention.

detailed description

The embodiment of the present invention provides a communication method and a terminal, which are used to solve the technical problem of a time period of no data exchange existing in a network call through a point-to-point channel in the prior art.

It can be seen from the above that, when the first terminal and the second terminal have established a communication connection, the non-point-to-point channel is enabled to exchange data with the second terminal, and after the point-to-point channel is established, the first data stream of the non-point-to-point channel is The second data stream of the point-to-point channel is synchronized, and after the first data stream is synchronized with the second data stream, the first terminal exchanges data with the first terminal through the point-to-point channel, thereby eliminating the cause of the network call through the point-to-point channel. Performing the ICE connectivity detection of the point-to-point channel to generate a time period without data exchange, thereby solving the prior art in the point-of-pass pair There is a technical problem of no data exchange time period when the point channel performs network call, which avoids the poor user experience brought by the time period of the no data exchange, and avoids switching the network telephone from the non-point-to-point channel to the point-to-point channel. The network jitter that occurs when it is added further enhances the user experience of the VoIP.

In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the drawings and specific embodiments.

Please refer to FIG. 2. FIG. 2 is a flowchart of a communication method according to an embodiment of the present invention. As shown in FIG. 2, the method includes:

S1: When the first terminal and the second terminal have established a communication connection, the first terminal exchanges data with the second terminal through the non-point-to-point channel, and establishes a point-to-point channel between the first terminal and the second terminal.

The process of establishing a communication connection between the first terminal and the second terminal can be implemented by referring to the embodiment described in FIG. Different from the prior art, after establishing a communication connection between the first terminal and the second terminal, the embodiment of the present invention not only establishes a point-to-point channel between the first terminal and the second terminal, but also enables non-point-to-point channels and The second terminal exchanges data.

The specific process of establishing a point-to-point channel between the first terminal and the second terminal may include: the first terminal starts the ICE connectivity detection and negotiation with the second terminal, and establishes the first terminal and the first through the ICE connectivity detection and negotiation. A point-to-point channel between two terminals. ICE connectivity detection and negotiation is prior art and will not be described here.

S2: After the point-to-point channel is established, the first terminal enables the point-to-point channel to exchange data with the second terminal, and synchronizes the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel;

The specific implementation process of the first terminal synchronizing the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel is as follows:

The first terminal sorts the data packets in the first group of data according to the sequence number of the first group of data received through the non-point-to-point channel, and the second group of data according to the sequence number of the second group of data received through the point-to-point channel The packets in the order are sorted. The first terminal is in the first group of data and When there are N data packets with the same serial number and consecutive numbers in the second group of data, it is determined that the first data stream is synchronized with the second data stream, where N is a preset integer value.

In the specific implementation, reference may be made to the embodiments shown in FIG. 4 and FIG. 5.

S3: After the first data stream is synchronized with the second data stream, the first terminal stops exchanging data with the second terminal in the non-point-to-point channel.

It can be seen from the above that, when the first terminal and the second terminal have established a communication connection, the non-point-to-point channel is enabled to exchange data with the second terminal, and after the point-to-point channel is established, the first data stream of the non-point-to-point channel is The second data stream of the point-to-point channel is synchronized, and after the first data stream is synchronized with the second data stream, the first terminal exchanges data with the first terminal through the point-to-point channel, thereby eliminating the point-to-point channel when establishing the point-to-point channel. The data exchange-free time period generated by the ICE connectivity detection solves the technical problem in the prior art that there is no data exchange time period when performing network call through the point-to-point channel, and avoids the time period of no data exchange. The poor user experience brought to the user, while avoiding the network jitter that occurs when the network phone is switched from a non-point-to-point channel to a point-to-point channel, further improving the user experience of the network phone.

Please refer to FIG. 3. FIG. 3 is a schematic diagram of establishing a communication connection between the first terminal and the second terminal. As shown in FIG. 3, the first terminal may establish a communication connection with the second terminal by using the following steps:

(1) The first terminal initiates a STUN binding request to the STUN/TURN server after initiating the call to the second terminal, and the server returns the NAT traversal candidate address to the first terminal in the STUN binding response.

(2) The first terminal initiates an Invite request to the second terminal, and carries the local candidate address in the SDP of the Invite.

(3) After receiving the Invite of the first terminal, the second terminal saves the candidate address of the first terminal and initiates a STUN binding request to the STUN/TURN server to obtain the candidate address of the local terminal.

(4) The second terminal sends a 200ok response message to the first terminal, and carries the local candidate address in the SDP of the response message.

(5) The first terminal sends an ACK to the second terminal.

After the step (5), the first terminal and the second terminal have established a communication connection, and the first terminal and the second terminal have passed the handshake three times, and the first terminal and the second terminal can pass the non-point-to-point Channels such as SIP channels, etc., perform data exchange. This process is consistent with the prior art process and will not be described here.

When the first terminal establishes a communication connection with the second terminal, the communication method provided by the embodiment of the present invention proceeds to step S1, that is, when the first terminal and the second terminal have established a communication connection, the first terminal passes the non-point-to-point channel and The second terminal exchanges data and establishes a point-to-point channel between the first terminal and the second terminal.

In the step S1, the first terminal exchanges data with the second terminal through the non-point-to-point channel. Specifically, the first terminal sends the ACK to the second terminal, and then starts to send and receive the media packet. Of course, the second terminal receives the first. After the ACK sent by the terminal, the media packet is also sent and received, so that the first terminal can exchange data with the second terminal through the non-point-to-point channel.

It can be seen that the first terminal and the second terminal first exchange data through the non-point-to-point channel, thereby eliminating the time period of no data exchange caused by the ICE connectivity detection of the point-to-point channel when performing network call through the point-to-point channel, thereby solving the problem. In the prior art, there is a technical problem that there is no data exchange time period when a network call is made through a point-to-point channel, and a poor user experience brought to the user by the time period without the data exchange is avoided.

After the step S1, the information processing method provided by the embodiment of the present invention proceeds to step S2, that is, the first terminal performs synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel.

Specifically, after the point-to-point channel is established, the first terminal starts to exchange data with the second terminal through the point-to-point channel. Of course, the bit rate and the frame rate of the media packet sent by the terminal may be appropriately reduced to reduce the difficulty of synchronization. Then, a synchronization buffer is established for the non-point-to-point channel and the point-to-point channel, and the length of the buffer is a threshold for receiving the number of lost packets. Referring to FIG. 4, FIG. 4 is a communication between the first terminal and the second terminal according to the embodiment of the present invention. The data flow diagram of the non-point-to-point channel and the point-to-point channel after connection, as shown in FIG. 4, the first terminal may enter the first data stream A1 and the second data stream P1. Line synchronization, of course, in the specific implementation process, the second terminal also synchronizes the third data stream A2 and the fourth data stream P2, and will not be described here.

Please refer to FIG. 5. FIG. 5 is a schematic diagram of synchronizing the first data stream and the second data stream according to an embodiment of the present invention. As shown in FIG. 5, the first terminal stores the data received by the two channels separately. Enter the buffer corresponding to each channel, and according to the serial number of the media packet (English: Sequence Number; SEQ: seq.), the data packet in the first group of data received by the non-point-to-point channel and the second data received by the peer-to-peer channel The packets in the group data are sorted.

Specifically, for the data packet sent by the second terminal to the first terminal, the SEQ number of each data packet is fixed, but it is copied into two, and the second terminal is sent to the second through the non-point-to-point channel. A terminal is stored in a non-point-to-point channel buffer, and the data packets stored in the non-point-to-point channel buffer are sorted, and sent to the first terminal through the point-to-point channel and stored in the point-to-point channel buffer, and stored in the point-to-point channel The packets in the buffer are sorted.

Then, comparing the media packets in the non-point-to-point channel buffer and the point-to-point channel buffer, when there are N media packets with the same contiguous and consecutive SEQ numbers, the first data stream of the non-point-to-point channel and the second data of the point-to-point channel are determined. The stream synchronization is completed, where N is an integer value of a preset value, and the preset integer value may be the maximum number of consecutive packet drops that the first terminal can accept when communicating with the second terminal. Of course, in the actual application, by the introduction of this embodiment, the person skilled in the art can set N to a suitable value according to the actual situation, to meet the needs of the actual situation, and will not be further described herein.

The synchronization process introduced in this embodiment is performed at the first terminal. In a specific implementation process, the second terminal also performs similar data received through the non-point-to-point channel and data received through the point-to-point channel. Synchronization processing will not be described here.

It should be noted that, in the process of synchronizing the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, the data used by the first terminal or the second terminal (that is, the data presented to the user) It can still be data exchanged through non-point-to-point channels.

Synchronizing the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel Then, the communication method provided by the embodiment of the present invention proceeds to step S3, that is, after the point-to-point channel is established, the first terminal stops exchanging data with the second terminal in the non-point-to-point channel, and exchanges data with the second terminal through the point-to-point channel.

In step S3, the first terminal exchanges data with the second terminal through the point-to-point channel, including the following two situations:

First: The first terminal closes the non-point-to-point channel.

After the first terminal exchanges data with the second terminal through the point-to-point channel, the communication method provided by the embodiment of the present invention further includes: the first terminal sends a close message to the second terminal through the non-point-to-point channel, and the close message is used to notify the second terminal to close. Non-point-to-point channel; the first terminal closes the non-point-to-point channel.

Specifically, after the first data stream of the non-point-to-point channel is synchronized with the second data stream of the point-to-point channel, the first terminal sends a close message for closing the point-to-point channel to the second terminal, for example, a message carrying the synchronization end identifier. After receiving the message, the second terminal can stop transmitting and receiving media packets on the non-point-to-point channel; after transmitting the close message, the first terminal closes the non-point-to-point channel of the local end, so that the first terminal can pass the point-to-point channel and the first terminal The second terminal exchanges data.

Second: The first terminal maintains a non-point-to-point channel.

When the first terminal exchanges data with the second terminal through the point-to-point channel, the communication method provided by the embodiment of the present invention further includes: the first terminal sends the first heartbeat packet to the point-to-point channel through the non-point-to-point channel, where the first heartbeat packet is used. To maintain non-point-to-point channels.

Specifically, after the first data stream of the non-point-to-point channel is synchronized with the second data stream of the point-to-point channel, the first terminal may send a stop message to the second terminal by using the non-point-to-point channel, and the second terminal receives the stop message. After that, the media packet is stopped and sent on the non-point-to-point channel. When the first terminal stops the exchange of the media packet with the second terminal through the non-point-to-point channel, the first terminal sends the first heartbeat packet to the second terminal by using the non-point-to-point channel, where the first heartbeat packet is used to maintain the non-point-to-point channel, and the second terminal After receiving the first heartbeat packet, the non-point-to-point channel is kept off.

When the first terminal exchanges data with the second terminal through the point-to-point channel, and keeps the non-point-to-point channel from being closed, in order to further improve the communication quality between the first terminal and the second terminal, The communication method provided by the embodiment of the present invention further includes: monitoring the communication quality of the non-point-to-point channel and the point-to-point channel quality of the point-to-point channel, and when the communication quality of the point-to-point channel is lower than the communication quality of the non-point-to-point channel The first terminal switches the data exchange channel with the second terminal to a non-point-to-point channel.

For example, the communication quality of the non-point-to-point channel and the communication quality of the point-to-point channel can be monitored by parameters such as the packet loss rate. For example, if the packet loss rate of the non-point-to-point channel is smaller than the packet loss rate of the point-to-point channel, the communication quality of the non-point-to-point channel is higher. The communication quality of the point-to-point channel, when the first terminal determines, according to these parameters, that the communication quality of the currently used point-to-point channel is lower than the communication quality of the non-point-to-point channel, the first terminal can switch the data exchange channel with the second terminal. For the non-point-to-point channel, the first terminal may send information to the second terminal, notify the second terminal to stop sending and receiving media packets through the peer-to-peer channel, and send and receive media packets through the non-point-to-point channel, and the first terminal itself stops receiving and transmitting media through the point-to-point channel. Packets, and send and receive media packets through non-point-to-point channels, so that the data exchange channel between the first terminal and the second terminal is switched from a point-to-point channel with poor communication quality to a non-point-to-point channel with better communication quality, thereby improving the first The quality of communication between the terminal and the second terminal.

Of course, after the data exchange channel between the first terminal and the second terminal is switched from the point-to-point channel to the non-point-to-point channel, the communication method provided by the embodiment of the present invention further includes: the first terminal sends the second terminal to the second terminal through the point-to-point channel. A two-heartbeat packet, wherein the second heartbeat packet is used to maintain a point-to-point channel.

Specifically, after the data exchange channel between the first terminal and the second terminal is switched from the point-to-point channel to the non-point-to-point channel, the first terminal continues to monitor the communication quality of the non-point-to-point channel and the communication quality of the point-to-point channel, and When the communication quality of the non-point-to-point channel is lower than the communication quality of the point-to-point channel, the first terminal switches the data exchange channel with the second terminal to the point-to-point channel, thereby ensuring communication between the first terminal and the second terminal. The quality is maintained at a relatively high level, which further enhances the user experience of the network call, and will not be described here.

It can be seen from the above that the communication has been established between the first terminal and the second terminal. When connecting, the first terminal exchanges data with the second terminal through the non-point-to-point channel, and establishes a point-to-point channel between the first terminal and the second terminal, and after the point-to-point channel is established, exchanges data with the second terminal through the point-to-point channel, and Synchronizing the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, and after the first data stream is synchronized with the second data stream, the technical solution for exchanging data with the second terminal through the point-to-point channel, first The terminal and the second terminal first exchange data through the non-point-to-point channel, and after the point-to-point channel is established, the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel are synchronously processed, and the first data stream and the second data are After the stream is synchronized, the first terminal exchanges data with the first terminal through the point-to-point channel, thereby eliminating the time period of no data exchange caused by the ICE connectivity detection of the point-to-point channel when performing network call through the point-to-point channel, thereby solving the problem. In the prior art, there is no data exchange when making a network call through a point-to-point channel. The technical problem of the time period avoids the poor user experience brought by the non-data exchange time period, and avoids the network jitter that occurs when the network telephone is switched from the non-point-to-point channel to the point-to-point channel, further improving the network jitter. The user experience of VoIP.

Based on the same inventive concept, the embodiment of the present invention further provides a terminal 600. Please refer to FIG. 6. FIG. 6 is a functional block diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 6, the terminal 600 includes:

The connection module 601 is configured to establish a communication connection with the second terminal, and establish a point-to-point channel with the second terminal after the communication connection is established.

The media control module 602 is configured to exchange data with the second terminal through the non-point-to-point channel when the connection module 601 and the second terminal have established a communication connection; and enable the point-to-point channel to exchange data with the second terminal after the point-to-point channel is established. And synchronizing the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, and stopping the exchange of data with the second terminal in the non-point-to-point channel after the first data stream is synchronized with the second data stream.

In the specific implementation process, the connection module 601 is specifically configured to initiate ICE connectivity detection and negotiation with the second terminal, and establish a point-to-point channel through ICE connectivity detection and negotiation. The process of establishing a point-to-point channel based on ICE connectivity detection and negotiation is a prior art, and details are not described herein again.

In a specific implementation process, the media control module 602 performs synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, and specifically includes: the media control module 602 is configured to receive according to the non-point-to-point channel. The sequence number of the first set of data sorts the data packets in the first set of data, and sorts the data packets in the second set of data according to the serial number of the second set of data received through the point-to-point channel, and When a set of data and the second set of data have N consecutive serial number and consecutive data packets, it is determined that the first data stream is synchronized with the second data stream, where N is a preset integer value.

In the specific implementation process, the terminal 600 shown in FIG. 6 may further include a channel coordination control module 603, where the channel coordination control module 603 is configured to pass the non-point-to-point channel after the media control module stops exchanging data between the non-point-to-point channel and the second terminal. Sending a first heartbeat packet to the second terminal, where the first heartbeat packet is used to maintain a non-point-to-point channel.

In a specific implementation process, the media control module 602 is further configured to monitor the communication quality of the non-point-to-point channel and the communication quality of the point-to-point channel after stopping the data exchange between the non-point-to-point channel and the second terminal, and the communication quality of the point-to-point channel is lower than When the communication quality of the non-point-to-point channel is switched, the data exchange channel with the second terminal is switched to the non-point-to-point channel.

In a specific implementation process, the channel coordination control module 603 is further configured to: after the media control module 602 switches the data switching channel from the point-to-point channel to the non-point-to-point channel, send the second heartbeat packet to the second terminal by using the point-to-point channel, where the second Heartbeat packets are used to maintain point-to-point channels.

In a specific implementation process, the media control module 602 is further configured to: after the media control module 602 stops exchanging data in the non-peer-to-peer channel and the second terminal, send a close message to the second terminal through the non-point-to-point channel, and close the message to notify the second The terminal closes the non-point-to-point channel and closes the non-point-to-point channel.

The embodiment of the present invention further provides a terminal 700. Please refer to FIG. 7. FIG. 7 is a physical block diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 7, the terminal 700 includes: a bus 740; and is connected to the bus 740. Processor 710, memory 720 and interface 730, wherein the interface 730 is for communicating with another terminal; the memory 720 is for storing instructions, and the processor 710 is configured to execute the memory The instruction stored in 720 is configured to: when the terminal establishes a communication connection with the second terminal, exchange data with the second terminal through the non-point-to-point channel, and establish a point-to-point channel between the terminal and the second terminal, and After the point-to-point channel is established, the point-to-point channel is enabled to exchange data with the second terminal; and the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel are synchronized, and the first data stream and the second data stream are After synchronization, the non-peer-to-peer channel is stopped to exchange data with the second terminal.

In the embodiment of the present invention, optionally, the processor 710 establishes a point-to-point channel between the terminal and the second terminal, including:

Initiating an ICE connectivity detection and negotiation by establishing an interactive connection with the second terminal, and establishing a point-to-point channel with the second terminal through the ICE connectivity detection and negotiation.

In the embodiment of the present invention, the processor 710 is configured to perform synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, including:

Sorting the data packets in the first set of data according to the sequence number of the first set of data received through the non-point-to-point channel, and the data in the second set of data according to the sequence number of the second set of data received through the point-to-point channel Packet sorting;

When the first group of data and the second group of data have N consecutive serial number and consecutive data packets, it is determined that the first data stream is synchronized with the second data stream, where N is a preset integer value.

In the embodiment of the present invention, optionally, the processor 710 is configured to send the first heartbeat packet to the second terminal by using the non-point-to-point channel after the terminal stops exchanging data in the non-peer-to-peer channel and the second terminal, where The first heartbeat packet is used to maintain a non-point-to-point channel.

In the embodiment of the present invention, optionally, the processor 710 is further configured to monitor the communication quality of the non-point-to-point channel and the communication quality of the point-to-point channel after stopping the data exchange between the non-point-to-point channel and the second terminal;

When the communication quality of the point-to-point channel is lower than the communication quality of the non-point-to-point channel, the terminal switches the data exchange channel with the second terminal to a non-point-to-point channel.

In the embodiment of the present invention, optionally, the processor 710 is further configured to: After the point-to-point channel is switched to the non-point-to-point channel, the second heartbeat packet is sent to the second terminal through the point-to-point channel, where the second heartbeat packet is used to maintain the point-to-point channel.

In the embodiment of the present invention, the processor 710 is further configured to: after stopping the data exchange between the point-to-point channel and the second terminal, sending a close message to the second terminal by using the non-point-to-point channel, and closing the message for notifying the second The terminal closes the non-point-to-point channel; and closes the non-point-to-point channel.

The communication method in the embodiment and the communication method in the foregoing embodiment are based on two aspects under the same inventive concept. The implementation process of the method has been described in detail above, so that those skilled in the art can clearly understand according to the foregoing description. The structure and implementation process of the terminal in this embodiment are understood. For the sake of brevity of the description, details are not described herein again.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications of the invention

Claims (14)

A communication method, comprising: When the first terminal and the second terminal have established a communication connection, the first terminal exchanges data with the second terminal through a non-point-to-point channel, and establishes a point-to-point channel between the first terminal and the second terminal. ; After the point-to-point channel is established, the first terminal enables the point-to-point channel to exchange data with the second terminal; The first terminal performs synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel; After the first data stream is synchronized with the second data stream, the first terminal stops exchanging data with the second terminal in the non-point-to-point channel. The method of claim 1, wherein the establishing a point-to-point channel between the first terminal and the second terminal comprises: The first terminal initiates an ICE connectivity detection and negotiation with the second terminal, and establishes a point-to-point channel between the first terminal and the second terminal by using the ICE connectivity detection and negotiation. The method according to claim 1, wherein the first terminal performs synchronization processing on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel, and specifically includes: The first terminal sorts data packets in the first group of data according to a sequence number of the first group of data received through the non-point-to-point channel, and according to the second group of data received through the point-to-point channel The serial number sorts the data packets in the second set of data; Determining, by the first terminal, that the first data stream and the second data stream are synchronized when the first group of data and the second group of data have N consecutive sequence numbers and consecutive data packets, Where N is a preset integer value. The method of claim 1, wherein after the first terminal stops exchanging data between the non-peer-to-peer channel and the second terminal, the method further includes: The first terminal sends a first heartbeat packet to the second terminal by using the non-point-to-point channel, where the first heartbeat packet is used to maintain the non-point-to-point channel. The method of claim 4, wherein after the first terminal stops exchanging data with the second terminal through the non-point-to-point channel, the method further includes: Monitoring communication quality of the non-point-to-point channel and communication quality of the point-to-point channel; When the communication quality of the point-to-point channel is lower than the communication quality of the non-point-to-point channel, the first terminal switches the data exchange channel with the second terminal to the non-point-to-point channel. The method of claim 5, wherein after the first terminal switches the data switching channel from the point-to-point channel to the non-point-to-point channel, the method further includes: The first terminal sends a second heartbeat packet to the second terminal by using the point-to-point channel, where the second heartbeat packet is used to maintain the point-to-point channel. The method of claim 1, wherein after the first terminal stops exchanging data between the non-peer-to-peer channel and the second terminal, the method further includes: The first terminal sends a close message to the second terminal by using the non-point-to-point channel, where the close message is used to notify the second terminal to close the non-point-to-point channel; The first terminal closes the non-point-to-point channel. A terminal, comprising: a connection module, configured to establish a communication connection with the second terminal, and establish a point-to-point channel with the second terminal after the communication connection is established; and a media control module, configured to be used by the connection module and the second terminal When the communication connection is established, the data is exchanged with the second terminal through the non-point-to-point channel; after the point-to-point channel is established, the point-to-point channel is enabled to exchange data with the second terminal; and the first data of the non-point-to-point channel is enabled. The stream and the second data stream of the point-to-point channel are synchronized, and after the first data stream is synchronized with the second data stream, stopping data exchange with the second terminal at the non-point-to-point channel. The terminal according to claim 8, wherein the establishing a point-to-point channel between the terminal and the second terminal by the connection module comprises: the connection module is configured to start the terminal and the second The ICE connectivity detection and negotiation between the terminals establishes a point-to-point channel between the first terminal and the second terminal by using the ICE connectivity detection and negotiation. The terminal according to claim 8, wherein the media control module performs the same on the first data stream of the non-point-to-point channel and the second data stream of the point-to-point channel The step processing specifically includes: the media control module is configured to sort the data packets in the first group of data according to a sequence number of the first group of data received through the non-point-to-point channel, and according to the point-to-point channel Receiving, by the sequence number of the second set of data, the data packets in the second set of data, and having the same N consecutive sequence numbers and consecutive data in the first set of data and the second set of data And determining, by the packet, that the first data stream is synchronized with the second data stream, where N is a preset integer value. The terminal according to claim 8, wherein the terminal further comprises a channel coordination control module, wherein the channel coordination control module is configured to stop at the non-point-to-point channel and the second terminal at the media control module After exchanging data, the first heartbeat packet is sent to the second terminal by using the non-point-to-point channel, wherein the first heartbeat packet is used to maintain the non-point-to-point channel. The terminal according to claim 11, wherein the media control module is further configured to monitor communication quality of the non-peer-to-peer channel after the non-point-to-point channel is stopped and data exchange with the second terminal The communication quality of the point-to-point channel, and when the communication quality of the point-to-point channel is lower than the communication quality of the non-point-to-point channel, the data exchange channel with the second terminal is switched to the non-point-to-point channel. The terminal according to claim 12, wherein the channel coordination control module is further configured to: after the media control module switches the data exchange channel from the point-to-point channel to the non-point-to-point channel, The point-to-point channel sends a second heartbeat packet to the second terminal, where the second heartbeat packet is used to maintain the point-to-point channel. The terminal according to claim 8, wherein the media control module is further configured to: after the non-point-to-point channel exchanges data with the second terminal, pass the non-point-to-point channel to the second The terminal sends a close message, the close message is used to notify the second terminal to close the non-point-to-point channel, and close the non-point-to-point channel.

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