IP communication method, device and system based on mobile terminal
A mobile terminal and IP communication technology, applied in the field of communication, can solve the problems that mobile terminals do not have the ability to address the entire network, cannot obtain public network IP addresses, cannot communicate and interact, and achieve the effect of promoting IP services
Active Publication Date: 2015-09-16
CHINA UNITED NETWORK COMM GRP CO LTD
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Problems solved by technology
Due to the exhaustion of public network IP addresses, the mobile terminal accesses the Internet through its own corresponding Network Address Translation (NAT) device according to the private network IP address assigned by the operator, thus causing the mobile terminal to Does not have full network addressability
Therefore, when mobile terminals A and B are in different private networks, because they cannot obtain the public network IP address of the other party, communication and interaction between A and B cannot be performed through IP, such as: transmitting voice, audio, Multimedia data such as video has certain limitations
Method used
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Embodiment Construction
[0027] figure 1 It is a flowchart of an embodiment of the mobile terminal-based IP communication method of the present invention, such as figure 1 As shown, the method includes:
[0028] Step 100, the session initiation protocol SIP server receives the service request message sent by the source mobile terminal for requesting communication and interaction with the target mobile terminal through the IP channel, and the service request message includes: the source mobile terminal public network address information and the target mobile terminal Mobile terminal identification information;
[0029] When two mobile terminals under different private networks perform IP communication, the source mobile terminal first sends a service request message to the Session Initiation Protocol (SIP) server to request communication and interaction with the target mobile terminal through the IP channel , specifically: the NAT gateway corresponding to the private network where the source mobile t...
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The invention provides an IP (Internet Protocol) communication method, equipment and a system based on mobile terminals. The method comprises the following steps: after an SIP (Session Initiation Protocol) server receives a service request message which is transmitted by a source mobile terminal, an idle port identity is obtained by inquiring an NAT (Network Address Translator) traversal server; and then the idle port identity and an IP address of the NAT traversal server are used as communication address information which is used for communication interaction between the source mobile terminal and a target mobile terminal through an IP channel to be transmitted to the source mobile terminal and the target mobile terminal, so that the source mobile terminal and the target mobile terminal can finish the communication interaction by an idle port. Through the IP communication method, the equipment and the system based on the mobile terminals provided by the invention, the mobile terminals in different private networks can use the NAT traversal server to execute the communication interaction through the IP channel, which is conducive to propelling IP services.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of communication, and in particular, to a mobile terminal-based IP communication method, device and system. Background technique [0002] With the popularity of the mobile Internet, most mobile terminals have the ability to access the Internet. Due to the exhaustion of public network IP addresses, the mobile terminal accesses the Internet through its own corresponding Network Address Translation (NAT) device according to the private network IP address assigned by the operator, thus causing the mobile terminal to It does not have the ability to address the entire network. Therefore, when mobile terminals A and B are in different private networks, because they cannot obtain the public network IP address of the other party, communication and interaction between A and B cannot be performed through IP, such as: transmitting voice, audio, Multimedia data such as video has certain limita...
Claims
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IPC IPC(8): H04W8/26H04W80/04H04L29/12
Inventor 田新雪马书惠
Owner CHINA UNITED NETWORK COMM GRP CO LTD