Wireless communication method and P-CSCF equipment

A technology of P-CSCF and wireless communication, which is applied in the field of wireless communication methods and proxy call session control function equipment, and can solve problems such as the inability to support mobile terminal voice communication requirements

Active Publication Date: 2017-07-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional PBX / IP-PBX system is designed for fixed terminals (such as landlines) inside the enterprise, and can only solve the communication needs of fixed terminals inside the enterprise
With the development of technology, the demand for using mobile terminals for voice communication in enterprises is becoming more and more intense. The traditional PBX / IP-PBX system cannot support the voice communication needs of mobile terminals.

Method used

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  • Wireless communication method and P-CSCF equipment
  • Wireless communication method and P-CSCF equipment
  • Wireless communication method and P-CSCF equipment

Examples

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Embodiment Construction

[0053] The embodiment of the present invention proposes a mobile network voice communication technology applicable to an enterprise on the basis of an IP multimedia subsystem (IP multimedia subsystem, IMS) network. In order to facilitate understanding, the IMS network is introduced in detail first.

[0054] The IMS network is a standard of the next generation network defined by the third generation partnership project (3rd generation partnership project, 3GPP). The IMS network is a network constructed on the basis of a session initiation protocol (session initiation protocol, SIP). The IMS network can have one or more of the following capabilities: separation of control function and bearer function of multimedia services, separation of calls and sessions, separation of applications and services, separation of services and networks, and integration of mobile network services and Internet services.

[0055] figure 1 Shows the main network elements in the IMS network. Such as ...

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Abstract

The invention provides a wireless communication method and P-CSCF equipment. The method comprises the steps of receiving a first INVITE message sent from a first mobile terminal by first P-CSCF equipment in an enterprise IMS network, wherein the first INVITE message contains the identifier of a called second mobile terminal; on the condition that the identifier of the second mobile terminal belongs to an internal identifier of the enterprise IMS network, routing a call to the second mobile terminal by the first P-CSCF equipment through S-CSCF equipment in the enterprise IMS network; on the condition that the identifier of the second mobile terminal does not belong to the internal identifier of the enterprise IMS network, routing the call to the second mobile terminal by the first P-CSCF equipment through S-CSCF equipment in a network operator IMS network. According to the technical scheme of the invention, the free voice communication among employees of an enterprise can be realized inside the enterprise through mobile terminals.

Description

technical field [0001] The present application relates to the field of wireless communication, and more specifically, to a wireless communication method and a proxy call session control function (proxy call session control function, P-CSCF) device. Background technique [0002] A private branch exchange (PBX) can also be called a user-level exchange, and is generally used to complete telephone exchange between enterprises and between enterprises and public telecommunication networks. With the development of Internet protocol (internet protocol, IP) technology, the IP PBX system is introduced on the basis of the traditional PBX system. The IP PBX system can integrate voice communication into the company's data network, so that a unified voice and data network within the enterprise can be established. [0003] The main advantage of the PBX / IP-PBX solution is that the internal calls of the enterprise do not need to go through the public telecommunication network provided by th...

Claims

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Application Information

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IPC IPC(8): H04W4/16H04W8/08H04W8/24H04W8/26H04W80/10
CPCH04W4/16H04W8/08H04W8/24H04W8/26H04W80/10
Inventor 王国伟杨晟孙永勤
Owner HUAWEI TECH CO LTD
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