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Calling processing method and apparatus thereof

A technology for call processing and initiating calls, which is applied in the field of communication, can solve the problems of extended call delay and high cost of network transformation, and achieve the effects of reducing call delay, saving network construction costs, and improving call quality

Inactive Publication Date: 2012-03-14
CHINA MOBILE COMM GRP CO LTD
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AI Technical Summary

Problems solved by technology

[0006] Although the above solution enables the UE to select the MSC that initiates the Paging message for the called connection, all MSCs in the home network of the called UE may call the UE as the calling MSC, so the HLR of the home network of the called UE and all MSCs are required They are all upgraded to support the "RoamingRetry" function, and the cost of network transformation is too high; and the call process needs to be re-established, and the call delay is extended

Method used

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  • Calling processing method and apparatus thereof
  • Calling processing method and apparatus thereof
  • Calling processing method and apparatus thereof

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Embodiment Construction

[0048] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0049] pass below Figure 1-Figure 3 The first call processing method of the present invention is described with an example.

[0050] figure 1 It is a flow chart of Embodiment 1 of the first call processing method according to the present invention. Such as figure 1 As shown, this embodiment includes:

[0051] Step S102: Receive a location cancel message;

[0052] Step S104: Judging whether the sent paging message does not return a corresponding response, if yes, execute step S106; otherwise, the response is received, end, and execute the process after receiving the response;

[0053] Step S106: After receiving the cancel location message, and there is no respo...

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Abstract

The invention discloses a calling processing method and an apparatus thereof. The method comprises the following steps: a mobile switch center receives a canceling position message and a sent paging message returns no corresponding response; the mobile switch center initiates a new calling flow to a visitor location mobile switch center of a called terminal corresponding to the paging message. In the invention, there is no need to reconstruct all MSCs (mobile switch centers) of a called terminal home network, network construction cost is saved, calling time delay is reduced, and technical defects such as high cost, prolongation of calling time delay and the like in the prior art are solved.

Description

technical field [0001] The present invention relates to wireless and core network technologies in the communication field, and in particular to a call processing method and device. Background technique [0002] In the initial stage of Long Term Evolution (LTE) and Evolved Packet Core Network (EPC) network construction, if there are mature second generation or third generation mobile communications (second generation / 3rd -generation (2 / 3G for short) network, considering the investment cost of the Circuit Switched Domain (CS domain for short) and the deployment strategy of LTE / EPC, the original CS domain voice solution can be used to provide voice services, while LTE / EPC only handles data services such as IP Multimedia Subsystem (IMS for short). Based on this requirement, the 3rd generation partnership project (3GPP) proposed the CS Fallback (CSFB) technology, that is, the user terminal (UE) under LTE coverage switches to 2 / 3G when it needs to process CS services. The servic...

Claims

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Application Information

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IPC IPC(8): H04W76/02H04W92/24
Inventor 李凯张昊陈旭王兵王帅宇俞承志
Owner CHINA MOBILE COMM GRP CO LTD
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