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Method for realizing called number completion, volte terminal, base station and system

A called number and terminal technology, applied in connection management, wireless communication, network data management, etc., to achieve the effect of ensuring correct connection

Active Publication Date: 2020-07-31
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The invention aims to solve the problem of completing the called number of the mobile terminal in the IMS network

Method used

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  • Method for realizing called number completion, volte terminal, base station and system
  • Method for realizing called number completion, volte terminal, base station and system
  • Method for realizing called number completion, volte terminal, base station and system

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Embodiment Construction

[0061] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0062] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0063] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0064] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authoriz...

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Abstract

The invention discloses a method and system for complementing a called number, a VoLTE terminal and a base system. The method comprises the following steps: obtaining a country code and an area code of a currently accessed cell of the VoLTE terminal through broadcasted system information; when the VoLTE terminal dials, complementing the called number as a global number format according to the country code and the area code of the currently accessed cell; and sending a call request to the called number by the VoLTE terminal in the global number format, so that the called number is routed to a belonging network. By adoption of the method and system disclosed by the invention, the call, especially a roaming call of the VoLTE terminal can be guaranteed to be collected connected on the premise of not changing the IMS networking mode of the operator.

Description

technical field [0001] The present invention relates to the technical field of IMS (IP Multimedia Subsystem) and IMS-based LTE Voice Service (VoLTE), and in particular to a method for realizing called number completion, a VoLTE terminal, a base station and a system. Background technique [0002] VoLTE is a standard solution for voice over LTE determined by GSMA, the global alliance of mobile operators, in early 2010. In the VoLTE solution, the native terminal with a built-in VoLTE chip is attached to the LTE wireless network and the EPC core network and then connected to the IMS network of the telecom operator. The IMS network serves as the core control network of VoLTE to complete VoLTE voice call control, traffic routing and Business trigger. [0003] In the IMS network, calls are routed based on the called E.164 number (Global Number) in global format. For mobile numbers, the global number format is (country code)+(network number)+(H 0 h 1 h 2 h 3 )+(ABCD); for fixe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W8/02H04W8/26H04W76/40
CPCH04W8/02H04W8/26
Inventor 赵飞
Owner CHINA TELECOM CORP LTD
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