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Voice fallback method, device and terminal device

A terminal equipment, voice technology, applied in the field of communication, can solve the problems of complex solutions and high equipment costs

Active Publication Date: 2021-09-14
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the existing method, for SA (Standalone, independent networking), the solution is relatively complicated, and the equipment cost is high

Method used

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  • Voice fallback method, device and terminal device
  • Voice fallback method, device and terminal device
  • Voice fallback method, device and terminal device

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Embodiment Construction

[0062] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0063] In this application, "at least one" means one or more, and "multiple" means two or more. "And / or" describes the association relationship of associated objects, indicating that there can be three types of relationships, for example, A and / or B, which can mean: A exists alone, A and B exist at the same time, and B exists alone, where A, B can be singula...

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Abstract

The embodiment of the present application discloses a voice fallback method, device, and terminal equipment. The method includes: receiving a system message from a first cell, wherein the system message includes a voice indicator and frequency point information of N second cells , the voice indicator is used to indicate that the network to which the first cell belongs does not support the voice call service; according to the voice indicator and the frequency point information of the N second cells, N second cells are measured; if the voice call service is detected , according to the measurement results of the N second cells, a reselection request is sent to the target cell, thereby ensuring that the voice service is normally carried out in the scenario where the 5G SA is independently deployed, does not support VoNR, and does not support EPS fallback, and then Provides reliability of voice services and improves user voice experience.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a voice fallback method, device, and terminal equipment. Background technique [0002] With the further acceleration of the 3GPP (the 3rd Generation Partner Project, third-generation partnership project) 5G (5fifth-Generation, fifth-generation mobile communication technology) standard, voice solutions for 5G terminals are also receiving more and more attention from the industry. In the existing technology, in the independent networking mode, the EPS ((Evolved Packet System, Evolved Packet System) fallback (return) solution is generally adopted to solve the problem that the voice service falls back from the 5G core network to the 4G core network, so as to realize voice continuity. However, in the existing method, for SA (Standalone, independent networking), the solution is relatively complicated, and the equipment cost is high. Contents ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/14H04W36/30
CPCH04W36/0022H04W36/0066H04W36/0083H04W36/14H04W36/30
Inventor 师瑜严斌峰周晶
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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