Title:
VOICE FALLBACK METHOD, TERMINAL DEVICE, AND NETWORK DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/120602
Kind Code:
A1
Abstract:
Provided in the present application are a voice fallback method, a terminal, and a network device, so that when a terminal device falls back from a high-version access network to a low-version access network for a voice service, latency established by the voice service is reduced, and user experience is improved. The method comprises: a base station acquires first information, the first information being used for indicating whether a first wireless access network supports a bearer voice corresponding to a standard of the first wireless access network, and the base station being a base station of the first wireless access network; and the base station sends the first information.
Inventors:
CHENG YAN (CN)
XIA LIMIN (CN)
SUN LIN (CN)
XIA LIMIN (CN)
SUN LIN (CN)
Application Number:
PCT/CN2020/134677
Publication Date:
June 16, 2022
Filing Date:
December 08, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W48/18
Domestic Patent References:
| WO2018010076A1 | 2018-01-18 | |||
| WO2020190875A1 | 2020-09-24 |
Foreign References:
| CN109451549A | 2019-03-08 | |||
| CN110691390A | 2020-01-14 | |||
| CN110831257A | 2020-02-21 | |||
| CN111200852A | 2020-05-26 |
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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