Title:
VOICE SERVICE IMPLEMENTATION METHOD, APPARATUS, AND TERMINAL
Document Type and Number:
WIPO Patent Application WO/2023/174321
Kind Code:
A1
Abstract:
Disclosed in the present application are a voice service implementation method, an apparatus, and a terminal, belonging to the field of wireless communications. The voice service implementation method in an embodiment of the present application comprises: after a first non-access stratum (NAS) camping on a terminal of a first network acquires a first target indication, sending a second target indication to a first access stratum (AS) of the terminal, the second target indication comprising one of the following: an indication of falling back to a second network and an indication of redirecting to the second network, and the first NAS of the terminal corresponding to the first network; the first AS of the terminal triggering network reselection to the second network, the first AS of the terminal corresponding to the first network; and the terminal executing a voice service by means of the second network.
Inventors:
KANG YANCHAO (CN)
Application Number:
PCT/CN2023/081556
Publication Date:
September 21, 2023
Filing Date:
March 15, 2023
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04W36/00
Domestic Patent References:
| WO2021062727A1 | 2021-04-08 | |||
| WO2022036568A1 | 2022-02-24 |
Foreign References:
| CN113709903A | 2021-11-26 | |||
| US20190246318A1 | 2019-08-08 |
Other References:
QUALCOMM INCORPORATED, CHINA TELCOM, T-MOBILE USA CMCC, VERIZON: "EPS Fallback Issues", 3GPP DRAFT; R2-1909478, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Prague, Czech; 20190826 - 20190830, 16 August 2019 (2019-08-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051767275
QUALCOMM INCORPORATED: "Discussion on RAN slicing enhancement", 3GPP DRAFT; R2-2006767, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Electronic; 20200817 - 20200828, 7 August 2020 (2020-08-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051911674
QUALCOMM INCORPORATED: "Discussion on RAN slicing enhancement", 3GPP DRAFT; R2-2006767, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Electronic; 20200817 - 20200828, 7 August 2020 (2020-08-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051911674
Attorney, Agent or Firm:
COHORIZON INTELLECTUAL PROPERTY INC. (CN)
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