VOICE-SERVICE PROVISIONING FOR INTER-OPERATOR ROAMING

Title:

VOICE-SERVICE PROVISIONING FOR INTER-OPERATOR ROAMING

Document Type and Number:

WIPO Patent Application WO/2024/020939

Kind Code:

A1

Abstract:

The present application relates to devices and components including apparatus, systems, and methods for supporting voice services during roaming.

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Inventors:

XU FANGLI (CN)
QIAO XIAOYU (CN)
ZHANG DAWEI (US)
LIANG HUARUI (CN)
HU HAIJING (US)
GUO SHU (CN)
LI FANG (CN)
CHEN LANPENG (CN)

Application Number:

PCT/CN2022/108654

Publication Date:

February 01, 2024

Filing Date:

July 28, 2022

Export Citation:

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Assignee:

APPLE INC (US)

International Classes:

H04W36/14

Domestic Patent References:

WO2013185669A1

2013-12-19

Foreign References:

US20110028120A1	2011-02-03
US20150011214A1	2015-01-08
US20150237536A1	2015-08-20
US20160309374A1	2016-10-20

Other References:

NTT DOCOMO: "Restriction of Inter RAT handover/release with redirection/fast redirection between E-UTRAN and UTRAN/GERAN in case of roaming", 3GPP DRAFT; S2-123023_R8_RESTRICTION OF INTER RAT, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Barcelona, Spain; 20120709 - 20120713, 3 July 2012 (2012-07-03), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP050633537

Attorney, Agent or Firm:

BEIJING HAN KUN LAW OFFICES (CN)

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