(19)
(11) EP 3 761 706 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
19.07.2023 Bulletin 2023/29

(45) Mention of the grant of the patent:
17.05.2023 Bulletin 2023/20

(21) Application number: 20183694.7

(22) Date of filing: 02.07.2020
(51) International Patent Classification (IPC): 
H04W 36/00(2009.01)
H04W 36/14(2009.01)
 H04W 88/04(2009.01)
(52) Cooperative Patent Classification (CPC):
H04W 36/0022; H04W 36/14; H04W 88/04

(54)

MODEM AND APPLICATION INTERACTION FOR VOICE CALLS

MODEM UND ANWENDUNGSINTERAKTION FÜR SPRACHANRUFE

MODEM ET INTERACTION D'APPLICATION POUR DES APPELS VOCAUX

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 03.07.2019 US 201962870137 P
02.06.2020 US 202016890181

(43) Date of publication of application:
06.01.2021 Bulletin 2021/01

(73) Proprietor: MediaTek Inc
Hsinchu City 30078 (TW)

(72) Inventors:
  • HUANG, Yu-Cheng
    Hsinchu City 30078 (TW)
  • HSU, Chun
    Hsinchu City 30078 (TW)
  • CHEN, Cheng-Yu
    Hsinchu City 30078 (TW)
  • NIEMI, Marko
    Oulu (FI)

(74) Representative: Patentship Patentanwaltsgesellschaft mbH 
Elsenheimerstraße 65
80687 München
80687 München (DE)


(56) References cited: : 
WO-A1-2016/186685
 WO-A2-2019/099705
   
  • "10 EPS session management", 3GPP DRAFT; 36523-1-F50_S10-S13, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , 17 April 2019 (2019-04-17), XP051698502, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/3guInternal/3G PP%5Fultimate%5Fversions%5Fto%5Fbe%5Ftrans posed/sentToDpc/36523%2D1%2Df50%2Ezip [retrieved on 2019-04-17]
  • ERICSSON ET AL: "EPS Fallback for voice", 3GPP DRAFT; S2-181637_WASENDORSEDIN_S2-181211_23502_EP S FALLBACK FOR VOICE_FEB13, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOL , vol. SA WG2, no. Montreal, Canada; 20180226 - 20180302 20 February 2018 (2018-02-20), XP051408254, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg%5Fsa/WG2%5 FArch/TSGS2%5F126%5FMontreal/Docs/ [retrieved on 2018-02-20]
  • "3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; AT command set for User Equipment (UE) (Release 16)", 3GPP DRAFT; DRAFT_27007-G20, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , vol. CT WG1 17 September 2019 (2019-09-17), XP051781969, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg_ct/WG1_mm- cc-sm_ex-CN1/TSGC1_120_Portoroz/draftspecs afterCT85/draft_27007-g20.zip [retrieved on 2019-09-17]
  • MEDIATEK INC ET AL: "EPS fallback status +CEPSFBS", 3GPP DRAFT; C1-195117 WAS662 EPS FALLBACK REPORTING V2, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , vol. CT WG1, no. Wroclaw (Poland); 20190826 - 20190830 30 August 2019 (2019-08-30), XP051759338, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/Meetings_3GPP_ SYNC/CT1/updates/update10/C1-195117.zip [retrieved on 2019-08-30]
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).