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1. (WO2018065270) METHOD FOR ESTABLISHING A COMMUNICATION AND INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2018/065270    International Application No.:    PCT/EP2017/074463
Publication Date: 12.04.2018 International Filing Date: 27.09.2017
IPC:
H04W 76/02 (2009.01), H04W 36/00 (2009.01), H04L 29/06 (2006.01)
Applicants: NTT DOCOMO, INC. [JP/JP]; 11-1 Nagata-cho 2-chome, Chiyoda-ku Tokyo, 100-6150 (JP)
Inventors: MUTIKAINEN, Jari; (DE).
KOSHIMIZU, Takashi; (JP).
ALI, Irfan; (DE).
GUERZONI, Riccardo; (DE)
Agent: VIERING, JENTSCHURA & PARTNER MBB; Am Brauhaus 8 01099 Dresden (DE)
Priority Data:
16192457.6 05.10.2016 EP
Title (EN) METHOD FOR ESTABLISHING A COMMUNICATION AND INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM
(FR) PROCÉDÉ D'ÉTABLISSEMENT D'UNE COMMUNICATION ET SOUS-SYSTÈME MULTIMÉDIA DE PROTOCOLE INTERNET
Abstract: front page image
(EN)According to one embodiment, a method for establishing a communication is described comprising receiving an invitation to a communication session between a first communication device and a second communication device, storing information representing the invitation, notifying the first communication device over a first mobile radio communication network that a communication session is intended, performing a fallback of the first communication device from the first mobile radio communication network to a second mobile radio communication network, sending a message indicating the invitation based on the stored information to the first communication device via the second mobile radio communication network and establishing the communication session between the first communication device and the second communication device via the second mobile radio communication network.
(FR)Selon un mode de réalisation de la présente invention, un procédé pour établir une communication comprend les étapes consistant à : recevoir une invitation à une session de communication entre un premier dispositif de communication et un second dispositif de communication; stocker des informations représentant l'invitation; notifier le premier dispositif de communication dans un premier réseau de radiocommunication mobile dans lequel est projetée une session de communication; réaliser un repli du premier dispositif de communication du premier réseau de radiocommunication mobile à un second réseau de radiocommunication mobile; envoyer un message, indiquant l'invitation sur la base des informations stockées, au premier dispositif de communication via le second réseau de radiocommunication mobile; et établir la session de communication entre le premier dispositif de communication et le second dispositif de communication via le second réseau de radiocommunication mobile.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)