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ORGANISATION AFRICAINE DE LA PROPRIETE INTELLECTUELLE 19 11 8 51 Inter. CI. H04M 7/00 (2006.01) N° 16221 FASCICULE DEBREVET D’INVENTION 21 Numéro de dépôt:1201000314 (PCT/DK09/000067) 22 Date de dépôt :18/03/2009 30 Priorité(s) : EP n° 08005000.8 du 18/03/2008 73 Titulaire(s) : BLUE-TOWN APS c/o AXO Horkaer 12 A 1, DK-2730 HERLEV (DK) 72 Inventeur(s) : KRISTENSEN, Johnny (DK) STROMSTED, Rasmus (DK) 74 Mandataire :SCP GLOBAL AFRICA IP, Base Buns, MvogBetsi, (Sise Nouveau Marché), P.O. Box 3694, YAOUNDE (CM). 24 Délivré le :31/01/2014 45 Publié le : 10.04.2015 54 Titre :Communication system for voice-over internet protocol using license-free frequencies and a mobile telephone. 57 Abrégé : In a communication system comprising - at least one mobile telephone (1) having Bluetooth capability and softwareimplementing possibilities, - at least one Bluetooth access point (6) providing an internet connection, - at least one internet-connected VOIP server (8) providing call connections in the form of PSTN, GSM, VOIP, etc., there is provided a software-implemented client (11,12,13,18) functioning as a call centre and controlling outgoing and incoming communications to be directed via the Bluetooth connection (5) between the mobile telephone (1) and the Bluetooth access point (6) and via the internet (7) to and from the VOIP server (8) controlling the call connections. This provides the possibility of making calls at a reduced price or even free. O.A.P.I. – B.P. 887, YAOUNDE (Cameroun) – Tel. (237) 22 20 57 00– Fax: (237) 22 20 57 27– Site web: http:/www.oapi.int – Email: [email protected] 16221 16221 16221 16221 16221 16221 16221 16221 16221 16221 16221 16221 16221