| http://www.w3.org/ns/prov#value | - Brevet US6289010 - Inbound gateway authorization processing for inter-carrier internet telephony - Google???BrevetsRecherche Images Maps Play YouTube Actualit???s Gmail Drive Plus ??Connexion Recherche avanc???e dans les brevets BrevetsA communication system providing telephony communication across combined circuit switched and packet switched networks, such as a telephone network and the Internet
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