An apparatus and a method to use a telephone set to place telephone calls on a packet network and to route telephone calls between a telephone set, a telephone line, Local Area Network and packet network interfaces of the apparatus. More specifically, the apparatus may include one or more telephone set...http://www.google.es/patents/US6944151?utm_source=gb-gplus-sharePatente US6944151 - Apparatus and method to use a conventional telephone set to make telephone calls on a packet network
Apparatus and method to use a conventional telephone set to make telephone ...
