| Patent Number |
Title Of Patent |
Date Issued |
| 7054303 |
Information terminal and information terminal system |
May 30, 2006 |
| An information terminal incorporates a network interface and an extension interface, and in the case of outside call, an audio send signal is modulated into an audio signal frequency band, and sent to the exchange through a private telephone line and a subscriber's line by way of the |
| 6791973 |
Internet telephone system |
September 14, 2004 |
| A calling side ISDN terminal adapter (TA) judges if Internet call is possible or not when the telephone number of a destination side telephone set is specified by a calling side telephone set. If judged possible, a predetermined number, and ciphered Internet connection member identif |
| 6769020 |
Data terminal, data distribution system, and internet telephone system |
July 27, 2004 |
| A data terminal, a data distributing system, and an Internet telephoning system are provided where desired data such as advertisements can selectively be determined and used for enjoying its relevant services. The data terminal receives a summary of service data from a data provider |
| 6704309 |
Internet telephone apparatus and internet telephone gateway system |
March 9, 2004 |
| An Internet telephone apparatus which is capable of processing an Internet connection to an Internet telephone or to personal computer communications without requiring the installation of an additional public line, so that a cost for extension of a line and maintenance of the extended li |
| 6430178 |
Internet telephone apparatus, communication system utilizing wide area data communication networ |
August 6, 2002 |
| To prevent a calling party from paying an Internet connection fee when a called party is busy, in an Internet telephone, a call setting message including a sub-address to the called party is used to notify the called party of an incoming call which can be placed through the Internet. ISD |