Patent ID: 6643283
Filing Date: 2003-11-04
Classification: H04L

Abstract:
A communication system comprising:a first gateway; and a first terminal coupled via a dial-up network to the gateway, the terminal includes a controller for dialing the first gateway and providing an identification of a second terminal connectable to the first gateway via a second gateway, the identification providing data for making a call to the second terminal, wherein the first gateway receives the identification of the second terminal without answering the call initiated by the first terminal by using numbering/addressing information and attempts to contact second gateway via the Internet, wherein after a predetermined period/number of unsuccessful attempts to contact the second gateway via the Internet, the first gateway contacts the second gateway via PSTN to request that the second gateway connect to the Internet, and wherein the second gateway does not answer the PSTN attempted call from the first gateway, but reads numbering/address data that identifies the first gateway, and the second gateway contacts the first gateway via the Internet.