METHOD AND SYSTEM FOR INTERNET TELEPHONY WITH LEAST COST ROUTING

摘要

A system and method for establishing a communication link between an Internet telephony device and a PSTN telephone during a user registration period comprises receiving data from a user indicating a plurality of frequently called countries, accessing a gateway provider table comprising data on a plurality of gateway providers that provide service to the plurality of frequently called countries, determining the lowest cost gateway provider for the plurality of frequently called countries, and displaying to the user information on the lowest cost gateway provider for the plurality of frequently called countries. A system and method for dynamically selecting during a PC-to-Phone call connection procedure a destination gateway provider for establishing a connection between an Internet telephony device and a PSTN telephone comprises receiving from a user a destination PSTN phone number, selecting the lowest cost destination gateway provider from a gateway provider database using the destination PSTN phone number; and displaying to the user information on the lowest cost destination gateway provider.