Patent ID: 8179822
Filing Date: 2012-05-15
Classification: H04M

Abstract:
1. A communication system comprising: a source telephone at a first location connected to public switched telephone network (PSTN) network; a first client apparatus for the source telephone at the first location connected to a packet switched network; a destination telephone at a second location connected to the PSTN network; a second client apparatus for the destination telephone at the second location connected to the packet switched network; the packet switched network further comprising: the source telephone configured to place a call through the PSTN network to the destination telephone, in response to the call: in response to said accessing the first server via the push-type telecommunication software from the first client apparatus, the first server configured to send a specific code to the first client apparatus, and send a group of the addresses of the second client apparatus, a number of the destination telephone, and the specific code to the second server, the source telephone configured to send data of the specific code to the first server via the destination telephone and the second client apparatus, the first server configured to determine if the data of the specific code received via the destination telephone and the second client apparatus match the specific code sent to the first client apparatus; the first server configured to: