Patent ID: 8483100

Claim:
A voice communication device that communicates with a receiving device via Internet and a public switched telephone network, the receiving device having a telephone number and an Internet identifier, the voice communication device comprising: a first interface that supports communication via the public switched telephone network (PSTN); a second interface that supports communication via the Internet; processing circuitry to: establish communication with the receiving device via the first interface; send a request signal via the first interface to the receiving device during setup of a PSTN call and prior to delivery of a ring signal to either one of the voice communication device and the receiving device, the request signal including a request for the Internet identifier of the receiving device; receive, from the receiving device during setup of a PSTN call and prior to delivery of a ring signal to either one of the voice communication device and the receiving device, a response to the request signal including communication capabilities of the receiving device; based on the communication capabilities of the receiving device: drop the communication established via the first interface; and establish a voice call with the receiving device via the second interface using the Internet identifier of the receiving device.