Patent ID: 7277424
Filing Date: 2007-10-02
Classification: H04L,H04M

Abstract:
1. A first computerized device configured to place a telephone call via a circuit switched telephone network to a second computerized device, comprising: a telephone subscriber interface to be coupled to the circuit switched telephone network; a computer readable medium that stores instructions; a set of digital circuits that includes a processor, wherein the processor executes the instructions to enable the set of digital circuits to cooperatively function to: wherein the packet switched data connection is established via a packet switched transmission path that is different than a circuit-switched transmission path over which the circuit-switched telephone connection is established, and wherein at least one of the computerized devices is a user computerized device with a user interface, and the packet switched data connection is used to carry application layer data for presentation to a user via the user interface while the circuit-switched telephone call is in progress between the first computerized device and the second computerized device.