Patent ID: 7765258

Claim:
A method of synchronization of pages of a presentation between a presentation computer and a user/participant computer while simultaneously allowing browsing of pages by a user/participant, said presentation being conducted over a presentation communication link, said method comprising steps of transmitting a plurality of pages corresponding to said presentation from said presentation computer to said user/participant computer over said presentation communication link, browsing said plurality of pages corresponding to said presentation at said user/participant computer, detecting a page change at said presentation computer, tracking said page change at said presentation computer to determine a current page, said page having a corresponding identifier, storing said identifier of a page responsive to said tracking step, determining an available telephone infrastructure link between said presentation computer and said user/participant computer separate from said presentation communication link, transmitting a command to said user/participant computer containing said identifier of a page resulting from performance of said page change command over a telephone infrastructure link, said telephone infrastructure link being integrated with at least one of said presentation computer and said user/participant computer but separate from said presentation communication link, and displaying a page corresponding to said identifier in response to said command transmitted in said transmitting step.