Patent ID: 8885007

Claim:
A method of communicating between a first user and a second user, comprising: using a first communication application that is in execution on a first system, transmitting from the first system by the first user a first signal for delivery to the second user via a second communication application; delivering the first signal to the second user via the second communication application when the second communication application is in execution on a third system that is associated with the second user; performing by a processor of a second system at least one of video, audio, and image analytics of electronically sensed data to determine a presence of the second user at the third system when the second communication application is other than in execution on the third system; and, in dependence upon determining that the second user is present at the third system, based on a result of the at least one of video, audio, and image analytics, providing the second user with a first indication indicative of the first signal, the first indication provided via a pervasive communication application that is in execution on the third system and that is other than either of the first communication application or the second communication application.