Determination of presence information about a presentity by analysing an audio signal from a terminal associated with the presentity

摘要

The invention relates to a method of determining presence information about at least one presentity. In particular, the invention is concerned with a method of determining presence information about at least one presentity, the method comprising: accessing an audio signal from a terminal associated with the at least one presentity, analysing the audio signal to determine information regarding the presence of the at least one presentity, providing the presence information as a presence service to a third party. The invention further relates to a presence service system, a user terminal comprising means operable to perform the method of the invention, a communications network comprising a terminal, the presence service system being operable to perform the method of the invention and a computer readable storage medium storing a program which when run on a computer controls the computer to perform the method of the invention.