An apparatus for identifying participants of a conference call in a telephony network, each participant using a respective channel to participate in the conference call, the apparatus including: a sampler, deployed in the telephony network, and configured to continuously sample each of the channels during the conference call, a dominant channel identifier, in communication with the sampler, and configured to identify in real time a dominant one of the sampled channels, and a current speaker data disseminator, in communication with the dominant channel identifier, and configured to disseminate, in real time, data pertaining to a participant who uses the dominant channel to at least one remaining participant of the conference call, so as to identify the participant who uses the dominant channel as a current speaker to the remaining participant.