Abstract: The present invention provides a telephonic headset bridging apparatus having relay based circuitry for automatically or manually switching a single telephonic headset to operate and monitor a plurality of communication apparatuses. The bridging apparatus includes isolated circuits so that the various communication devices which are to be operated, using the headset bridging apparatus, are not able to communicate with each other. The invention is particularly designed for use in a police station to use a single telephonic headset to monitor a plurality of communication apparatuses that includes an integrated Public Safety Answering Equipment (PSAP), a telephone, and, in a more particular embodiment, a radio. A recorder connection is also provided in the bridging device.