A method includes generating a random identification token on a computer that identifies the computer; modulating the identification token to an audio signal on the computer; causing, with the computer, a speaker to emit the audio signal receiving, at video conference device, the audio signal with a microphone associated with the video conference device; demodulating the audio signal to the identification token in the video conference device; sending at least the identification token and a unique identifier of the video conference device to the computer; and establishing a communication session through a communication network, that both the computer and video conference device are communicatively connected to, from the computer to the video conference device enabling control of, and data transfer to, the video conference device from the computer.