Patent ID: 8948059
Filing Date: 2015-02-03
Classification: H04L,H04Q

Abstract:
1. A conference terminal for communicating with a selected separated conference terminal which is not acting as a conference bridge, the conference terminal comprising: an audio processing unit; a control module communicably coupled to the audio processing unit; and a network interface communicably coupled to the control module; wherein the control module is operable to transmit control data in combination with audio data to the selected separated conference terminal; wherein the control data comprises a signal that adjusts the volume of the audio sent by the selected separated conference terminal to all other conference participant devices; wherein the network interface sends and receives data according to a protocol selected from the group consisting of IP, modem data, local serial digital input/output, ISDN, and analog; and wherein the control data is transmitted in-band with the audio data and wherein the control data is substantially humanly inaudible.