Wireless multi-unit conference phone

Details Wireless multi-unit conference phone Wireless multi-unit conference phone

H - Electricity

04

M

H04M 3/56 (2006.01) H04M 1/00 (2006.01) H04M 1/20 (2006.01) H04M 9/08 (2006.01)

Patent

CA 2539310

A wireless conference phone system has a base station to couple at least one conference unit to a telephone network, such as the public switched telephone network (PSTN) or a digital telephone network such as a voice over Internet protocol (VoIP) network. Each conference unit performs echo cancellation of the audio signal received from a remote location allowing a simplified base station implementation.

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