76332461
Oct 17, 2001
Mar 11, 2003
Computer hardware that enables online communications, voice-over data communications, voice-over-Internet-protocol communications, and voice-over-digital-subscriber-line communications; computer software that enables users to send and receive online communications, voice-over-data communications, voice-over-Internet-protocol communications, and voice-over-digital-subscriber-line communications
Electrical and Scientific Apparatus