What is Voice over Internet Protocol (VoIP)? Is a family of transmission technologies for delivery of voice communications over IP networks such as the Internet or other packet-switched networks.

Plantronics CS55 Wireless Office Headset System, Digitcom.ca, Telephone Systems, VoIP

Plantronics CS55 Wireless Office Headset System. www.digitcom.ca Plantronics CS55 wireless headset use the new 1.9 GHz voice-dedicated frequency which provides users with strong sound quality for optimal voice and hearing clarity. Using the new voice...

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