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.

Grandstream GXV3140 IP Multimedia Phone

The GXV3140 is the next generation IP multimedia phone that combines best-in-class technology to enable free video and voice calling worldwide with just one simple step: plug-in. The GXV3140 allows you to keep in touch with friends and family around ...

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