VoIP (Voice over Internet Protocol) sends phone calls over the internet instead of copper lines. Modern VoIP offers cost savings for long-distance calls, feature-rich plans, and multi-device support, but depends on broadband and may have emergency-call and power limitations.
SunRocket once marketed low-cost VoIP with free features and low monthly rates. The company stopped operating in 2007, underscoring the provider-risk of early VoIP. Today's alternatives require checking E911, portability, and refund policies.
VoIP transmits voice and video over the internet, offering cheaper international and business calling. Learn what you need, how free and paid options differ, and practical limits like emergency calling and call quality.