Nextiva or Vonage are the two best business phone systems for most businesses. They both provide exceptional call quality, high reliability, and a robust suite of features to accommodate the needs of small and large organizations alike.  Nextiva is ideal for companies seeking a unified communications solution. In addition to traditional phone features, Nextiva comes with video conferencing, team messaging, fax, mobile SMS messaging, and more. Vonage is perfect for connecting dispersed employees and communicating with customers across every channel.