Jive

Pros - This service has advanced queuing features that distribute calls equally and give your clients the option to receive a call back from the system when it's their turn to talk to a representative.

  Cons - There's an additional fee for your company when someone calls you on your toll-free number.

  The Verdict - 9.6/10This company's network is fully redundant, and it provides a service level agreement so that you can be confident that you'll receive the service you need. Additionally, this business VoIP has many strong features, including advanced queuing options.