What are some alternatives?
MightyCall - Virtual phone system that lets you run your business from anywhere.
Custom IVR - Custom IVR development solution offers a notable reduction in overall cost of customer support without making compromise on the proficiency of customer relationship management.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Noble IVR - Noble IVR offers intelligent routing automated menus to callers to enhance interactions with fewer agent resources and lower costs, and gives customers access to instant information and rapid service.
Grasshopper - Grasshopper enables entrepreneurs to build a virtual office that connects callers to employees, wherever they are.