With built-in VoIP technologies and advanced pure-IP software, the Vertical Summit is a flexible, cost-effective solution ideally suited for the mobile workplace.  Stay connected in and out of the office with the tap of a finger or click of the mouse, and easily expand your communications base as your business grows. Summit IP can support over 800 users and multiple sites and supports Voice over IP, T1/PRI trunks and traditional analog trunks. The system also offers a robust voice mail/auto attendant. Click for Brochure