The MX Series of Zultys IP phone systems deliver enterprise class IP telephony services that support high quality VoIP and Unified Communications services. Each MX system comes with built-in SIP trunk support and a complete Unified Communications system.
The MX-E is available in three different models; the base MX-E model supports 300 users, while the MX-E+ can support up to 1000 users, and the MX-E++ is designed to accommodate businesses with up to 2000 users on a single appliance. Meanwhile, the MX-SE IP phone system was designed for small or medium businesses or to house employees of a smaller branch office of a multi-location enterprise with up to 50 users.