Product Specifications Supports up to 100 users and 25 concurrent calls Up to 16 Analog Ports FXO/FXS Call Routing/Transfer/Caller ID Supports DID and Distinctive Ringtones Paging and Zone Paging Support 100 users and 25 simultaneous calls Basic call handling features Advanced IP-PBX features No licensing fees for full capacity MyPBX U100 is a 1U rack mount model IP PBX for up to 100 users. Internally, it supports network access to ISDN BRI, PSTN, GSM/CDMA/UMTS and VoIP. High performance, stability and compatibility, combined with rich functionality make MyPBX U100 perfectly suited for your business communication. With MyPBX U100, You can manage your phone system from any web browser using an intuitive and user-friendly Web interface. It’s easy to set up the system, add users, and configure the settings. MyPBX has been used and tested with a wide range of PBX, VoIP gateways, IP phones and ITSP. It’s excellent operability is something worth admiring. MyPBX U100 is a 1U rack mount model IP PBX for up to 100 users. Internally, it supports network access to ISDN BRI, PSTN, GSM/UMTS and VoIP. High performance, stability and compatibility, combined with rich functionality make MyPBX U100 perfectly suited for your business communicate. MyPBX is a powerful all-in-one system that delivers enterprise-grade functionalities and features to SMBs. On purchasing the unit, you will have all the features at hand without extra cost.