Yeastar U300 is an embedded IP-PBX supporting PRI, similary Asterisk appliance, The new compact, feature rich IP-PBX for every-day use The powerful alternative for enterprise.
MyPBX U300 boasts 2 embedded PRI (E1/T1/J1) port and 2 FXS ports in the one compact system, providing higher density trunking for offices using E1 PRI signaling. This system supports up to 300 users and 50 concurrent calls. Also it could be used as a gateway to legacy PBX systems in applications.
One E1/T1/J1 ports (Support PRI,MFC R2,SS7)
2 FXS Ports
One RS232 Port