BD-20E1-SIP is a new-generation intelligent E1 VoIP gateway which can support 20channels SS7 or PRI to SIP transmission. carrier-grade VoIP and FoIP.
32 FXO Analog VOIP Gateway is a multi-functional analog gateway offering seamless connectivity between IP-based telephony networks and legacy telephones (POTS),...
BD-E1-SIP is cost-effective trunk gateway equipment specific design for open source market to work with Asterisk/Elastix/small IPPBX
16E1 over Ethernet Multiplexer, central site, Point to Multi-point Equipement