ISDN VoIP Gateway bridges the gap between ISDN phones lines and VoIP network. It is available with single E1/T1/PRI gateway, and 4-port BRI gateway. Each connects existing legacy PBX using BRI/PRI interfaces, or adds BRI/PRI trunks for IP-PBX.
QXE1T1 GatewayThe QXE1T1 Gateway features 30 channels for E1 and 20 channels for T1 of compressed G.729 codec and conforms to a broad variety of voice..
PRI VoIP Gateway TE100TE100 is a single port VoIP E1/ T1 /J1 gateway (VoIP to E1/T1/J1, and E1/T1/J1 to VoIP) that supports up to 30 concurrent calls...