Rhino Equipment - T1/E1 + FXS/FXO VoIP Telephony Interfaces

Rhino is a leading manufacturer of analog and digital interfaces for open source IP PBX's such as Asterisk IP PBX. Currently Rhino offers several T1/E1 interfaces, there is the R1T1 single port T1/E1 PCI card, the R2T1 double port T1/E1 PCI card and the R4T1 quad port T1/E1 PCI card. Rhino also manufacturers FXS/FXO interfaces, the R4FXX-EC has a maximum of four FXS/FXO interfaces, the R8FXX-EC has a maximum of eight FXS/FXO interfaces and the R24FXX-EC has a maximum of twenty four FXS/FXO interfaces.

Most of the Rhino FXS/FXO interfaces are modular, meaning that you can add or remove FXS or FXO modules to create custom port configurations but they also manufacture fixed configuration cards at a reduced price. Rhino is the first manufacturer to make built in hardware echo cancellation standard on all FXS/FXO interfaces.