Cisco - Voice interface card - plug-in module - ISDN BRI ST - 4 digital port(s) - refurbished
The BRI voice module (BVM) provides four ISDN BRI S/T interfaces to a Private Integrated Services Network Exchange (PINX) through CB-1D ports. It supports QSIG signaling to and from the PINX. An MFT must be installed in the Cisco MC3810 chassis for the BVM to operate.
