16-port E1/T1 Port Voice and Data Card480 simultaneous voice calls (or 16.4 Mbps full duplex data)Voice Protocols: PRI, CAS, MFC/R2, SS7WAN Protocols: ATM, Frame Relay, X.25, HDLC, PPP, Transparent Bit-stream & BSCVai completa, placa, cabos e modulo para rack de 16 E1