4 Port BRI Module (BF4S0)

1 Port PRI Module (BF1E1)

2 Port PRI Module (BF2E1)

4 Port FXO Module (BF4FXO)

4 Port FXS Module (BF4FXS)

2 Port GSM Module (BF2GSM)

2/2 Port BRI/FXS Hybrid Module (BF2S02FXS)