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)
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