30 ports FXO/FXS over E1 PCM multiplexer
30 ports voice over E1 PCM Multiplexer
30 ports FXO/FXS over E1 PCM Multiplexer
30 ports 2-wire 4-wire to E1 PCM Multiplexer
30 ports voice over E1 PCM Multiplexer
30 ports FXO/FXS over E1 PCM Multiplexer
30 ports 2-wire 4-wire to E1 PCM Multiplexer
