After you migrate the phone system from analog PBX to IP PBX, if you have some analog phones, you can use the FXS gateway to make a connection between analog phones and IPPBX, at this time, FXS gateway needs to
3CX
3CX
After you migrate the phone system from analog PBX to IP PBX, if you have some analog phones, you can use the FXS gateway to make a connection between analog phones and IPPBX, at this time, FXS gateway needs to