• How to enable conference call / call waiting?

    "The dual phone call enables you to receive or to make a call while you're already on the phone.

    To activate this service please dial: * 43 # OK
    To disable dial # 43 # OK
    You can hold in a queue when you want to take or make a further communication.

    To put the current call on hold and dial 2 OK
    To end the call, dial 1 and OK
    To reject the second incoming call and dial 0 OK"