
With PLFON you can just make outgoing calls, without having a telephone number. You just need to register for free at PLFON and charge a first credit prepaid. After the installation of your VoIP hardware or software you can make outgoing calls worldwide at very low costs!
Dialing a number is the same as in traditional telephony. To dial a number you don't have to use any special prefix.
Calling polish number just dial a number with a its regional zone number, ex: 223456789
Calling abroad dial a number with a country prefix, ex: 0041123456789
The incoming calls can be received as usual with your traditional operator and/or you can receive with PLFON in a second step.