Acces numbers are used to using VoIP services without needing a computer. Practically this is not in the following manner: You make a local call (within your country) from your mobile phone or landline. A controller responds and invites you to dial the phone number of your correspondent. you enter the phone number using the numeric keypad on your phone from your party and you're connected to him without having to call internationally from your mobile. Indeed, it will be the voip account which will be charged more for international communication possible (small) fee for the call the local number from your mobile phone that will cut your bill.