These “Naked” ADSL2 plans use a line that can’t be used for making “standard” (PSTN) telephone calls on and it doesn’t have a telephone line number – it is only capable of delivering an ADSL2 service. This line can be used to make VoIP telephone calls if the customer has suitable VoIP equipment (a VoIP capable modem or some sort of ATA).

"Naked" ADSL2 Plans Do Not Need The Rental Of The Telephone Line

“Naked ADSL2 Plans Include 100 Unlimited Time National Or Local Calls (Via VoIP)* Requires Device