New MVNO www.whitemobile.com piggy backs on EE.

Calls to UK Landlines. 3p a minute.

Calls to UK Mobiles. 6p a minute.

UK Texts. 5p.

Voicemail. Free.

Free same network calls and texts subject to T&C.

Cheap Intl Calls.

It appears you need to make a chargeable call or top up every 45 days.

3.4. We will disconnect your SIM if during the previous 45 days you have not Registered a new Top Up or you have not made chargeable calls from your SIM. For the avoidance of doubt calls shall include but not be limited to voice calls, data calls and text messaging. On disconnection your mobile telephone number will be reassigned. On Reconnection you will be assigned a new mobile telephone number


http://www.whitemobile.com/terms-and-conditions/