*You need to top-up by top-up voucher, top-up by credit card or buy a goodybag from your credit card at least every 3 months to receive free giffgaff to giffgaff calls, if you don't other UK rates will apply as above. The free giffgaff to giffgaff calls last for 60 minutes per call, so you need to hang up and re-dial if you want to keep talking.
There is no extra charge.As I understand it -
So the extra charge is really about GiffGaff to GiffGaff calls.
Only on the £5 HokeyCokey package,which is 60 min/300 text. no dataYou also get 1 minute free, for every minute someone calls you from a non GG phone.