As a public service. Ericcson no longer make the DECT 260 telephone and it seems almost impossible to get support on the ‘phone. If, like me, you have been silly enough to lock it by not entering the correct PIN numbers at the right time, then you might need the universal IPEI code: 0000707402170
Ericcson 260 Cordless Phone
I spent a day searching the web for this number.