O2 SIM to SIM with internet or O2 TV
(O2 SIM to SIM - detailed information about the service.)
Enjoy free, unlimited calling between two O2 mobile numbers at any time. O2 SIM to SIM is included in the monthly fee for Home Internet or O2 TV.
You can make free calls simply by having two O2 numbers on the same invoice, and adding O2 SIM to SIM to your Home Internet or O2 TV service. We can transfer mobile numbers to one invoice for you at any time, free of charge. Just stop by an O2 Shop. If you already have both O2 numbers on the same invoice, you can also activate the service by calling *11.
You can use the O2 SIM to SIM service with any two of the following mobile tariffs:
- O2 NEON S, M, L, XL, XXL, and SMS (current offer)
- Bronze, Silver, Gold, Diamond, and their Max variants
- O2 Simple 240, 600, 980, 1350, 1980
- O2 Individual
- O2 Praktik, O2 SMS, and O2 SMS Max
- O2 Relax and O2 Relax Plus
