The receiver of the calls pays for an incoming call according to their roaming tariff
The caller pays for an outgoing call according to their roaming tariff
*Has an O2 number and is abroad *Has an O2 number and is abroad
The receiver of the calls pays for an incoming call according to their roaming tariff
The caller pays for an outgoing call according to their roaming tariff
*Has an O2 number and is abroad *Has an O2 number and is abroad



