Ni fydd ffonio adref o dramor yn costio mwy na 33 ceiniog (€0.49) y funud (gan ddisgyn i 29 ceiniog (€0.43) y funud ar ôl 2 flynedd).
The cost of using mobile phones abroad will be cut by up to 70%.Calling home from abroad will cost customers no more than 33p (€0.49) per minute (falling to 29p (€0.43) per minute after 2 years).Receiving a call, the retail price will be no more than 16p (€0.24)