Updated : 25/04/2017
Using your mobile phone while abroad to make or receive calls, send text messages (SMS) or surf the internet.
These services are usually provided by a local (foreign) network operator, which charges your home operator, who passes on the cost to you.
YES - from 1 July 2014 you'll be able to have a contract with one operator, for national services, and another with a separate operator, for roaming.
On that date, your operator will have to inform you that this option exists, so you can find a different operator for roaming, if they offer a better deal.
NO - you must be able to keep the same number for both contracts.
You can of course stick with your original operator for all services; there is no obligation to get a separate contract. This option is there solely to make it easier for you to compare roaming prices between operators.
You can opt out of these by informing your operator.