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What about MNC codes for the shared network? Will there be new codes allotted or one of the codes reused?


Hi SD,

as they say they will keep their frequencies it is likely that they will continue using their MCC/MNCs, each on different carriers. So from the outside it will appear as separate networks as before.

Kind regards,


I'm not sure about that network sharing between Three and T-Mobile/EE. For example, I can hardly get a signal on Three inside my house, but I can get a full-strength Orange or T-Mobile signal. I guess that the networks are not shared everywhere, but only in the areas where Three, being a late entrant, didn't build up their own network (except my house, of course :-(


Things are even more complicated once one looks a bit deeper. So T-Mobile and Three UK are in a MORAN arrangement. T-Mobile and Orange are owned by the same company (EE). However T-Mobile and Orange do not share 3G networks. However they do allow national roaming between the two. For this they use EPLMNs so the mobile can seemlessly reselect between the two. Vodafone and O2 are going to use MORAN functionality on their network. With LTE coming along things get even more complicated. Three are going alone using Samsung as their EUTRAN vendor. Orange and T-Mobile disappear and become EE (to the general puplic as well)and have one network. Crazy..


In preparation for the 3G auction back in 2000, I remember hearing about a study that concluded: five networks were optimum to foster competition between the mobile operators. Seeing as Virgin had launched as a MNVO in 1999, I suspect that MNVOs were not considered as a network. So the question you ask is a good one - how will true network competition evolve now that all the traditional operators are now effectively MNVOs?

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