On Wed, 25 Sep 2019 at 16:11, Colin Smale <[email protected]> wrote:
> On 2019-09-25 16:08, Paul Allen wrote: > > In the UK, people can tell that from the area code. > > > What about the cases where calls to customers on the same provider are > free? In general you have no way of knowing who is on which provider. And > thanks to number portability it is getting shuffled at a few percent a year > anyway. > Yep, it's getting worse because of number portability. But it's still possible (mostly) to distinguish between a mobile and a landline. And it's still the case that mobile to mobile with different providers is less than mobile to landline. Except where the same operator runs the mobile and landline. But even there, BT make no distinction between calling their own mobiles or some other provider's mobile from a BT landline. -- Paul > > > > > > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging >
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