Edit: More about how two towers figure out which cellphones need to be connected to each other
In: Technology
Your phone doesn’t care which tower, because *they’ll all work*. That’s the point of cell towers – they’re interchangeable, it doesn’t really matter that much if you’re connected to one in particular.
Every tower will ultimately connect to one or more phone exchanges. An exchange receives a call, and gives it to someone else. It just passes it through. For local calls, it receives a nearby call and gives it to a nearby phone. For longer distance, however, it gives the call to another exchange – which might give it to another exchange, then another, and so on across the world.
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