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It is technically possible, here in Finland such blocking (i.e. all inbound international calls with Finnish caller ID, except for roaming) has been obligatory
by AnssiH 2mo ago
It is technically possible, here in Finland such blocking (i.e. all inbound international calls with Finnish caller ID, except for roaming) has been obligatory for a few years now (https://traficom.fi/en/news/obligations-regulation-come-effect-200000-scam-calls-are-prevented-day https://traficom.fi/en/news/obligations-regulation-come-effe...).
- Pinus 2mo agoSomething similar is in place in Sweden. For landline numbers, it is of course easy. A number with, say, a Stockholm area code is not suddenly going to be in Nigeria. For mobiles it is trickier, because a Swedish mobile may very well be in Nigeria. Some additional database look-ups had to be added to the already rubegoldbergesque contraption that handles mobile phone calls.