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It's an honour based system. There are companies that'll activate SMS on any number. They verify your access to a number, then they have a contract that lets th
by MichaelGG 10y ago
It's an honour based system. There are companies that'll activate SMS on any number. They verify your access to a number, then they have a contract that lets them assert they are allowed to do SMS for you. The owner of the number (the carrier) has to agree to this system so it's not available for every possible number.