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It shouldn't cost anything at all. SMS piggybacks onto the signalling paths of GSM, which had 128 bytes unused, that can fit 160 characters. Your phone is sendi
by Stevvo 7y ago
It shouldn't cost anything at all. SMS piggybacks onto the signalling paths of GSM, which had 128 bytes unused, that can fit 160 characters. Your phone is sending & receiving those signals anyway, regardless of if you are sending an SMS message.
- hkai 7y agoSo SMS should be free and mobile companies should just charge more for data, to earn the same profit?