3 ms·
Just an FYI, but all GSM control information is sent via SMS. You have thousands of them coming from your phone everyday. SMS as instant messaging is a big pot
by adestefan 14y ago
Just an FYI, but all GSM control information is sent via SMS. You have thousands of them coming from your phone everyday. SMS as instant messaging is a big pot of gold for carriers since the infrastructure has to be in place for the network to even work.