ManiacJoe Trusted Member Aug 5, 2015 6,326 3 38 Visit site Jul 26, 2016 #2 SMS is sent using "unused" data space in the data packets used for house keeping. While you are on a call, there is probably no "unused" data space in the network packets. Upvote 0 Downvote
SMS is sent using "unused" data space in the data packets used for house keeping. While you are on a call, there is probably no "unused" data space in the network packets.