The origin question you will find at http://www.experts-exchange.com/Networking/Wireless/Standards/GSM/Q_24920816.html . Accepted answer: It depends on the number of data you would like to send. A connection to your ISP you make by CSD or packet switched data (GPRS, EDGE, HSPA). For such a connection you have to pay for. CSD or GPRS are handled different at […]