TOEC-2218 is the type of fax machine that uses two channels, namely through the GSM provider (Telkomsel, Indosat, XL Pro) or via the home telephone PSTN (Telkom). GSM Fax Machine can be used in areas not yet touched with a telecoms cable networks / PSTN, the forest / mountain / rural pengunaaannya in the hinterland, mining, plantations, and others.