In today’s communications environment, many phone calls are made to mobile lines. Mobile phone operators normally have plans that offer very lost cost or complimentary call within the same network. By using a GSM phone for your premises, it can help to save on your monthly phone bill as there are no monthly phone line rental costs to bear and calls made between landline and mobile lines normally cost more too. With Fixed Wireless Terminal adding to your PABX system, call from your office fixed line phones are transmitted over the GSM mobile network instead of landlines and achieved cost saving. GSM desktop phone also suitable to use at the places with no landline such as exhibition centre, warehouse, remote areas and etc.