GAIT, etc. teams within the organization, Empower the GSM / ANSI - 136, a group composed of operators, GSM / TDMA, North America, consortium Communications wireless world ( UWCC ). They standard it created that roaming seamlessly between GSM networks and TDMA makes it possible ( to the standard GAIT is also called ) . TDMA - ANSI and GSM, two of the three digital technology major for the network and mobile are CDMA ( technology is another ) . The driving force and the rate of this standard, the fact that the two main operator United States - cingular Wireless AT T v – any two networks, their technology TDMA to GSM data transfer . Them during the transition period, simultaneously from both types of network were used . So having a phone that has integrated the two type of network work is beneficial . Standard GAIT include upgrades to the network and also the new phones " GAIT ". With both of them, roaming and features such as voice mail and message this SMS text in any type of network is integrated and the transition for users easier . Technology GAIT, etc. seamlessly transition between TDMA and GSM do not provide . For example, if a region of TDMA to the area of GSM ( like a highway ) move to the contact that is going on, etc. the drop can't find . Without GAIT, while the GSM network are not able to SMS access, Turkish, and vice versa.