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 cant find . Without GAIT, while the GSM network are not able to SMS access, Turkish, and vice versa.