FIELD: physics, communication.
SUBSTANCE: invention is related to systems of wireless communication. Method of roaming, in which user using Mobile IP changes from domestic system into guest system that comprises service unit of GPRS support (SGSN), consists in the fact that domestic system is connected to guest system, in order to provide for the possibility for data exchange between domestic system and guest system, besides domestic system comprises its own agent, by means of stages, at which module of a foreign agent emulation by the third interface is submitted to domestic system; and module of gateway unit of GPRS support (GGSN) is submitted to guest system by the fourth interface.
EFFECT: improved flexibility in presentation of communication services.
71 cl, 9 dwg
