FIELD: information technologies.
SUBSTANCE: method to guarantee QoS of data received by a mobile terminal at a receiving side, which carries out handover from the first network to the second network includes stages, at which a packet is generated, which contains information about the second network, the packet is transferred to the transmitting side, and handover is carried out selectively in compliance with the fact whether the packet contains information in response to the received packet. When the receiving side executes handover, the transmitting side may receive information about the second network by means of packets exchange between the receiving side and the transmitting side, thus QoS of data transfer is guaranteed.
EFFECT: method and device are provided to guarantee quality of data transfer service.
22 cl, 14 dwg
