FIELD: information technology.
SUBSTANCE: invention discloses a method, device and system for initiating change of service in a wireless system having an initiating side and a terminal side. The invention involves initiation of a modification request in a wireless system, where the modification request relates to change of service with transition from a first mode to a second mode. Also, the invention involves modification of the terminal mode with transition from a first mode to a second mode if the request mode is approved by the terminal, and completion of assignment of a radio channel after the modification request is approved.
EFFECT: avoiding undesirable traffic interruption.
10 cl, 7 dwg
