FIELD: information technology.
SUBSTANCE: method of indicating content of a message item in another message item, comprising steps for: providing an indicator outside said message item, wherein the indicator indicates presence of handover commands in double transmission mode in said message item; sending the indicator which indicates presence of handover commands in double transmission mode in another message item.
EFFECT: avoiding loss of messages for handover with packet switching between the target subsystem of a base station and the source base station.
9 cl, 3 dwg, 4 tbl
