FIELD: information technologies.
SUBSTANCE: procedure of access to GERAN includes exchange of messages on PS connection between WTRU and a target controller of a basic station and a target SGSN. The procedure of access to GERAN uses exchange of messages with information on RAN mobility between WTRU and a target controller of a basic station and a message on detection of forwarding performed by an initial dedicated Unit B.
EFFECT: support of service transfer between systems.
15 cl, 7 dwg
