FIELD: radio engineering, communication.
SUBSTANCE: multimedia terminal sends a request to establish a multimedia call into a non-multimedia terminal, a request to establish a multimedia call is forwarded by a mobile switching centre (MSC) according to subscription information for an MRBT-service for a non-multimedia terminal, at the same time the request for establishment of a multimedia call includes a unique identifier of a non-multimedia terminal and/or a unique identifier of subscription in subscription information; a non-multimedia terminal is defined as a subscriber terminal for an MRBT-service according to compliance between a detected unique identifier and a non-multimedia terminal or according to a unique identifier of subscription in subscription information and reproduction of MRBT for a multimedia terminal.
EFFECT: provision of the possibility for a calling multimedia terminal to exchange speech with a called non-multimedia terminal and to view multimedia information.
8 cl, 8 dwg
