FIELD: information technology.
SUBSTANCE: single message with minimum level request is sent from client (A) PoC to server (S) PoC and belongs to at least two different types of media content. The message with minimum level request indicates, for at least one of media types, how and/or to what degree enabling or rejection of request belonging to this type of media should affect and/or depend on the request belonging to at least one different type of media. For example, message with minimum level request can indicate for at least one of media types that if the request belonging to this type of media is rejected then a request belonging to any other type of media also has to be rejected, i.e. that this type of media is required. Also, multiple messages with minimum level requests can be used simultaneously.
EFFECT: providing push-to-talk service where terminal requires minimum level to allocate content for other terminal participating in push-to-talk service.
27 cl, 4 dwg
