FIELD: communication systems engineering, in particular, speech communication in packet mode in communication systems.
SUBSTANCE: in accordance to method except standard main network of cell radio communications a group communication service level in packet mode is provided (for example, IP). Principally, level of group communication contains a pair of base logical objects: bridge of applications or call processing server. Bridge and call processing server launch applications of group service, which connect to group service applications on mobile station by means of IP-connections provided by radio communication network. Call processing server is responsible for control over group communication in control plane. Bridge is responsible for distribution in real time mode of VoIP packets between client terminals in accordance to their group membership via appropriate connections, programmed by call processing server.
EFFECT: expanded functional capabilities due to usage of group communications.
16 cl, 15 dwg
