| 摘要 |
FIELD: information technology. ^ SUBSTANCE: each of multiple group communication network transforms media information, such as video, audio, images and/or data, into data packets, applicable to be transmitted via data network, such as Internet. Data packets are selectively transmitted to communication administrator via data network. The communication administrator operates as a configurable switch, allowing connection from any communication device, which is to be selectively routed to multiple communication devices on the basis of device type and/or requests from corresponding users. Then, the communication administrator permits users of other systems and communication devices to perform group communication. ^ EFFECT: provision of group communication. ^ 44 cl, 7 dwg |
