Method, device and system for implementing multi-party conference call by using set top box

摘要

A method, device, and system for implementing a multi-party conference call by using a set-top box. The method includes: in a conferencing state, the set-top box sending a network server that manages the conference a request message for adding another specified set-top box into the conference where the set-top box is located; and after the set-top box receives an acknowledgment message fed back by the network server for indicating that the specified set-top box has joined in the conference, distributing audio and/or video signals to be transmitted by the set-top box to other members of the conference through the network server.