Conference control system and method

The invention provides a conference control system and method. The system comprises a call control node, an interactive voice response (IVR) service node and a target conference service node, the call control node receives a first establishment request sent by the terminal equipment, and establishes a first session channel; based on the first establishment request, a second establishment request is sent to the IVR service node to establish a second session channel; the IVR service node sends a first port number and a first IP address of the IVR service node to the terminal equipment so as to establish a first media channel; the conference account information sent by the terminal equipment is sent to the call control node; the call control node sends a third establishment request to the target conference service node based on the number of the terminal equipment so as to establish a third session channel; and the target conference service node sends the third port number and the third IP address of the target