Patent ID: 8243120

Claim:
A method for realizing a private session in a multipoint conference, comprising: receiving, by a multipoint control unit (MCU), a private session establishment request, wherein the private session establishment request carries private session participant identifiers (IDs); establishing, by the MCU, a private session according to the private session establishment request; mixing, by the MCU, audio code streams of private session participants according to the private session participant IDs; and sending, by the MCU, the mixed audio code streams to the private session participants, and prohibiting the mixed audio code streams of the private session participants from being sent to those not participating in the private session, presetting priority levels of all participants of the multipoint conference; wherein the mixing of the audio code streams of the private session participants further comprises: mixing, by the MCU, audio code streams of participants with high priority levels; and filtering off audio code streams of participants with low priority levels.