Method and Apparatus for Playing Conference Signal, Video Conference Terminal, and Mobile Device

A method for playing a conference signal, comprising:

• establishing a connection channel between a mobile device held by a conference participant and a video conference terminal that are at a site;
• receiving, through the established connection channel, a type of signal that is sent by the video conference terminal and selected from to-be-played signals comprising two different types of signals;
• and
• playing the received type of signal,
• wherein the type of signal is a presentation stream signal or a main stream signal.

A video conference terminal, comprising:

• a processor configured to establish a connection channel between a mobile device held by a conference participant and the video conference terminal that are at a site;
• and
• a signal distributor configured to:
• send, through the connection channel established by the processor, a first type signal in to-be-played signals to the mobile device for play, wherein the to-be-played signals are signals that are received by the video conference terminal and are to be played;
• and
• send a second type signal in the to-be-played signals to a primary playing device of the site for play,
• wherein in the to-be-played signals, the first type signal is a presentation stream signal and the second type signal is a main stream signal, or the first type signal is a main stream signal and the second type signal is a presentation stream signal.

A mobile device, comprising:

• a processor configured to establish a connection channel between the mobile device and a video conference terminal that are at a site;
• a signal receiver configured to receive, through the connection channel established by the processor, a type of signal that is sent by the video conference terminal and selected from to-be-played signals comprising two different types of signals;
• and
• a player configured to play the received type of signal,
• wherein the type of signal is a presentation stream signal or a main stream signal.