Patent ID: 8392535

Claim:
A method for controlling multichannel cascade between two media control servers, comprising: receiving a service request message; choosing a target channel from all the channels multichannel-cascaded with an opposite cascaded media control server according to the service request message and a preset channel usage rule; and sending information about the determined target channel to the opposite cascaded media control server so as to enable the opposite cascaded media control server to carry out code stream switching according to the information about the target channel; wherein choosing a target channel from all the channels multichannel-cascaded with the opposite cascaded media control server according to the preset channel usage rule comprises: determining whether a preset condition for setting a target channel is met; and if the preset condition for setting a target channel is met, setting a target channel; if the preset condition for setting a target channel is not met, preempting a target channel according to a preset preemption rule.