Since the radio spectrum is a very scarce resource, the call admission control (CAC) is one of the most important parts in radio resource management of mobile communication systems. With the aim at resolving the problem of streaming a medium’s over-use of resource, a cooperative game theory-based CAC strategy is proposed in this paper. The players are the services in connection, and a new service requests to access the system. The base station is the external power, which ensures the protocol operation. The results show that the capture effect of resource caused by streaming media is eased by adopting the CAC strategy; therefore, the access fairness is guaranteed. It is very significant to improve the performance of practical system applications.