US Patent 8213337 IP multimedia subsystem for a multimode wireless device

System and method for managing connections in a mobile device. A first application may be executing on the mobile device. A first application request, including first quality of service (QOS) parameters and first connection information for the first application, may be received. The first QOS parameters and the first connection information may be stored in a routing table. A first connection for the first application may be established based on the first QOS parameters and the first connection information. A second application may be executing on the mobile device. A second application request, including second QOS parameters and second connection information for the second application, may be received. The second QOS parameters and the second connection information may be stored in the routing table. A second connection for the second application may be established based on the second QOS parameters and the second connection information.