[Patent application number] 20120269184 [Published] 10-25-2012 [Description] 
COMMUNICATION DEVICE AND METHOD FOR CONTROLLING COMMUNICATION DEVICE - A communication apparatus is provided which includes a recognition unit configured to recognize a service of communication using a packet to which a first priority higher than a second priority is set, provided by an external apparatus; a generation unit configured to generate a packet to be transmitted to the external apparatus and to which the first priority is set, in a case that the service is recognized by the recognition unit, and a transmission unit configured to transmit the packet generated by the generation unit for establishing a connection with the external apparatus, wherein the generation unit generates a packet to be transmitted to the external apparatus and to which the second priority is set, in a case that the recognition unit does not recognize a service of communication using a packet to which the first priority is set.