In an information processing apparatus such as digital cellular phone with a camera, a frame extracting portion extracts audio data in frames in accordance with a codec scheme. A packet creating portion creates an RTP packets based on the audio data in frames. A post-packetizing buffer holds the created RTP packets. A packet transmitting portion stores the RTP packets in a baseband packet and transmits the baseband packet to a headset. A streaming transfer managing portion determines whether any RTP packet is held in the post-packetizing buffer or not. A transmission stop controller controls to temporarily stop the transmission of the RTP packets in the packet transmitting portion.