| 摘要 |
Described is a communication device which includes a receiver receiving a multicast communication including audio data and identification data identifying an initiator of the multicast communication, a memory, an audio output, a processor processing the multicast communication, sending the processed audio data to the audio output to be played to a user, sending the identification data to the memory to be stored and initiating a unicast communication with the initiator based on the identification data and a transmitter transmitting the unicast communication to the initiator.
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