| 摘要 |
An apparatus and structure for transmitting and receiving an audio signal over a network ( 25 ). A dual mode telephone ( 1 ) is adapted to switch between a standard telephone mode and an Internet Protocol (IP) telephone mode. The standard telephone mode comprises a standard telephone ( 11 ) adapted to transmit and receive audio over a standard telephone network ( 37 ). The IP telephone mode comprises an IP telephone ( 15 ) adapted to convert an audio signal to an IP packet and transmit the IP packet over a communication link ( 14 ) to a network ( 25 ).
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