Patent ID: 6768731
Filing Date: 2004-07-27
Classification: H04L,H04M

Abstract:
A control method for an internet phone system, comprising:judging whether a key button signal is inputted; judging whether a ring signal is inputted, when the key button signal is not inputted as a result of judgment of whether the key button signal is inputted; processing the key button signal in accordance with H.323 and transmission control protocol/internet protocol TCP/IP), and for processing a medium access frame including a call control frame, when inputted as a result of judgment of whether the key button signal is inputted; judging whether the other party responds, when the processing of the key button signal is finished; processing a voice signal in a codec, processing it in accordance with real time protocol/user datagram protocol/internet protocol (RTP/UDP/IP), processing a medium access control frame including a voice frame, and communicating with the other party when the other party responds as a result of judging whether the other party responded; performing the processing of the voice signal in a codec, when the ring signal is inputted as a result of judgment of whether the ring signal was inputted, or returning to the judging of whether the key button signal is inputted when the ring signal is not inputted; and transmitting a busy signal and finishing the process, when the other party does not respond as a result of judgment of whether the other party responded.