The resultsgenerated by the program prove that the implementation of the retransmission of200ok response and ACK for it satisfies the retransmission mechanism stipulated bySIP and also validates the correctness of the method and the program.

• 并通过实际的程序运行,证明了所提出的200ok应答信号及其ACK的重传机制符合SIP协议的规定,从而验证了程序和方法的正确性。