The invention discloses a method to lower the influence of an echo on subjective
sensation in VoIP communication, and solves the problem that the echo reflected back by a far-end Acom causes a passive influence on the hearing sense of a near-
end user. The method includes the steps that device detection is
cut in to detect the actual attenuation of the echo and the circulating time
delay of the echo; when the
cut-in device of the local end finds that the echo is higher, the
cut-in device of the local end adjusts the own parameter, and informs the cut-in device of the opposite end through a band inside or a band outside communication way to adjust the parameter in order to lower the circulating time
delay of the echo, and reduces the influence caused by the echo reflected back from the cut-in device of the opposite end on the subjective
sensation of the local
end user. The invention adopts the measures of adjusting the packaging interval of the medium packages and the size of a
Jitter Buffer, switching a phonetic code-decode
algorithm, and closing the
silence detection, etc. to improve the passive influence of the echo on the user.