the private branch exchange of the fairy hill climbing method

摘要

this invention is a private branch exchange of the fairy mountain on the way, the subscriber's response as the negative perception from a point of time in the mountain, suitable for.;the old exchange the user's response to the national plans and has nothing to do with the cost of the time, the call is not coming from the state of charge is not the problem, the invention is a voice of the user in the detection of the response message branch (11) in the particles, have the additional burden to reduce unnecessary cost and the reliability of the switch and the cost of the validity period can be done.