| 摘要 |
A method for surveying and changing telephony response systems which include s using a supplementary services provider adapted to handle a very much smalle r number of calls than a main telephony network and which can therefore be readily modified from time to time in order to firstly improve any market survey approach or questions but as well, test suggested modifications in a response method or approach. Further there is disclosed a prompt call back system to assist in direct user feedback.
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