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????2 ???????DTMF??MF???????????????????e??????????IVR??
????3 ????????????????????
????4 ??????Э??H.323 V2?е?“???????????”
????5 ????????????????????????????????
????6 ?????????y?????????????????????????????????????
????7 ????????????????????????????????????
????8 ???????iNOW??2.0?汾???????????????????????iNOW???????????????????? iNOW??????????????
????9 ?????????????У?????????????????????iNOW??????????????
????10 ???????????????????
????11 ?????????·????????????·????????
????12 ????24С????????????????????????????????????
????13 ???????????????????????CDR??????????????H.323+1000 Q.931
????14 ???????T.38????Э?顣??????TCP??UDP??IP??V.21??V.27 V.17
????15 ?й????????У???????????????????
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????——.Gateway??Gateway???????
????——.Gatekeeper??Gatekeeper???????
????——.Gatekeeper????????????????
????——.Phone??Phone????????
????——.FAX??FAX????????
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