The selective call acceptance allows controlling incoming calls by making a list of telephone numbers which you are ready to accept. But incoming calls from subscribers that are not listed are directed to the answering machine by which the caller is informed that you do not accept calls at the moment.
Dean Connect Delivers High quality SIP termination, number porting, Dutch area codes, SIP trunks, T38 FAX support and hosted PBX in retail and white-label model.