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.
Advanced Voice Order Processing System (AVOP) is a wholly owned subsidiary of Nettel Holdings, Inc. By joining AVOP Direct, carriers and service providers will be able to avoid the time and expense of negotiating and managing one-time agreements with othe
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