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.
VASC Software and Media Company Ho Chi Minh Branch
VNPT Vietnam - Biggest Vietnam Government Telecomm Company - VASC is a one of main branches of VNPT.
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