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.
Gnex Technology Co.,LTD are the company with many years experience on voip hard developing & producing.Our products line is mainly from VOIP Phone,Voip Gateway,VOIP USB Phone,PABX,IPPBX.GSM Gateway,GSM E1 Gateway,GSM VOIP Gateway,E1 Media Gateway and ect.
Read more