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.
H.K.Houyuan Technology Co., Limited
voip, ip pbx,voip pbx,China voip manufacturer
H.K.Houyuan Technology Co., Limited was founded in 2009 with headquarter located in Shenzhen and branch office in HK ,suzhou. There are several departments such as VolP,RFID, consumer electronics , SMT produ
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