Shenzhen Gateway Technology Ltd West 3/floor,Vision Business Park, Keji South Rd, Hi-tech Industrial Park Shenzhen City Guangdong Province ,518057 China
“Call filter” allows blocking/unblocking the incoming calls as easy as to make filtration, it also journalizes all rejected calls. It is very convenient if you do not want to receive a call from some subscribers, when they will call you, “Call filter” will do so that your line is engaged.