“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.
Fanvil Technology Co., Ltd. is a professional developer and manufacturer of VoIP products like VoIP Phone,IP gateway, IP PBX,
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