“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.
we are selling GOIP devices in Pakistan at very Attractive Price.Availability from 1 Port to 16 ports and SMB32.
contact us on email: info.brands@yahoo.com