“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.
Callvox
Major trends are changing the global telecommunications landscape. Voice traffic is rapidly migrating from large integrated international exchange carriers to more narrowly focused regional providers. This change is driving increasing demand for specializ
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