“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.
Cybertell VOIP solutions provider.
Our primary business includes A-Z termination services,
implementing of PSTN & multiplatform networks,
retail & reseller solutions for VOIP services.