“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.
B2VOIP.de is a secure ISP-PBX VoIP solution to business level in ISDN quality that can be integrated easily into any voice infrastructure and is provided here on a stable high-capacity communications platform.