S2400 User ManualBlacklistBlacklist is used to block an incoming/outgoing call. If the number ofincoming/outgoing call is registered in the number blacklist, the caller will hear thefollowing prompt: ―The number you have dialed is not in service. Please check thenumber and try again‖. The system will then disconnect the call.Go to PBX→Advanced Settings→Blacklistto add numbers to the blacklist.You can choose to block the number for inbound, outbound or both. If the type is ―inbound‖, then this number can’t be called. If the type is ―outbound‖, then the extensions in S2400 can’t call this number.Figure 8-9 Number Blacklist
