Iv-1-4-3 Call Barring - Draytek Vigor2860 User Manual

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Call barring is used to block phone calls coming from the one that is not welcomed.
Additionally, you can set advanced settings for call barring such as Block Anonymous, Block
Unknown Domain or Block IP Address.
For Block Anonymous – this function can block the incoming calls without caller ID on the
interface (Phone port) specified in the following window. Such control also can be done based
on preconfigured schedules.
For Block Unknown Domain – this function can block incoming calls (through Phone port) from
unrecognized domain that is not specified in SIP accounts. Such control also can be done based
on preconfigured schedules.
For Block IP Address – this function can block incoming calls (through Phone port) coming from
IP address. Such control also can be done based on preconfigured schedules.
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Vigor2860 Series User's Guide