Draytek Vigor2930 Series User Manual page 178

For Block Unknown Domain – this function can block incoming calls from unrecognized
domain that is not specified in SIP accounts. Such controlling also can be done based on
preconfigured schedules.
For Block IP Address – this function can block incoming calls coming from IP address.
Such controlling also can be done based on preconfigured schedules.
R e g i o n a l
R e g i o n a l
This page allows you to process incoming or outgoing phone calls by regional. Default
values (common used in most areas) will be shown on this web page. You can change the
number based on the region that the router is placed.
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Vigor2930 Series User's Guide