Draytek VigorIPPBX 3510 - PBX System

VigorIPPBX 3510 Series User’s Guide
203
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.
5
5
.
.
1
1
1
1
.
.
4
4
P
P
B
B
X
X
S
S
y
y
s
s
t
t
e
e
m
m
This page allows you to set relational (advanced) settings for IP PBX device.