Vigor2820 Series User’s Guide
191
You can just set the settings wrapped inside the red rectangles to fit the request of NAT
usage.
4
4
.
.
5
5
C
C
a
a
l
l
l
l
i
i
n
n
g
g
S
S
c
c
e
e
n
n
a
a
r
r
i
i
o
o
f
f
o
o
r
r
V
V
o
o
I
I
P
P
f
f
u
u
n
n
c
c
t
t
i
i
o
o
n
n
4
4
.
.
5
5
.
.
1
1
C
C
a
a
l
l
l
l
i
i
n
n
g
g
v
v
i
i
a
a
S
S
I
I
P
P
S
S
e
e
v
v
e
e
r
r
Example 1: Both John and David have SIP Addresses from different service providers.
John’s SIP URL: 1234@draytel.org, David’s SIP URL: 4321@iptel.org