6
Caution
: Each of the Phone ports can be connected to an analog phone only. Do not
connect the phone ports to the telephone wall jack. Such connection might damage your
router.
2
2
.
.
2
2
I
I
S
S
D
D
N
N
P
P
h
h
o
o
n
n
e
e
A
A
d
d
a
a
p
p
t
t
e
e
r
r
I
I
n
n
s
s
t
t
a
a
l
l
l
l
a
a
t
t
i
i
o
o
n
n
ISDN1/2 port is configurable as NT or TE mode. When the user configures ISDN port as
NT mode in
IP PBX>>PBX System>>Phone Settings
, the
orange
LED will light on to
indicate
ISDN-NT
is selected. And by using ISDN phone adapters (coming from the
router package), the user can connect several phones to the router for communication.
Refer to the following figure for reference.
