Panasonic VL-VN1800 Operating Manual page 15

Support up to 2000 SIP devices
I
N
1 2
R1 R2 R3
G
K
L
<Gate>
"SIP devices" include lobby stations, room monitors, door stations, SIP phones, and smartphones.
*1
A router connected to the internet with a public IP address is required. (A DDNS server may be required depending on the
*2
contract of the Internet Service Provider.) Router configuration is required in order for the [Video Intercom System] app to
function. For more information, consult your dealer.
Smartphones must be connected to the internet in order for the [Video Intercom System] app to function. The [Video Intercom
*3
System] app will not function when the smartphone is connected to the same local network (local network of the residence) as
the control box.
Maximum number of devices
SIP devices
Item
A
B
C
D
E
on a system with a Control Box (example 2)
*1
C
E
J
A
M
H
D
<Reception / Guard>
Lobby station
Room monitor
*2
Door station
*2
SIP phone
Smartphone
*3
1 2
R1 R2 R3
Router
F
VL-VN1800 Internet Internet
Control box
Maximum number of devices
100
*1
5 per room
*3
1 per room
100
*4
4 per residence (room number)
1.1.5 Before Operating the Telephones
E *3
Mobile
network
Smartphone
Public
IP address *2
Push
server
2000
*5*6*7*8*9
Operating Manual
E
*3
15