Panasonic KX-NS1000 Installation Manual page 235

WAN
Internet
STUN STUN STUN
STUN STUN STUN
Server Server Server
ISP/ITSP ISP/ITSP ISP/ITSP
LAN
PC
V-SIPGW16 Card
Note
•
If an ISP/ITSP uses a device such as SBC (Session Border Controller), you may not have to enable
the NAT Traversal feature.
•
A STUN Server is supplied by an ISP/ITSP, and not included with the PBX.
SIP SIP SIP
Server Server Server
Router
(NAT enabled)
Switching
PBX with
Fixed IP Address Fixed IP Address Fixed IP Address
SIP SIP SIP
Server Server Server
ISP/ITSP ISP/ITSP ISP/ITSP
Hub
IP-PT
7.3.1 IP Telephony Service
Installation Manual 235