Panasonic KX-NS500 - Page 324

LAN
WAN
Internet
STUN
STUN
STUN
STUN
Server
Server
SI
SI
P
Server
Server
Fixed I
Fixed I
P Address
Address
SI
SI
P
Server
Server
STUN
STUN
Server
SIP
Server
Fixed IP Address
SIP
Server
PBX with
V-SIPGW Card
ISP/ITS
ISP/ITS
P
ISP/ITS
ISP/ITS
P
ISP/ITSP
ISP/ITSP
Router
(NAT enabled)
PC
IP-PT
Switching
Hub
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.
324 Installation Manual
8.4.1 IP Telephony Service