LAN
WAN
Internet
STUN
STUN
STUN
STUN
Server
Server
SI
SIP
Server
Server
Fixed I
Fixed IP Address
Address
SI
SIP
Server
Server
STUN
STUN
Server
SIP
Server
Fixed IP Address
SIP
Server
PBX with
V-SIPGW Card
ISP/ITS
ISP/ITSP
ISP/ITS
ISP/ITSP
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
Summary of Contents for KX-NS500
Page 16: ...16 Installation Manual Table of Contents ...
Page 28: ...28 Installation Manual 1 4 Data Security ...
Page 58: ...58 Installation Manual 2 3 3 System Capacity ...
Page 78: ...78 Installation Manual 3 1 3 Using CTI Applications ...
Page 114: ...4 Hook the main unit on the screw heads 114 Installation Manual 4 2 10 Wall Mounting ...
Page 286: ...286 Installation Manual 6 1 Methods of Stacking Expansion Units ...
Page 300: ...300 Installation Manual 7 1 6 Troubleshooting by Error Log ...
Page 332: ...332 Installation Manual 8 6 Port Security ...
Page 337: ...Installation Manual 337 Notes ...