2010-04-09
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9. Applications
Applications of IP PBX under Firewall with DMZ
This will protect corporate network security while allowing IPG-80XG to work as
IP-PBX
for VoIP
applications.
When IPG-80XG
IP-PBX
is operating under the corporate firewall, remember to
enable and open the following service port numbers for VoIP applications.
¾
TCP
Port
：
22, 80, 1723 for Telnet, Http, and PPTP.
¾
UDP
Port
：
5060, 1194, 10000-20000 for SIP, OPENVPN, and Voice RTP Range.
PSTN
INTERNET
Corporate Ethernet
Router Firewall
DMZ
FXO
WAN
IP Phones
