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3-11
PCS-1/1P
192.168.10.1 210.10.10.1 210.20.20.1
Teleconference
terminal A
192.168.10.10
Teleconference
terminal B
210.20.20.2
Router Internet Router
3-6. Connection beyond NAT
Example of system
A call is submitted from TV conference terminal A (NAT environment) to TV conference
terminal B (global IP). (It cannot be usually submitted from TV conference terminal B to
TV conference terminal A.)
1. The LAN setup menu of teleconference terminal B is set as described below.
DHCP Mode: OFF
Host Name: Enter any name.
IP Address: Local IP address (210.20.20.2)
Network Mask: Depends on the network. 255.255.255.248 for fixed IP8.
Gateway Address: 210.20.20.1
DNS Address: Blank
Gatekeeper Mode: OFF
Gatekeeper Address: Blank
User Alias: Blank
User Number: Blank
SNMP Mode: OFF
Trap Destination: Blank
Community: public
Description: Videoconference Device
Location: Blank
Contact: Blank
NAT Mode: OFF
NAT Address: Blank
Packet Resend Request: ON
Adaptive Rate Control: ON
LAN Mode: Auto Nagotiation (This mode is changed to a proper mode when mismatching
occurs in the mode. Refer to “4-2. PCS-1/1P and Hub setting”.)
Port Number Used: Default (Set to “Custom” when a port number is specified by the network
administrator.)
TCP Port Number: 2253 (Enter the port number specified by the network administrator when
the port number used is set to “Custom”.)
UDP Port Number: 49152 (Enter the port number specified by the network administrator when
the port number used is set to “Custom”.)
TOS: OFF
PPPoE: OFF
PPPoE User Name: Blank
PPPoE Password: Blank
Fixed IP for PPPoE: OFF