Black Box mm146 User Manual page 81

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Example 4 - Calls between mm146/156 and H.323
IP Address 192.168.1.1
Subnet Mask 255.255.255.0
Default Gateway 192.168.1.254
192.168.1.254
Hub / Switch
IP Address 192.168.1.2
Subnet Mask 255.255.255.0
Default Gateway 192.168.1.254
Notes: An external IP address is required for each videophone.
You may need to unblock ports 1719 - 1720, and 5000 - 5010 in the firewall.
equipment over the Internet.
Static NAT entry
Translate
66.77.88.99 to
192.168.1.1
Translate
66.77.88.100 to
192.168.1.2
Router
Firewall
66.77.88.99
66.77.88.10
Static NAT entry
Translate
99.88.77.66 to
192.168.2.1
Translate
99.88.77.67 to
192.168.2.2
Router
Internet
99.88.77.66
99.88.77.67
IP Address 192.168.2.1
Subnet Mask 255.255.255.0
Default Gateway 192.168.2.254
192.168.2.254
Hub / Switch
Firewall
IP Address 192.168.2.2
Subnet Mask 255.255.255.0
Default Gateway 192.168.2.254
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