AudioCodes MediaPack MP-201B, User Manual, Page: 193 / 270

Version 3.0.1 193 July 2010
MP-20x Telephone Adapter 13. Security
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To define NAT:
1. From the sidebar menu, click the Security menu, and in the screen 'Security', click the
NAT tab; the screen 'NAT' opens.
Figure 13-22: NAT Screen
2. Before configuring NAT/NAPT rules, you must first enter the additional public IP
addresses obtained from your ISP as your NAT IP addresses, in the 'NAT IP
Addresses Pool' section. The primary IP address used by the WAN device for dynamic
NAPT should not be added to this table.
a. To add a NAT IP address, click the New IP Address link; the 'Edit Item' screen
appears.
Figure 13-23: Adding a NAT IP Address
b. From the 'Network Object Type' drop-down list, select between IP address,
subnet or range, and then enter the information respectively, and click
OK to
save the settings.