Have you ever met this problem when you're using MSN Messenger: Cannot voice chat or video chat with your friend, can't send a file to your friend when you or your friend are behind NATs. If you find this is very annoying, then ENat for MSN Messenger maybe a solution for you. A NAT device usually sits between private network and public network. If your PC has a private IP address, then it must be behind a NAT device. Under this situation, MSN Messenger or Windows Messenger usually has trouble when using voice chat or video chat features except your NAT device provider has handled it. ENat for MSN Messenger makes it possible to talk with anyone using MSN Messenger voice chat or video chat even when behind NATs where attempts to talk using voice & video chat usually fail. It also enable you to send a file or photo to your friend when you are behind a NAT. The program will benefit notebook users much since they often bring notebook from here to there. Since not all of NAT devices can support MSN Messenger ap