I wouldn't say it facilitates access to a WAN, but what it does do is provide end to end security for information going between the client and the receiver across a WAN.
You can get remote access to your company's network by using something like VPN (Virtual Private Network). Which will give you remote access to business files so that you don't have to take them all...
The easiest sofeware to use is teamviewer, it is free and so simple. You download it on your computers, log in, and control either of the computers you downloaded it to.... I can even control my home...
RemoteAccess is the MS-DOS Bulletin Board System (BBS) software package written by Andrew Milner and published by his company Wantree Development in Australia