If you can connect over your LAN from another PC then that certainly means
the port forwarding scheme in your DSL modem/router is not correct.
Unfortunetly I have no experience with Westell devices. I suggest going to
the Westell forum on the DSLReports site and see if you can get help.
http://www.dslreports.com/forum/westell
Good luck...
--
Al Jarvi (MS-MVP Windows – Desktop User Experience)
This posting is provided "AS IS" with no warranties, and confers no
rights...
The MS-MVP Program -
http://mvp.support.microsoft.com