20 Things You Should Know About dsl connections
http://oesconsultancy.co.uk/A-Range-Of-Opinions-About-Telecommunications-Circuits-That-You-May-Not-Have-Considered.html
Wireless isnt an alternative to a fixed/leased line however, it is something you can use in conjunction with a leased line. We offer a choice of monitoring options, from passive, with alerts and triggers, to active