Can I bridge 2 DSL connections?

[Guest pisquee]

With a few companies in the UK now offering 'free' DSL with their products (Orange, Talk Talk, Sky) I was wondering, if i was to sign up to more than one of these, would it be possible to bridge the two DSL's into one high speed connection to share on the network.

We have a home office. The main office line is on talk talk, so we can get a DSL connection for free, and the mobiles are on Orange, a couple of which are over