There are some compelling advantages and disadvantages to using a T1 line with your outside network. For example, if you are planning to connect your business with an outside network, having a dedicated technology like T1 can be a big plus. However, if you are not aware of some of the potential downfalls of T1 technology, you could end up paying more than you bargained for.

The Advantages and Disadvantages of T1 to an Outside Network - 78