bobwshermanvrf's Articles en-us T1 Line Prices and the Advantages of a T1 Line to Your Organization T1 line costs depend, for the most part, on the length of the dedicated line connecting your company and your telephone company's local office. You can visualize a T1 line as a regular 4 wire phone line. Since your T1 line is dedicated to your use, you... 16th February 2011