Sorry, I forget little bit info.
1. If we change to PRI to CAT telecom we will get a new phone number and Fax number (TT&T is current Tel. line).
2. If we used TT&T customer line we have to pay compensate 36,000 to Cs, but if we move current line we also pay 37,500 for installation. (no different).
3. But Cs loxinfo good service better TT&T from my experience.
Thank you,