The carrier shall provide Centrex line (analog line with PBX features) 6. The carrier shall provide ground start trunks. 7. The carrier must provide extended local calling area to include. a. Trenton, NJ b. Lawrenceville, NJ c. Hamilton, NJ d. Ewing, NJ e. Bordentown, NJ f. Morrisville, PA g. Yardley, PA 8. The carrier shall provide contiguous blocks of phone numbers. 9. The carrier shall provide foreign exchange circuits. 10. The carrier shall provide switch numbers with Centrex or Centrex-like features. 11. The carrier is expected to port or use all existing numbers and all numbers are City of Trenton exchanges. 12. The carrier is expected to provide Centrex or Centrex-like service to rotary and tone dialing equipment. 13. The carrier is expected to be able to provide T1 lines. 14. The carrier shall provide paper billing using USPS.