Click and drag the type of call on the above to the type of voice port it applies to on the below.

Answer:

Explanation:

1) T1 or E1 with CAS or PRI: PBX to PBX
2) FXO: off-net
3) FXS: local
4) FXS or switch: on-net
5) E&M, FXO, FXS: PLAR