Which type of voice port will terminate a loop start or ground start line from the PSTN or a PBX? seenagape 10 years ago Which type of voice port will terminate a loop start or ground start line from the PSTN or a PBX? A. L-FXO B. FXS/FXO C. PRI T1/E1 D. E&M E. BRI F. CAS T1/E1 ← Previous question Next question →