A company  PBX  via a  T1  connection line to the telephone network operators, due to expansion of company size, needs to be able to meet the concurrent  50  -way voice calls, you need to re-apply for  ____  r

A company  PBX  via a  T1  connection line to the telephone network operators, due to expansion of company size, needs to be able to meet the concurrent  50  -way voice calls, you need to re-apply for  ____  root  T1  line  ?  ( Fill in Arabic numerals )

Show Answer Hide Answer