TestKing has its headquarters in New York and branch offices in Delaware,DelhiandDakar.
Headquarters and theDelawarebranch office has IP Phones. The other two offices have analog phones that are connected to FXS port on the router in thesite?sadministration building. Users at these offices complain that they are unable to call out in the PSTN or to each other.
You receive the following output:



What is the cause of this problem?

A.
Thecptoneis incorrect

B.
The dial-type is incorrect

C.
The signal type is incorrect

D.
Theplayout-delay is incorrect

E.
The disconnect-ackis incorrect