You are CCNA VOICE associate in Certkey.com. What is the purpose of access code 9 based on the following information?
A.
The access code 9 connects a caller to the operator when they press 9 on their phone keypad.
B.
This is a level 1 security
C.
The access code 9 is the access code that internal users must use to make PSTN calls.
D.
he access code 9 is required when interfacing with a traditional PBX system
I agree with the answer.