3CX Academy, Advanced Certification Exam 60 Questions and Answers (2024 / 2025) (Verified Answers)

1. In the criteria of the "Outbound Rules", "Calls from Extension(s)" having comma separated values will allow multiple extension ranges to be defined ANS - True 2. The Virtual Extension of the slave must match the master side virtual extension number ANS True 3. For extensions that are registered over multiple site-to-site VPNs, by default 3CX delivers the audio between phones if they are on different subnets. ANS False 4. On outbound calls to external numbers, 3CX will process "Outbound Rules" in a "Best Matching" way, depending on how many of the criteria match. ANS False 5. Wireshark can - without any additional Plugins Decode all Codecs including G711A, G711U, GSM, G729, G726 ANS False 6. STUN extensions can be configured to connect to the tunnel port of 3CX instead of the SIP port for more security. ANS False The log files of 3CX are never cleaned even when you restart the 3CX Services ANS False