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Exam (elaborations)

2025 3CX Academy Advanced Certification.

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2025 3CX Academy Advanced Certification with questions and verified answers

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, In the criteria of the "Outbound Rules", "Calls from Extension(s)" having comma
separated values will allow multiple extension ranges to be defined - CORRECT
ANSWERS -True

The Virtual Extension of the slave must match the master side virtual extension number
- CORRECT ANSWERS -True

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. - CORRECT
ANSWERS -False

On outbound calls to external numbers, 3CX will process "Outbound Rules" in a "Best
Matching" way, depending on how many of the criteria match. - CORRECT ANSWERS
-False

Wireshark can - without any additional Plugins Decode all Codecs including G711A,
G711U, GSM, G729, G726 - CORRECT ANSWERS -False

STUN extensions can be configured to connect to the tunnel port of 3CX instead of the
SIP port for more security. - CORRECT ANSWERS -False

The log files of 3CX are never cleaned even when you restart the 3CX Services -
CORRECT ANSWERS -False

Once Secure SIP has been configured in 3CX, Secure SIP certificates will need to be
deployed manually in phones and softphones OS so that they can communicate. -
CORRECT ANSWERS -False

Remote extensions may be provisioned using the HTTP or HTTPS URLs - CORRECT
ANSWERS -False

The default Voicemail PIN of an extension consist of 4 random alphanumerical
characters. - CORRECT ANSWERS -False

Your 3CX has only one SIP Trunk and receives a call from number 8135791691. If you
have a "Inbound CID Reformatting" rule on the Trunk with "Source Pattern" 813(...)(.*)
and "Replace Pattern" \1\2, the extension that receives the call will see "5791691" as
the caller ID on its display. - CORRECT ANSWERS -True

When 3CX has been installed without a FQDN from 3CX and in split DNS mode, the
DNS server must not be installed on the same machine as the phone system. -
CORRECT ANSWERS -True

Your Local IP Phone loses the registration to 3CX and you want do troubleshoot the
issue. You should start a Wireshark Capture on the 3CX Server, reboot the phone, and

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