3CX ACADEMY BUNDLED CERTIFICATIONS
BASIC INTERMEDIATE ADVANCED TEST
BANK 2026 QUESTIONS AND SOLUTIONS
GRADED A+
⩥ The Virtual Extension of the slave must match the master side virtual
extension number.
Answer: 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..
Answer: 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..
Answer: False
⩥ Wireshark can - without any additional Plugins Decode all Codecs
including G711A, G711U, GSM, G729, G726.
Answer: False
, ⩥ STUN extensions can be configured to connect to the tunnel port of
3CX instead of the SIP port for more security..
Answer: False
⩥ The log files of 3CX are never cleaned even when you restart the 3CX
Services.
Answer: 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..
Answer: False
⩥ Remote extensions may be provisioned using the HTTP or HTTPS
URLs.
Answer: False
⩥ The default Voicemail PIN of an extension consist of 4 random
alphanumerical characters..
Answer: 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
BASIC INTERMEDIATE ADVANCED TEST
BANK 2026 QUESTIONS AND SOLUTIONS
GRADED A+
⩥ The Virtual Extension of the slave must match the master side virtual
extension number.
Answer: 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..
Answer: 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..
Answer: False
⩥ Wireshark can - without any additional Plugins Decode all Codecs
including G711A, G711U, GSM, G729, G726.
Answer: False
, ⩥ STUN extensions can be configured to connect to the tunnel port of
3CX instead of the SIP port for more security..
Answer: False
⩥ The log files of 3CX are never cleaned even when you restart the 3CX
Services.
Answer: 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..
Answer: False
⩥ Remote extensions may be provisioned using the HTTP or HTTPS
URLs.
Answer: False
⩥ The default Voicemail PIN of an extension consist of 4 random
alphanumerical characters..
Answer: 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
