3CX Academy Advanced Certification | 62 Questions with 100% Correct Answers | Verified | Latest Update
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3CX Academy Advanced Certification | 62 Questions with 100% Correct Answers | Verified | Latest Update
3CX Academy Advanced Certification
In the criteria of the "Outbound Rules", "Calls from Extension(s)" having comma separated
values will allow multiple extension ranges to be defined - ✔✔True
The Virtual Extension of the slave must match the master side virtual extension number -
✔✔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. - ✔✔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. - ✔✔False
Wireshark can - without any additional Plugins Decode all Codecs including G711A, G711U,
GSM, G729, G726 - ✔✔False
STUN extensions can be configured to connect to the tunnel port of 3CX instead of the SIP port
for more security. - ✔✔False
The log files of 3CX are never cleaned even when you restart the 3CX Services - ✔✔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. - ✔✔False
Remote extensions may be provisioned using the HTTP or HTTPS URLs - ✔✔False
The default Voicemail PIN of an extension consist of 4 random alphanumerical characters. -
✔✔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. - ✔✔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. - ✔✔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 then apply the Filter
sip.Cseq.Method==REGISTER in order to see if registrations are reaching 3CX - ✔✔True
Your 3CX has only one SIP Trunk and receives a call from number 422033272020 and you want
it to be presented on the extension display as +44272020. You can do this with a "Inbound CID
jordancarter 7 months ago
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