3CX Academy, Advanced Certification 100% SOLUTION 2023//2024

3CX Academy, Advanced Certification 100% SOLUTION 2023//2024 In the criteria of the "Outbound Rules", "Calls from Extension(s)" having comma separated values will allow multiple extension ranges to be defined - ANSWER True 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 1. If you have a "Inbound CID Reformatting" rule on the Trunk with "Source Pattern" 813(...)(.*) and "Replace Pattern" 12, the extension that receives the call will see "" as the caller ID on its display. - ANSWER 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. - ANSWER True