2025 3CX Intermediate Certification Guide |
Expert-Verified Questions
User A from group A has "Show presence to group members" and "Can See group members" checked,
User B from group B has the same. Can they see each others presences? - ✔✔No
Certificates in PFX format are single files containing the certificate and the private key. - ✔✔True
Is there a way to add a company phonebook contact from the 3CX client - ✔✔Yes
You are using "Prioritized Hunt" as your "Ring Strategy" in Ring Groups. Three extensions are added as
members of this Ring Group (in order A, B, and C). Let's assume that extension B is engaged in a call.
Extension A and C are available. A new call comes into this Ring Group. If extension A does not answer
the call after the configured "Ring Time" the call will be forwarded to the "Destination if no answer" -
✔✔False
The way the Digital Receptionist destination is chosen, is controlled by the DTMF tone it receives. -
✔✔True
In general, calls from a Queue to an IP phone will never leave a missed call notification. - ✔✔True
On an existing 3CX installation, if you want to change the public FQDN but keep the same license key,
you must take a backup with all options except "Include License Key & FQDN," release the FQDN from
the license key, reinstall 3CX, restore the backup and enter the new FQDN with the old license key. -
✔✔True
When custom prompts are used during the announcement of the Digital Receptionist, the prompt must
be in the format: MP3, encoded in PCM, 8 kHz, 16 bit, mono. - ✔✔False
Can a range of dates be defined as a Holiday? - ✔✔Yes
, All extensions are added to the "DEFAULT" group (which can be renamed) upon creation. - ✔✔True
STUN is a method enabling deskphones to discover their public IP address and port mapping of their
internal SIP port. - ✔✔True
In order to upgrade from V14 latest Service Pack to V15, the correct procedure is: Full Backup of V14 ->
Uninstall V14 -> Install V15 -> during the installation restore V14 backup -> finish the V15 installation. -
✔✔True
Extension 100 is an agent of the two Queues. 3CX is licensed with a "Standard Edition" license. Can
extension 100, by any means, only log out from Queue A as an active agent but not from Queue B? -
✔✔No
The default backup folder set during the installation in Windows is
C:\ProgramData\3CX\Instance1\Data\Backups\. If you uninstall 3CX, is this folder deleted without
warning along with all its contents? - ✔✔Yes
An extension is part of a ring group. This extension has switched its profile to DnD and has been
configured to redirect all calls to the extension, to voice mail. Will all calls to the ring group also be
redirected to the voicemail of the user? - ✔✔False (No)
If you choose to use your own public FQDN during the 3CX installation, can you use a wildcard
certificate, if it covers the FQDN you want to use? - ✔✔Yes
As the 3CX SBC can help overcome NAT issues no NAT is required at all, neither at the remote location
where the SBC is located nor on the firewall in front of 3CX. - ✔✔True
Chat messages across the users of a group can be blocked by unticking the right "Can Chat with group
members." - ✔✔False
Voice mailbox greetings can be different based on the user's profile status. - ✔✔True
Expert-Verified Questions
User A from group A has "Show presence to group members" and "Can See group members" checked,
User B from group B has the same. Can they see each others presences? - ✔✔No
Certificates in PFX format are single files containing the certificate and the private key. - ✔✔True
Is there a way to add a company phonebook contact from the 3CX client - ✔✔Yes
You are using "Prioritized Hunt" as your "Ring Strategy" in Ring Groups. Three extensions are added as
members of this Ring Group (in order A, B, and C). Let's assume that extension B is engaged in a call.
Extension A and C are available. A new call comes into this Ring Group. If extension A does not answer
the call after the configured "Ring Time" the call will be forwarded to the "Destination if no answer" -
✔✔False
The way the Digital Receptionist destination is chosen, is controlled by the DTMF tone it receives. -
✔✔True
In general, calls from a Queue to an IP phone will never leave a missed call notification. - ✔✔True
On an existing 3CX installation, if you want to change the public FQDN but keep the same license key,
you must take a backup with all options except "Include License Key & FQDN," release the FQDN from
the license key, reinstall 3CX, restore the backup and enter the new FQDN with the old license key. -
✔✔True
When custom prompts are used during the announcement of the Digital Receptionist, the prompt must
be in the format: MP3, encoded in PCM, 8 kHz, 16 bit, mono. - ✔✔False
Can a range of dates be defined as a Holiday? - ✔✔Yes
, All extensions are added to the "DEFAULT" group (which can be renamed) upon creation. - ✔✔True
STUN is a method enabling deskphones to discover their public IP address and port mapping of their
internal SIP port. - ✔✔True
In order to upgrade from V14 latest Service Pack to V15, the correct procedure is: Full Backup of V14 ->
Uninstall V14 -> Install V15 -> during the installation restore V14 backup -> finish the V15 installation. -
✔✔True
Extension 100 is an agent of the two Queues. 3CX is licensed with a "Standard Edition" license. Can
extension 100, by any means, only log out from Queue A as an active agent but not from Queue B? -
✔✔No
The default backup folder set during the installation in Windows is
C:\ProgramData\3CX\Instance1\Data\Backups\. If you uninstall 3CX, is this folder deleted without
warning along with all its contents? - ✔✔Yes
An extension is part of a ring group. This extension has switched its profile to DnD and has been
configured to redirect all calls to the extension, to voice mail. Will all calls to the ring group also be
redirected to the voicemail of the user? - ✔✔False (No)
If you choose to use your own public FQDN during the 3CX installation, can you use a wildcard
certificate, if it covers the FQDN you want to use? - ✔✔Yes
As the 3CX SBC can help overcome NAT issues no NAT is required at all, neither at the remote location
where the SBC is located nor on the firewall in front of 3CX. - ✔✔True
Chat messages across the users of a group can be blocked by unticking the right "Can Chat with group
members." - ✔✔False
Voice mailbox greetings can be different based on the user's profile status. - ✔✔True
