3CX Basic Question and answers already passed 2025/2026

3CX Basic Question and answers
already passed 2025/2026
An IP phone on network A (for example, 192.168.0.0/24) is started and made
known for presence via multicast. Will 3CX display this device on the
PHONES page of the 3CX Management Console if it is on Network B (for
example, 192.168.1.0/24)? - correct answers NO


The installer configures the operating system time zone according to what you
selected during the Linux and Windows wizard. - correct answers T


The 3CX Client can be installed on computers running Windows, MacOS,
Android and iOS operating systems - correct answers T


You must set up your own PUSH account to use the 3CX Client on Android. -
correct answers NO


A DIGITAL RECEPTIONIST can be configured to route calls based on caller
voice input. - correct answers F


Digital Receptionists have the ability to smartly dial extensions through the
CALL BY NAME functionality, where the first 3 letters of the last name must
be entered on the phones keyboard - correct answers T


All Emergency Numbers must be configured in the 3CX Management Console
- correct answers T


A supported IP phone can be configured manually by completing each
configuration on the web interface of the device, one by one. Is the device still

,covered by 3CX Support when problems occur with manual configuration? -
correct answers NO


When adding VoIP providers, you should ensure that firewall verification has
run before configuration, without any reported errors - correct answers T


SIP ALG must be disabled on your firewall as it UNCONTROLLABLY alters
the content within packets that are sent/received - correct answers T


A single digital receptionist can handle multiple calls at the same time - correct
answers T


Using VoIP providers only requires that the forwarded/NAT ports on your
firewall be SIP port (default 5060 UDP/TCP) and audio ports (default 9000-
10999 UDP). - correct answers T


Can the 3CX control unit be installed, activated and operated without internet
access? - correct answers NO


The default length of the Voicemail PIN is 3 digits - correct answers F


Take a look at the edit comparison page
(https://www.3cx.com/ordering/pricing/) and answer the following question:
You want to test how two 3CX PBX installations can be joined. One license is
a 3CX FREE EDITION and the other a 3CX ENTERPRISE EDITION. Can
these editions be connected via a Bridge? - correct answers NO


While the caller is connected to a Digital Receptionist he can dial an external
number and connect directly to this number - correct answers F

, 3CX can update the firmware of supported IP phones and LEGACY - correct
answers F


Can 3CX be installed on Linux Debian 7 using KVM as a Hypervisor platform?
- correct answers NO


The 3CX Web Client cannot remotely control 3CX Clients - correct answers F


The Windows 3CX App can also be provisioned using the QR code. - correct
answers T


Provisioning is a term used, among other things, when IP phones upload a
predefined configuration file - correct answers T


3CX can send a notification to the administrator when the Voicemail disk
space quota is reached. - correct answers T


When using the 3CX Web Client, a user can remotely control both Supported
IP Phones and 3CX Applications - correct answers T


Before you can run the 3CX Web Configuration Wizard remotely, you must
have tcp HTTP port 5015 open on the Firewall. - correct answers T


The QR code can only be found in the 3CX Web Client and in the Welcome
Email - correct answers F


The 3CX Application for Windows is compatible with Windows XP - correct
answers F