3CX Basic Certification Practice
Questions
Question: True or False: Configuring a remote extension in STUN mode requires you to only port
forward/NAT the SIP Port (Default 5060 UDP/TCP) on your Firewall - Answer: False
Question: True or False: You can upload MP3 files Digital Receptionists to be used as custom prompts -
Answer: False
Question: True or False: When remote, the 3CX App only needs to have Tunnel (default UDP/TCP:5090)
and HTTPS (default TCP:5001) ports forwarded/NATed on your Firewall to provision and operate
correctly. - Answer: True
Question: True or False: The default Voicemail PIN length is 4 digits - Answer: True
Question: Can you provision and use remote extensions when using a "Standard Edition" license key? -
Answer: No
Question: True or False: When the Digital Receptionist timeout is reached, the prompt is always
repeated. - Answer: False
Questions
Question: True or False: Configuring a remote extension in STUN mode requires you to only port
forward/NAT the SIP Port (Default 5060 UDP/TCP) on your Firewall - Answer: False
Question: True or False: You can upload MP3 files Digital Receptionists to be used as custom prompts -
Answer: False
Question: True or False: When remote, the 3CX App only needs to have Tunnel (default UDP/TCP:5090)
and HTTPS (default TCP:5001) ports forwarded/NATed on your Firewall to provision and operate
correctly. - Answer: True
Question: True or False: The default Voicemail PIN length is 4 digits - Answer: True
Question: Can you provision and use remote extensions when using a "Standard Edition" license key? -
Answer: No
Question: True or False: When the Digital Receptionist timeout is reached, the prompt is always
repeated. - Answer: False