3CX FAQ

Answers to your most common questions about 3CX.

Quick, simple, and helpful information at a glance.

What is 3CX?
3CX is a software-based unified communications system used for making and receiving phone calls, video calls, and other forms of communication.
What do I need to install 3CX?
You will need a computer or server with an operating system (Windows or Linux) and an internet connection.
How do I set up an extension in 3CX?
You can set up an extension by going to the "Extensions" section in the 3CX management console and clicking on "Add Extension". From there, you can enter the necessary information and set up the extension.
What is a SIP trunk and how do I set it up in 3CX?
A SIP trunk is a virtual connection that allows you to make and receive calls over the internet. You can set it up in 3CX by going to the "SIP Trunks" section in the management console and clicking on "Add SIP Trunk". Then, you can enter the details provided by your SIP provider.
How do I make a call using 3CX?
You can make a call using 3CX by opening the 3CX phone app or using a desk phone connected to the system and dialing the desired number.
Why am I not receiving calls on my 3CX extension?
This may be due to several reasons, such as incorrect call forwarding settings or an issue with your internet connection. You can troubleshoot these issues using the 3CX troubleshooting guide or by contacting your system administrator.
How do I record calls using 3CX?
You can record calls in 3CX by enabling call recording in the settings section of the management console. Keep in mind that you may need to comply with local laws and regulations when recording calls.
Can I use 3CX on my mobile device?
Yes, 3CX has a mobile app available for both iOS and Android devices. You can download it from the App Store or Google Play Store.
How do I set up call forwarding with 3CX?
Call forwarding can be set up in the 3CX management console under the "Forwarding Rules" section. You can choose to forward calls to another extension or an external number.
Why am I experiencing poor call quality?
Poor call quality can be caused by various factors such as network congestion or a weak internet connection. You can improve call quality by troubleshooting your network or contacting your internet service provider.
How do I add a new phone number to my 3CX system?
You can add a new phone number to your 3CX system by going to the "Inbound Rules" section in the management console and clicking on "Add Inbound Rule". From there, you can input the new phone number and assign it to an extension or IVR.
What is an IVR and how do I set it up in 3CX?
IVR (Interactive Voice Response) is a phone system feature that allows callers to interact with a menu system by using their voice or keypad. You can set it up in 3CX by going to the "IVR" section in the management console and creating a new IVR with appropriate greeting and menu options.
Why am I unable to access the 3CX management console?
This can be due to incorrect login credentials or network issues. Make sure you are using the correct login details and try accessing the console from a different device on the same network.
How can I integrate 3CX with my CRM?
3CX has a built-in CRM integration for popular platforms such as Salesforce, Microsoft Dynamics, and Zoho. You can set it up by going to the "CRM Integration" section in the management console and following the instructions for your specific CRM.
What is a call queue and how do I set it up in 3CX?
A call queue is a feature that allows a group of extensions to answer calls in a specific order. You can set it up in 3CX by going to the "Call Queues" section in the management console and creating a new queue with the desired settings and extensions.
How can I change the default language in 3CX?
You can change the default language in 3CX by going to the "General" section in the management console and selecting the desired language from the dropdown menu.
Why can't I access call recordings in 3CX?
This may be due to incorrect permissions for call recording. Make sure your user has the necessary permissions to access call recordings in the management console.
Can I use my existing phone lines with 3CX?
Yes, you can use your existing phone lines with 3CX by connecting them to a supported gateway or using a VoIP provider.
How can I add a new user to 3CX?
You can add a new user to 3CX by going to the "Users" section in the management console and clicking on "Add User". From there, you can enter the user's information and assign them to the appropriate groups and extensions.
Why is my call not going through?
This may be due to a variety of reasons such as incorrect dialing rules or network issues. Check your dialing rules and make sure you have a stable internet connection.
How do I set up a conference call in 3CX?
You can set up a conference call in 3CX by going to the "Conference Bridges" section in the management console and creating a new conference bridge. Then, you can invite participants and provide them with the necessary information to join the conference call.
Is 3CX compatible with all types of phones?
3CX is compatible with a wide range of phones, including desk phones, smartphones, and softphones. You can check the list of supported devices on the 3CX website.
How can I check my call history in 3CX?
You can check your call history in the 3CX phone app or by going to the "Call History" section in the management console. You can also export your call history as a CSV file for further analysis.
Why am I getting an error message when trying to make a call?
This could be due to a few reasons, such as incorrect dialing rules or permission settings. Check your settings and make sure you have the necessary permissions to make calls.
How can I monitor my 3CX system's performance?
You can monitor your 3CX system's performance by going to the "Dashboard" section in the management console. This will show real-time information about call volume, average wait time, and other relevant data.
How do I update 3CX to the latest version?
You can update 3CX to the latest version by going to the "General" section in the management console and clicking on "Check for Updates". You can also set up automatic updates for future releases.
Where can I find documentation and user guides for 3CX?
You can find documentation and user guides for 3CX on the 3CX website or