# 3CX Softphone
**3CX** is a SIP softphone designed for business, offering voice and video calls as well as multichannel call and conference capabilities.
3CX softphone interface
1. **Download and install** the 3CX Softphone from the official website ([link](https://www.3cx.com/voip/softphone/)).
Start page
2. **Add a new SIP account** by clicking "**New**":
New SIP-connection
3. **Enter the required data** for your SIP connection:
* **Account name** – any arbitrary name
* **CallerID** – employee’s name
* **Extension** – employee’s internal extension number (from the employee card in MikoPBX)
* **ID** – same as the internal extension number (from the employee card)
* **Password** – SIP password (from the employee card)
Connection credentials
4. In the **"My location"** section, specify your MikoPBX IP address.
* If the softphone is on the **same local network** as MikoPBX, select **"I am in the office - local IP."**
* If you want to connect via the external IP address, choose **"I am out of the office - external IP."**
After entering these details, click **"OK."**
"My location" section
5. **Select the added account** and click **"OK"**:
Steps for choosing SIP connection
The softphone will then connect. You can verify the connection by checking the employee’s status indicator in MikoPBX:
