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How to export syslogs from a Yealink device

This guide explains how to obtain system logs (syslogs) from a Yealink IP phone for troubleshooting purposes.

Computer: Must be connected to the same network as the phone.

IP address: Press the OK button on the phone, or tap Menu then Status, to find the IPv4 address (for example, 192.168.1.15).

Credentials: The default login is usually username: admin and password: admin.

- Computer: Must be connected to the same network as the phone.
- IP address: Press the OK button on the phone, or tap Menu then Status, to find the IPv4 address (for example, 192.168.1.15).
- Credentials: The default login is usually username: admin and password: admin.

Method 1: Export all diagnostic files (recommended)

For phones running firmware V84 or higher.

Open a web browser and enter the phone's IP address.

Find the section labelled Export All Diagnostic Files. This may also be found under System then System Diagnostic.

Click Start. This automatically sets the log level to 6 (Debug).

Reproduce the issue, for example, make the call that is failing.

Click Export to download the diagnostic package. This is usually a .zip or .tar file.

1. Open a web browser and enter the phone's IP address.
2. Log in to the phone's web interface.
3. Go to Settings then Configuration.
4. Find the section labelled Export All Diagnostic Files. This may also be found under System then System Diagnostic.
5. Click Start. This automatically sets the log level to 6 (Debug).
6. Reproduce the issue, for example, make the call that is failing.
7. Click Stop.
8. Click Export to download the diagnostic package. This is usually a .zip or .tar file.

For older firmware or if the one-click option is unavailable.

1. Open a web browser and enter the phone's IP address.
2. Log in to the phone's web interface.
3. Go to Settings then Configuration.
4. Find the Syslog or Local Log section.
5. Set Local Log Level to 6 (Debug).
6. Click Confirm.
7. Allow the phone to reboot if prompted.

Please note: The default log level of 3 does not provide enough detail for troubleshooting. Level 6 is required.

Make the call or trigger the error you need to capture.

1. Make the call or trigger the error you need to capture.

Important: You must reproduce the issue while the log level is set to 6. Logs captured at a lower level will not contain enough detail.

Find the Export System Log or Local Log section.

1. Return to Settings then Configuration.
2. Find the Export System Log or Local Log section.
3. Click Export.
4. Save the file to your computer.
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<a href="https://support.yealink.com/en/portal/knowledge/show?id=66d181d3dffd1e178f9be9c7" rel="nofollow noopener noreferrer" target="_blank">Yealink Support: Export All Diagnostic Files</a> - covers the modern one-click method for exporting the full diagnostic package including syslogs, config, and trace in a single .tar file.

<a href="https://support.yealink.com/en/portal/knowledge/show?id=6459d5430a11b818a7542679" rel="nofollow noopener noreferrer" target="_blank">Yealink Support: Local Log Configuration</a> - explains log levels 0-6, how to configure them manually, and file size limits. Best for advanced troubleshooting.

<a href="https://support.yealink.com/en/portal/knowledge/show?id=6459d54f0a11b818a7542969" rel="nofollow noopener noreferrer" target="_blank">Yealink Support: Log File Definitions</a> - explains the difference between boot.log and sys.log and what each contains.

- <a href="https://support.yealink.com/en/portal/knowledge/show?id=66d181d3dffd1e178f9be9c7" rel="nofollow noopener noreferrer" target="_blank">Yealink Support: Export All Diagnostic Files</a> - covers the modern one-click method for exporting the full diagnostic package including syslogs, config, and trace in a single .tar file.
- <a href="https://support.yealink.com/en/portal/knowledge/show?id=6459d5430a11b818a7542679" rel="nofollow noopener noreferrer" target="_blank">Yealink Support: Local Log Configuration</a> - explains log levels 0-6, how to configure them manually, and file size limits. Best for advanced troubleshooting.
- <a href="https://support.yealink.com/en/portal/knowledge/show?id=6459d54f0a11b818a7542969" rel="nofollow noopener noreferrer" target="_blank">Yealink Support: Log File Definitions</a> - explains the difference between boot.log and sys.log and what each contains.

How to export system logs (syslogs) from a Yealink IP phone for troubleshooting, covering the one-click diagnostic export and manual log export methods.

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How to export syslogs from a Yealink device

How to export syslogs from a Yealink device

Before you start

Method 1: Export all diagnostic files (recommended)

Method 2: Manual log export

Step 1: Configure the log level

Step 2: Reproduce the issue

Step 3: Export the log

Official Yealink resources