Yealink SIP-T2 Series, T4Series, T5 Series, CP920 IP s v85.1
![Yealink SIP-T2 Series, T4Series, T5 Series, CP920 IP Phones manual cover](/images/7d2a9503f8dc8464ea99076e/thumbs/thumb175x175.webp)
To set up a Yealink SIP phone, connect the phone to a power source and network, then access the phone’s web interface by entering the phone's IP address in a web browser. Log in using the default credentials (admin/admin) and configure the SIP account settings under 'Account.' Ensure the phone is registered and reboot if necessary.
Check network cables and ensure the phone is properly connected. Verify that the network settings, such as IP address and DNS, are correctly configured on the phone. Restart the phone and network equipment if needed. If the issue persists, consult your network administrator.
To reset a Yealink phone to factory settings, press the 'OK' button for about 10 seconds. Confirm the reset when prompted. Alternatively, you can access the phone’s web interface, go to 'Settings' > 'Upgrade' > 'Reset to Factory Settings.' Note that this will erase all custom configurations.
Download the latest firmware from the Yealink website. Access the phone’s web interface, navigate to 'Settings' > 'Upgrade,' and upload the firmware file. Follow the on-screen instructions to complete the update. Ensure the phone remains powered on during the process.
Check the volume settings to ensure they are not muted or set too low. Verify that the handset and headset are properly connected. Test the speakerphone function. If the issue persists, restart the phone and check the sound settings in the web interface.
To configure call forwarding, press the 'Menu' button, select 'Features,' then 'Call Forward.' Choose the type of forwarding (Always, Busy, or No Answer), and enter the forwarding number. Confirm the settings and ensure the feature is activated.
Check the network and SIP account settings to ensure they are correctly configured. Verify that the phone is connected to the network and has an IP address. Restart the phone and consult the service provider if the issue continues.
Press the 'Menu' button, select 'Settings,' then 'Basic Settings,' and choose 'Sound' > 'Ring Tones.' Select the desired ringtone from the list and confirm your choice. You can test the ringtones before selecting them.
During an active call, press the 'Conference' button, dial the second participant's number, and press 'Send.' Once connected, press 'Conference' again to join all parties. You can repeat this process to add more participants.
Ensure the phone has a stable network connection and sufficient bandwidth. Check for any network congestion or interference. Update the phone's firmware and verify the SIP account settings. If disconnections persist, consult with your network administrator.