On Teams Admin - Why does Devices show that Yealink Teams Phones show it is offline even though the phone is working? The work around to get it back online is I have to do the IP address of the Yealink Phone using Andriod os and remotely reboot or physically have to reboot the Yealink Phone.If the phone prompts you to restore the factory settings, press the confirmation button to restore the factory configuration. Yealink Wall Mount Quick Installation Guide for Yealink IP Phones. Juniper reset has quite a few options to meet this requirement - one via manually resetting SRX to the default setting and one via issuing CLI command. If you are not founding for Yealink Update Failed 1, simply will check out our info below. Yealink mp56 factory reset without password How to reset the Yealink MP56? To reset the Yelaink MP56 to its factory settings you will need to go to Settings and the Upgrade from the web user interface.