For password use the phone’s MAC address (using CAPS for letter) and press “OK.”.Release them only when seeing the “Enter Password” message appear.As soon as the “Welcome” message appears, press and hold down “1,” “3,” “5.”.On the “Loading Application” screen press “Cancel.”.This must be done before provisioning your Polycom VVX phone in case the device has residual settings of a previous configuration. Switch a Polycom VVX from Lync or Skype for Business to SIPĪpplicable to Polycom VVX 101, 150, 201, 250, 300, 301, 311, 350, 400, 401, 410, 411, 450, 500, 501, 600, 601įollow the steps below to factory reset your Polycom VVX device in order to bring back the factory default settings.