User Guide for the SIP-T46G IP Phone46If the Skype for Business Server is configured to forcibly lock the phone, user can usephone lock feature to lock the phone to prevent it from unauthorized use. And the IPphone will prompt the user to configure an unlock PIN at the initial sign-in.To set unlock PIN:1. Enter the unlock PIN (length must be between 6 and 15) in the New PIN field.2. Enter the unlock PIN again in the Confirm PIN field.3. Press the Save soft key.When the unlock PIN is configured successfully, you can do one of the following to lockyour phone:- Long press for two seconds to lock the phone immediately when the phone isidle.- Press ->Basic->Phone Unlock PIN.Select Lock the phone, and then press the OK soft key.- The phone will be locked automatically when it has been inactive for thedesignated time (in seconds). The time is configurable on Skype for Business serveronly.When the locked phone is idle:Line keys, digit keys, # key, * key, volume key, headset key and speakerphone key areavailable and other keys on the phone are locked.Pick up the handset or press the first line key or press the Speakerphone key to enter thepre-dialing screen, enter the emergency phone number, and then press , or pressSend soft key to place a call.You can only place an emergency call and cannot make other outgoing call. And youcannot search contacts on the pre-dialing screen.When the locked phone receives an incoming call:You can answer, reject or mute the incoming calls only.