Webex Wireless Phone 840 and 840S quick reference guideMarch 2022Copyright © 2022 Cisco Systems, Inc. All rights reserved.Your phone1. Power button2. Barcode scanner (840S only) andprogrammable button (by default Emergency)3. Receive speaker and front camera4. Programmable button (by default PTT)5. Microphone6. Headset jack, USB charging port, and speaker7. Programmable buttons (by default: Volume up,Volume down, and the lower button is Scanner(for 840S) or No action (for 840))8. Rear camera, flash lens/torch, and rearmicrophone9. Charger contacts, battery latch, andrechargeable battery packTurn on your phonePress and hold the Power button until the phonevibrates and the first screen displays.Unlock your phone1. If the phone screen is in sleep mode, brieflypress the Power button.2. Swipe up on the Lock screen.3. Enter your PIN or password and tap Enter .Lock your phoneBriefly press the Power button.Turn off your phone1. Press and hold the Power button.2. Tap Power off .Make a call from the keypad1. Access the Cisco Phone app.2. (Optional) If your phone has multiple lines,access the desired line.3. Tap Keypad .4. Enter a phone number.5. Tap Answer/Call .Answer a callSwipe Answer/Call to the right.Mute your microphone1. From the active call screen, tap Mute .2. To unmute your microphone, tap Muteagain.Change your audio option1. From the active call screen, tap Audiooptions .2. Select the desired available audio option:Headphones , Speaker , Bluetooth ,or Phone .Hold a call1. From the active call screen, tap Hold .2. To return to the held call, tap Hold .Transfer a call to another person1. From the active call screen, tap More .2. Tap Transfer to number .3. Enter the number to call or select an entryfrom your recent Calls .4. Tap Transfer .