Table of Contents7Locking Your Phone Manually 105Unlocking Your Phone 105Changing Your Phone Unlock PIN 105Extending the Line Key Labels 106Audio Settings 107Adjusting the Volume 107Setting the Ring Tone 107Setting a Ring Tone for the Phone 107Setting a Ring Tone for an Account 107Setting a Ring Tone for a Group 108Setting a Ring Tone for a Contact 108Disabling the Key Tone 108Optional Accessories with Your Phone 110Headset 110Connecting the Analog Headset 111Wireless Headset 111Bluetooth Headset 111USB Headset 111Using Headsets 111Bluetooth 112Activating the Bluetooth Mode 112Pairing and Connecting the Bluetooth Headset 112Pairing and Connecting the Bluetooth-enabled Mobile Phone 113Syncing the Mobile Contacts to the Phone 113Enabling the Mobile Contacts Sync Feature 114Viewing Your Mobile Contacts on the Phones 114Disabling the Mobile Contacts Sync Feature 114Viewing the Bluetooth Device Information 115Editing Device Name of Your Phone 115Deleting the Paired Bluetooth Device 116Disconnecting the Bluetooth Device 116Deactivating the Bluetooth Mode 116Wireless Network 116Activating the Wi-Fi Mode 117Connecting to the Wireless Network 117Connecting to an Available Wireless Network Manually 117Connecting to the Wireless Network Using WPS 117Adding a Wireless Network Manually 118Viewing the Wireless Network Information 119Managing the Saved Wireless Network 119Disconnecting the Wireless Network Connection 119Deactivating the Wi-Fi Mode 120Expansion Module and Your Phone 120