10.14 Call Forward .................................................................................................................. 110 
10.15 DND & FWD Synchronization ........................................................................................ 118 
10.16 Multiple Call Appearances ............................................................................................. 119 
10.17 Call Hold ........................................................................................................................ 119 
10.18 Call Mute ....................................................................................................................... 122 
10.19 Call Transfer .................................................................................................................. 122 
10.20 Conference .................................................................................................................... 124 
10.21 Keep Mute ..................................................................................................................... 125 
10.22 Auto Redial .................................................................................................................... 125 
10.23 USB Recording .............................................................................................................. 126 
10.24 Confidential Dial ............................................................................................................ 126 
10.25 Multicast Paging ............................................................................................................ 127 
10.26 Action URL .................................................................................................................... 130 
10.27 Action URI ..................................................................................................................... 142 
11. Phone Customization ............................................................................................................ 147 
11.1 Multiple Languages ......................................................................................................... 147 
11.2 Screen Saver ................................................................................................................... 148 
11.3 Backlight of LCD .............................................................................................................. 149 
11.4 Backlight of LED (Only for M8) ........................................................................................ 150 
11.5 ECO Mode (Only for M8) ................................................................................................. 151 
11.6 Time and Date ................................................................................................................. 154 
11.7 Key As Send .................................................................................................................... 162 
11.8 Bluetooth ......................................................................................................................... 162 
11.9 Handset/Headset/Speakerphone Mode ........................................................................... 163 
11.10 Programmable Keys ...................................................................................................... 164 
11.11 Wallpaper ...................................................................................................................... 174 
11.12 Call Display ................................................................................................................... 175 
11.13 Notification Pop-ups ...................................................................................................... 175 
11.14 IME Optimization ........................................................................................................... 176 
11.15 Search Source List in Dialing ......................................................................................... 176 
11.16 Soft Key Layout ............................................................................................................. 176 
12. Advanced Features ............................................................................................................... 188 
12.1 Audio Hub........................................................................................................................ 188 
12.2 X-party Conference ......................................................................................................... 191 
12.3 Hot Desking ..................................................................................................................... 194 
12.4 Intercom .......................................................................................................................... 196 
12.5 Push-To-Talk ................................................................................................................... 200 
12.6 Voicemail ......................................................................................................................... 200 
12.7 BLF.................................................................................................................................. 202 
12.8 Call Pickup ...................................................................................................................... 204 
12.19 Call Park & Retrieve ...................................................................................................... 208