1. User interface
Yealink W53H/W56H/W59R
 | Number | Key | Function | 
| 1 | Receiver |  | 
| 2 | Power LED indicator | indicates the call status, message status and charging status | 
| 3 | Phone screen |  | 
| 4 | Soft keys | acess the function directly; depends on the operating situation | 
| 5 | Message key | accesses the voicemail or missed calls | 
| 6 | Speakerphone key |  			
  | 
| 7 | Navigation keys | scroll through information or options on the screen | 
| 8 | OK key | confirms actions or enters the main menu | 
| 9 | On-hook key/power key |  			
  | 
| 10 | Off-hook key |  			
  | 
| 11 | Keypad |  | 
| 12 | TRAN key | transfers a call to another party | 
| 13 | Mute key | toggles the mute feature on or off | 
| 14 | Microphone | picks up audio | 
| 15 | Speaker | outputs audio in the hands-free mode | 
| 16 | 3.5 mm headset jack | connects a standard 3.5 mm headset | 
 
 on the mobile handset to access the voice menu of the voice mail system.