Polycom 650 IP Phone User Guide V1.0 
Using your phone 
Line keys 
Situated in the top left of your handset, the six line/Speed Dial buttons let you: 
-  Make a second call while the first call on hold. 
-  Take a second call with another in progress (if Call Waiting is on – see page XX).  
-  Switch between the two different calls. 
-  Call up to four of your most frequently used numbers. 
For example, to put one call on hold, while checking availability on another number: 
 
     
 
 Press Hold             Press New Line Key      Press End Call and Resume to finish 
Busy lamp fields 
If you have more than one line on your phone – or a Backlit Expansion Module to go with your 
Polycom 650– Busy  Lamp  Fields  let  you  see  if  colleagues’  lines  are  free  to  take calls  – in this 
example Cherry and Charlie 
You can have up to 13 Busy Lamp files on the Polycom 650 spread over both the phone and base 
unit. 
 
       
Charlie's line is busy 
By setting up Speed Dials for your Busy Lamp fields, you can then answer calls on that line, so in 
this example when Charlie is busy.