Yealink T27P – Making a call
Using the receiver
- Lift the handset;
 
- Enter the number, then press Submit
 
 
 
Using the speakerphone
- With the handset on-hook, press
; 
- Enter the number, then press Submit
 
 
 
Using headphones
- With headphones connected, press 
 to activate headphones mode; 
- Enter the number, then press Submit