Yasing Technology Corp. YBH3221 User Manual

14 

To use voice activation, the mobile phone must support voice dialing. For details on voice dialing, 
please see your phone’s user’s guide. 

1. 

Press the Talk button once on your headset.   

2. 

After a short tone sounds, speak the name of the person you wish to connect (if he or she has a 
voice tag in your phone). 

3. 

The phone automatically dials the number. You can see the details of the call from the phone’s 
screen.  

** For Nokia mobile phones, you have to press and hold the “Names” key first, and then speak the 
person’s name after the short tone. 

1. 

Dial the phone number from the mobile phone’s keypad. 

2. 

Press the key to send the call from your phone. 

3. 

The call automatically transfers to the headset. 

 

During a call, you can adjust the headset speaker volume. An audio tone is played for each volume up 
and volume down step.