Figure 17: Select Picture 
-  The following window will pop up to select from where to upload the picture, from local disk or set 
a URL to the picture. 
 
Figure 18: Upload Picture 
-  Click “Save and Apply” after choosing the picture. 
During the call, the callee will see the picture/icon that the caller sets. Users can find the Call-Info header 
that contains the jpg file from sip messages as shown below. (Currently only support openser)