User's Manual
Grandstream Networks, Inc. GXV3140 USER MANUAL  Page 69 of 83 
 FIRMWARE VERSION 1.0.1.18 Updated : 09/2009 
z  CALL FEATURES 
The Call Features menu allows the user to configure Call Forwarding methods (Forward unconditionally, 
Forward when busy, Forward on no answer) and other features such as Auto-Answer, Call Waiting and 
DND. Users can configure the three accounts to different call forwarding schemes.                         
Press F1 to Select Call Features and the following screen will be displayed: 
Other features include configuration for Auto Answer, Do Not Disturb, Call Waiting, Call Waiting Tone, and 
Direct IP Call (as shown in the figure below): 










