User's Manual
Grandstream Networks, Inc. GXV3140H USER MANUAL   Page 126 of 146 
 FIRMWARE VERSION 1.0.7.2 Updated : 11/2010 
Figure 136: Call Forwarding Settings 
Other features include configuration for Auto Answer, Do Not Disturb, Call Waiting, Call Waiting Tone, 
and Direct IP Call (as shown in figure 137). 
Figure 137: Other Call Features 
After the settings are configured, select “Save” to save and activate the settings.     
• VIDEO SETTINGS
Video Settings allows users to configure parameter settings related to the video during call, these 
includes Frame Rate, Bit Rate, Packet Size, Rate Control, I-Frame reference Only, Redundant 










