user manual
Grandstream Networks, Inc. GXV3175 USER MANUAL   Page 100 of 119 
   FIRMWARE VERSION 1.0.0.32  Updated : 12/2010 
Busy To  Call Forward when busy 
No Answer To  Call Forward on no answer 
No Answer 
Timeout(s) 
Call Forward if no answer after the timeout value(s) 
Auto Answer  Three options: “Disable”, “Enable” and “Page/Intercom”. By default it is 
set to “Disable” 
Other features include configuration for Do Not Disturb, Call Waiting, Call Waiting Tone, and Direct IP 
Call could be disabled/enable as shown in Figure 105. 
Figure 105: Other Call Features 
After the settings are configured, select “Save” to save and activate the settings.     
 VIDEO
Video Settings can be accessed by selecting MENU->System Settings->Video. It allows users to 
configure parameters related to the video during call, which includes Frame Rate, Packet Size, Rate 
Control, I-Frame reference Only, Redundant P-frame and Packetization Mode.   
Normally, users do not need to change the default settings. However, if the network bandwidth allows it, 
users can increase the frame rate for better video quality.   










