User's Manual
Grandstream Networks, Inc. GXV3175 USER MANUAL  Page 31 of 60 
 FIRMWARE VERSION 1.0.1.1 Updated : 3/2012 
•  If users enter a wrong number and wish to cancel the transfer, just press the “Cancel” in the screen 
shown in Figure 32. Then the call with the first party will resume automatically. 
•  If the user is on a video call with the first party, the users may need to turn off the video by pressing 
“Video off” or pressing “Hold” to activate the screen to select another line. 
3-WAY CONFERENCE 
The GXV-3175 supports 3-way video conferencing. See Figure 34. 
Figure 34: 3-Way Conference 
1.  Initiate a Conference Call: During a call, select another line by pressing “Line” button to call the 
second party using the same account. This will place the first call on hold. Once the user has 
established the second call, press the “Conference” button then select the line on hold by pressing 
the corresponding “Line” button. This would bring the three parties together in a 3 way conference.   
2. Cancel the Conference: If after pressing the “Conference” button, a user decides not to 
conference anyone, press “Cancel” to cancel the conference.   
3. End the Conference: There are two ways to end a conference: The first way is to press “END” in 
the conference call. The second way to end a conference is to simply hang up and terminate the 
call. 
NOTE: 
•  During the conference, users can see three-way videos if it is video call.   
•  To activate the call options during the conference, users could simply tap on the screen then the 
options will show up. Press PIP button to change the layout of the video display for the three 
parties. 
•  During the three way conference, if the initiator of the conference hangs up, the conference will 
end. If users wish to allow the remaining two parties to stay in conversation after the initiator hangs 










