User's Manual Part 1

Figure 27: Call Hold
2. Call Resume: In Figure 27, press “Unhold” button to resume to the call.
3. Multiple Calls: After call hold, users could select another line to make calls. If there is another
call coming in, the user will be able to select “Accept” or “Reject” in the right hand side of the
screen. Accept new incoming call will put the previous call on hold. To toggling between several
calls, users may need to turn off the video first by tapping on “Video off” in “Option” (See Figure
24) if it is a video call. Then the following figure will show up for users to select between multiple
lines. See Figure 28.
Figure 28: Multiple Calls
CALL TRANSFER
1. Blind Transfer: During a call, press the “Transfer” button to place the other party on hold. The
phone will display the following message: “Dial Number (Blind) OR Select Line (Attended)”. (See
Figure 29). Dial the extension number and press “Send”. This will transfer the call to the other
Grandstream Networks, Inc. GXV3175 USER MANUAL Page 25 of 68
FIRMWARE VERSION 1.0.0.32 Updated : 11/2010