Grandstream GXV3175 User Manual - Manual (Page 35)

FIRMWARE VERSION 1.0.3.76 GXV3175 USER MANUAL Page 35 of 139
Figure 29: Call Function Options
Table 7: GXV3175 CALL FUNCTIONS
OPTION MENU FUNCTION DESCRIPTION
DTMF Dial Pad Press the number and # or * for DTMF. Flash will be sent
as SIP-INFO
Press to decrease call volume
Press to increase call volume
PIP Press to switch videos between the caller and callee
Snapshot Press to take a snapshot of the current video. The
snapshot will be automatically saved to folder “screenshot”
in Tools  File Manager
BLF Press to access BLF
Hold Press to hold the call
Mute Press to mute/unmute the call
Trnf Press to transfer the call
Video off Press to switch between Video off and Video on. In the
screen, the default picture will show instead of the video
when video is turned off
Conf Press to make 3-way conference call