User's Manual
Grandstream Networks, Inc. GXV3140 USER MANUAL  Page 20 of 83 
 FIRMWARE VERSION 1.0.1.18 Updated : 09/2009 
Without lifting the handset off the hook, simply dial the number and press F3 to SEND. This 
phone will dial the number and the audio will be output via speakerphone. The phone will use the 
primary account to dial out. To user other accounts, press the LINE key to select the account and 
then dial the number. 
DURING CALLS 
ANSWERING CALLS 
1.  Single Incoming call:When the phone rings, you can use the headset, handset or speaker to answer 
the call. The user may also press the SPEAKER button or the corresponding FUNCTION button for 
“Accept” on the LCD screen. 
2.  Multiple Incoming Calls:The user will hear a call waiting tone and the LCD displays the number of 
the caller. At this moment, press the corresponding FUNCTION button for “Accept” to establish a 
connection with the new caller. This will put the previous call on hold, and users may press LINE 
button to see the status of each line and to switch between the lines 
3.  Paging/Intercom: After the phone makes a “beep” sound, the call is automatically established through 
the speaker. (Support from PBX / IP-PBX required) 
CALL HOLD/WAITING 
1.  Call Hold:Press the HOLD button (
) to place the call on hold. 
2.  Call Recover:Press the HOLD button again or press the “Resume” FUNCTION button to return to the 
call. 
3.  Multiple Calls:Put the current call on hold, press the LINE button to select another line or accept 
another call. When the line is busy the user hears a call waiting tone, notifying the user that a call is 
waiting. 
CALL TRANSFER 
1.  Blind Transfer: Press the “CALL TRANSFER” button to place the other party on hold. The phone will 
display the following message: “Dial Number (Blind) OR Select Line (Attended)”. Dial the extension 
number and press F3 for “SEND”. This will transfer the call to the other party immediately. 
2.  Attended Transfer:Press the “LINE” button to select an idle line to use for attended transfer; this will 
place the other party on hold immediately. Dial the number that you wish to transfer to and after 
confirmation from the party, press the “CALL TRANSFER” button. The phone will display the following 
message: “Dial Number (Blind) OR Select Line (Attended)”. Press the “LINE” button and select the line 
on hold. 










