User Guide
Grandstream 
DP720/DP750 
VoIP DECT Phone 
Quick User Guide 
For  detailed  information  please 
consult  DP720/750  administration 
or  user  guides  available  at: 
www.grandstream.com 
©2016  Grandstream  Networks, 
Inc.  All  rights  reserved. 
Reproduction or transmittal of the 
entire or any part, in any form or by 
any means, electronic or print, for 
any  purpose  without  the express 
written permission of Grandstream 
Networks,  Inc.  is  not 
permitted. Information  in  this 
document  is  subject  to  change 
without notice 
BASIC OPERATIONS 
Turning the handset ON / OFF 
To turn ON the handset 
  Long  press  on  Power  Key   
until the LCD screen lights up.  
To turn OFF the handset 
  Long  press  on  Power  Key    
again when the handset is idle until 
the display turns off. 
Registering DP720 handset to 
DP750 base station 
1.  On DP750 Base station, press and 
hold Radio/Page button for about 7 
seconds  until  radio  LED  starts 
blinking;  or,  access  web  UI  > 
Status  > DECT  Status and  press 
Subscribe button. 
2.  On DP720, Press “Menu” (   or 
 ). 
3.  Use  arrow  keys  to  reach 
Settings   > Registration.  
4.  Navigate  to  Register,  then  press 
“Select”  while  the  DP750  Radio 
icon is blinking. 
5.  Select the corresponding base, and 
then press “Subscribe”. 
6.  DP720  handset  will display  Easy 
Pairing  on  the  LCD  and  play  an 
audible buzz when subscribed.  
Checking base station IP 
address 
1.  Press “Menu” (   or   ). 
2.  Use  arrow  keys  to  reach 
Settings   > Info. 
3.  Press  “Select” softkey to display 
Info page, browse the  screen  to 
find  IP address,  subnet  mask  and 
default  gateway  information  for 
your DP750. 
HANDSET SETTINGS 
Setting the key lock 
To enable the keypad lock  
1.  Press  and  hold    (pound  key) 
for approximately 2 seconds. 
2.  DP720  screen  will  show  “Keypad 
Locked”  message  briefly  and  key 
lock icon   will appear. 
To disable the keypad lock 
1.  Press  and  hold    (pound  key) 
for  approximately  2  seconds  to 
unlock the keypad. 
2.  DP720  screen  will  show  “Keypad 
Unlocked” message. 
Editing the handset’s name 
1.  Press “Menu” (   or   ). 
2.  Use  arrow  keys  to  reach 
Settings   > Handset Name.  
3.  Enter the desired name and press 
“Rename“ softkey. 
Changing the base PIN 
1.  Press “Menu” (   or   ). 
2.  Use  arrow  keys  to  reach 
Settings   > System Settings.  
3.  Enter  current  base  PIN  code 
(Default is 0000). 
4.  Enter the desired base code PIN. 
5.  Press “Save” softkey to confirm. 
Selecting the Menu Language 
1.  Press “Menu” (   or   ). 
2.  Use  arrow  keys  to  reach 
Settings   > Phone Language.  
3.  Choose the  desired language  and 
press “Select” softkey.  
4.  Press “Yes” softkey to confirm. 
Date and time  
1.  Press “Menu” (   or   ). 
2.  Use  arrow  keys  to  reach 
Settings   > Date and time .  
3.  Edit  current  values  in  date/time 
fields (you can change date/time 
format using left and right arrow 
keys) and then press “Set” softkey.  
4.  Press “Save” softkey to confirm.  


