VoIP Phone System User Guide 
26 | P a g e  
 
Setting up the DP730/DP722 Handsets 
 
Please follow below steps to insert batteries into the Handsets: 
•  Open the battery compartment cover. 
•  For DP730: Inset Li-ion battery with the electrodes in the bottom left corner. 
•  For DP722: Insert rechargeable AAA batteries with correct polarity (+ / -). 
•  Close the battery compartment cover. 
Note: Please charge the batteries fully before using the Handsets for the first time 
 
Setting up the W53P Handsets 
 
Use the DP730/DP722 Handset instructions as it works the same way.