User's Manual
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide Page 1 of 42 
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide 
Index 
DOCUMENT PURPOSE .............................................................................. 5 
GNU GPL INFORMATION ........................................................................... 6 
WELCOME .................................................................................................. 7 
PRODUCT OVERVIEW ............................................................................. 11 
FEATURE HIGHTLIGHTS (GXP1610/GXP1620/GXP1625/GXP1628) .............................................. 11 
FEATURE HIGHTLIGHTS (GXP1630) ................................................................................................ 11 
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 TECHNICAL SPECIFICATIONS ...................... 12 
INSTALLATION .......................................................................................... 17 
EQUIPMENT PACKAGING ................................................................................................................. 17 
CONNECTING YOUR PHONE ............................................................................................................ 17 
STAND INSTALLATION ....................................................................................................................... 18 
WALL MOUNT INSTALLATION ........................................................................................................... 19 
SAFETY COMPLIANCES .................................................................................................................... 20 
WARRANTY ......................................................................................................................................... 20 
GETTING TO KNOW GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 ............... 21 
IDLE SCREEN ..................................................................................................................................... 21 
USING THE KEYPAD .......................................................................................................................... 23 
MAKING PHONE CALLS..................................................................................................................... 25 
HANDSET, SPEAKER AND HEADSET MODE ........................................................................... 25 
SIP ACCOUNTS AND LINES ....................................................................................................... 25 
COMPLETING CALLS ................................................................................................................. 26 
MAKING CALLS USING IP ADDRESSES ................................................................................... 28 
ANSWERING PHONE CALLS ............................................................................................................ 29 
RECEIVING CALLS...................................................................................................................... 29 
DO NOT DISTURB ....................................................................................................................... 29 
DURING A PHONE CALL .................................................................................................................... 30 
CALL RECORDING ...................................................................................................................... 30 
CALL WAITING/CALL HOLD ....................................................................................................... 30 
MUTE ............................................................................................................................................ 30 
CALL TRANSFER ........................................................................................................................ 30 
CONFERENCING ......................................................................................................................... 32 










