Speaker.
Press to switch between speaker and handset mode in an active call.
Message Waiting Indicator
Message Waiting Indicator.
The LED Indicator will flash in red when there is new voice mail.
Table 9: GXP16XX Front View Definitions
Characters Input
Each key on a GXP16XX except for key 1 corresponds to one number and a group of three letters, Users need to tap on a key
multiple times until the wanted number or letter appears (Both lower and upper case available), While key 1 is used to input
special characters and number 1.
Refer to below table for each key and character input:
Key Description Key Description Key Description
1 1 Space . : / ‘ ` @ * + – = , | & ? ! % ( ) ~ _ < > { } [ ] ^ 2 2 A B C a b c 3 3 D E F d e f
4 4 G H I g h i 5 5 J K L j k l 6 6 M N O m n o
7 7 P Q R S p q r s 8 8 T U V t u v 9 9 W X Y Z w x y z
* * 0 0 # #
Making Phone Calls
Handset, Speaker and Headset Mode
The GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630 allows users to switch among handset, speaker or headset
when making calls. Press the Hook Switch to switch to handset; press the Headset button to switch to headset; or press the
Speaker button to switch to speaker.
SIP Accounts and Lines
GXP1630 supports up to 3 independent SIP accounts, GXP1610/GXP1615/GXP1620/GXP1625/GXP1628 can support up to 2
independent SIP accounts. Each account is capable of independent SIP servers, user and NAT settings. Each of the LINE button
is “virtually” mapped to an individual SIP account. In off hook state, select an idle line and the dial tone will be heard.
To make a call, select the line you wish to use. The corresponding LINE LED will light up in green. The user can switch lines
before dialing any number by pressing the LINE buttons.
For example: If 2 independent accounts are registered on GXP1610/GXP1615/GXP1620/GXP1625/GXP1628, when LINE 1 is
pressed, the LINE 1 LED will light up in green. If LINE 2 is pressed, the LINE 2 LED will light up in green and the subsequent call
will be made through SIP account 2.
Incoming calls to a specific account will attempt to use its corresponding LINE if it is not in use.When the “virtually” mapped
line is in use, the GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630 will flash the other available LINE in red. A line is
ACTIVE when it is in use and the corresponding LED is red.
Completing Calls
There are several ways to complete a call.