Grandstream GXP21xx Series User Manual - Manual (Page 35)

FIRMWARE VERSION 1.0.8.4 GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL Page 33 of 85
while the phone is in idle.
Or users could set it from phone's Menu following the steps below:
 Press the Menu button and select "Preference" using navigation keys;
 Press Menu button again to get into Preference options;
 Select "Do Not Disturb" and press Menu button;
 Use arrow keys to select and press Menu button to enable or disable "Do Not Disturb" feature.
When Do Not Disturb feature is turned on, the DND icon will appear on the right side of the LCD. The
incoming call will not be accepted or the call will directly go into voicemail.
DURING A PHONE CALL
CALL WAITING/CALL HOLD

Hold . Place a call on hold by pressing the HOLD button. The active LINE key will blink in green;

Resume . Resume call by pressing the blinking LINE key;

Multiple calls . Automatically place active call on hold or switch between calls by pressing the LINE
key. Call waiting tone (stutter tone) will be audible on new incoming call during the active call.
MUTE
During an active call, press the MUTE button to mute/unmute the microphone. The LCD will show "Talking"
or "MUTE" to indicate the mute status, with Mute icon displayed on the screen.
CALL TRANSFER
GXP2120/GXP2110/GXP2100/GXP14xx supports Blind Transfer, Attended Transfer and Auto-Attended
Transfer.

Blind Transfer .
 During the first active call, press TRAN key and dial the number to transfer to;
 Press SEND key or # to complete transfer of active call.