Grandstream Networks GXP280 GXP-280 Leaflet

For detailed information please 

consult the GXP Series User Manual  

available at:

www.grandstream.com

Quick User Guide

Basic Phone Operation

1) Take Handset/SPEAKER/Headset 

off-hook or press an available LINE key 

(activates speakerphone) or press the 

NEW CALL soft-key.

2) The line will have a dial tone and the 

primary line (LINE1) LED will turn red.

3) If you wish, select another LINE key 

(alternative SIP account).

4) Enter the phone number

5) Press the SEND key or press the “DIAL” 

softkey. 

1) Use the Speaker Button  

to turn 

speaker ON/OFF 

2) Use the “Headset” button to use the 

headset once it had been connected. 

Note: The GXP2000 uses the speaker 

button to toggle to the headset once it is 
connected.

1) Take the phone off-hook

2) Press the SEND button or press the 

REDIAL soft-key. 

Note: The phone will redial using the 

same SIP account as was used for the last 
call.

1) 

Hold: Place a call on ‘hold’ by pressing 

the “HOLD” button.

2) 

Resume: Resume call by pressing the 

corresponding blinking LINE. 

End a call by pressing the “End” softkey or 
hang up the phone.

©2010 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 writ-

ten permission of Grandstream Networks, Inc. 

is not permitted.Information in this document is 

subject to change without notice.

Assuming that you are already in a

conversation and wish to bring a third 

party together in a 3-way conference. 

1) Place the first call on hold 

2) Select another line to initiate a call to 

the third party by pressing the LINE button

3) Toggle to the correct account used to 

dial out.

3) Dial the number followed by SEND key.

3) When the call is established between 

the third party, press the CONF button

4) Choose the desired line to join the 

conference by pressing the corresponding 

LINE button.

Assuming that you are in a call and wish to 

transfer the call to another party

1) Press “TRANSFER (or TRNF for GXP-

2000)” button, 

2) Dial the number and press the “SEND” 
button to complete transfer of active call.

1. Press the MUTE button to mute/unmute 

the microphone.

2. The “Line Status Indicator” will show 

“LINEx: SPEAKING” or “LINEx: MUTE” to 

indicate whether the microphone is muted.

Note : Pressing MUTE button for an 

incoming call will reject the call. MUTE but-

ton also functions as delete key when user 
wishs to delete the last entered digit.

Use the Up/Down arrow keys to adjust the 

ring volume when the phone is idle. 

Use the Up/Down arrow keys to adjust the 
call volume during the call.

1) Press “LINEx” button to make a call and 

automatically place the ACTIVE LINE on 

HOLD. 

2) Once the call is established, press 

“TRANSFER (or TRNF)” key followed 

by the LINE button of the waiting line to 

transfer the call.

3) Hang up the phone call after “Transfer 

Successful” is displayed in the screen.

1) Press CONF again or the original LINE 

button to resume the two-way conversa-

tion if after pressing the “CONF” button, a 

user decides not to conference anyone.

1) Press HOLD to end the conference call 

and put all parties on hold;

2) To speak with an individual party, select 

the corresponding blinking LINE.

Note : The conference will be terminated 

for all three parties if the conference initia-

tor hangs up.

A blinking red MWI (Message Waiting Indi-

cator) indicates a message is waiting.

1) Press the MSG button to retrieve the 

message. An IVR will prompt the user 

through the process of message retrieval. 

2) Press a specific LINE to retrieve mes-

sages for a specific line account.

Note :  Each account requires a voicemail 

portal number to be configured in the 

“voicemail user id” field. 

Single Incoming Call: 

1) Answer call by taking Handset/

SPEAKER/Headset off hook or pressing 

SPEAKER or by pressing the correspond-

ing account LINE button.

Multiple Incoming calls: 

1) When there is a call waiting, users will 

hear a Call Waiting tone . 

2) The next available line will flash red. 

3) Answer the incoming call by pressing its 

corresponding LINE button.

4) The current call will be put on hold. 

5) Toggle between the calls using the LINE 
button.