Way Conferencing | Grandstream Networks GXP280/GXP285, GXP2020

1.Blind Transfer: Press “TRANSFER (or TRNF for GXP-2000)” button, then dial the number and press the “SEND” button to complete transfer of active call.

2.Attended (or Supervised) Transfer: Press “LINEx” button to make a call and automatically place the ACTIVE LINE on HOLD. Once the second call is established, press “TRANSFER (or TRNF)” key then the LINE button of the waiting line to transfer the call. Hang up the phone call after “Transfer Successful” is displayed in the screen.

3.Semi-Attended Transfer: In the web UI, under “Account Settings”, select the Semi-attended Transfer Mode. There are two modes to select for this feature. RFC5589 and Send Refer with early dialog:

a.With RFC5589 phone will not send out REFER to transferee until 200OK is received from transfer target. Like an attended transfer, press “LINEx” button to make a call and automatically place the ACTIVE LINE on HOLD. Dial the second call, and as it is ringing press the “TRANSFER (or TRNF)” key and then the blinking LINE button of the call on hold to transfer the call.

b.With "Send REFER with early dialog" mode phone will send out REFER as soon as the transfer target is selected (in the early dialog stage). Like an attended transfer, press “LINEx” button to make a call and automatically place the ACTIVE LINE on HOLD. Dial the second call, and as it is ringing press the “TRANSFER (or TRNF)” key and then the blinking LINE button of the call on hold to transfer the call. Transferor will hang up.

4.Auto-Attended Transfer (only on GXP1200): In the web UI, under “Advanced Settings”, set “Auto- attended Transfer” to “Yes”.

Establish a call between two phones

Press TRANSFER button on GXP1200

Select another line on GXP1200, call another phone and press SEND button

If the remote phone answers, press TRANSFER button on GXP1200 to transfer the call

NOTE: If there is no extra line available, GXP1200 will do the transfer as if Auto-attended transfer is disabled.

5-Way Conferencing

GXP can host conference calls and supports up to 5-way conference calling.

2.Initiate a Conference Call:

Establish a connection with two or more parties

Press CONF button

Choose the desired line to join the conference by pressing the corresponding LINE button.

Repeat previous two steps for all other parties that would like to join the conference. This can be done at any time. However, if a new call comes in, the other calls will be placed on hold and the host will have to individually re-join the held lines back into the conference by repeating the previous two steps again.

3.Cancel Conference: Canceling establishing conference call.

If after pressing the “CONF” button, a user decides not to conference anyone, press CONF again or the original LINE button.

This will resume two-way conversation.

4.End Conference:

Press HOLD to end the conference call and put all parties on hold;

To speak with an individual party, select the corresponding blinking LINE.

Grandstream Networks, Inc.	GXP User Manual	Page 21 of 44
	Firmware 1.2.5.3	Last Updated: 03/2011

GXP1200, GXP2000, GXP280/GXP285, GXP2020, GXP2010 specifications

The Grandstream Networks GXP2010 is a versatile and reliable SIP telephone designed for small to medium-sized businesses. With its robust feature set and user-friendly interface, the GXP2010 stands out in the world of IP telephony. This model accommodates the growing demand for efficient communication tools while blending seamlessly into various business environments.

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