Grandstream Networks GXP21XX Call Waiting/ Call Hold, Mute, Call Transfer, Way Conferencing

PHONE FUNCTIONS DURING A PHONE CALL

Call Waiting/ Call Hold

1.Hold: Place a call on hold by pressing the “HOLD” button.

2.Resume: Resume call by pressing the corresponding blinking LINE.

3.Multiple Calls: Automatically place ACTIVE call on “HOLD” by selecting another available LINE to place or receive another call. Call Waiting tone (stutter tone) audible when line is in use.

Mute

1.Press the MUTE button to enable/disable muting the microphone.

2.The “Line Status Indicator” will show “LINEx: SPEAKING” or “LINEx: MUTE” to indicate whether the microphone is muted.

Call Transfer

GXP21xx supports both Blind and Attended transfer:

1.Blind Transfer: Press “TRANSFER” button, then dial the number and press the “SEND” button to complete transfer of active call.

2.Attended Transfer: Press “LINEx” button to make a call and automatically place the ACTIVE LINE on HOLD. Once the call is established, press “TRANSFER” 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.

NOTE: To transfer calls across SIP domains, SIP service providers must support transfer across SIP domains. Blind transfer will usually use the primary account SIP profile.

5-Way Conferencing

GXP21xx can host conference calls and supports up to 5-way conference calling (Excludes GXP2100 which supports up to 4-way).

1.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

2.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

3.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.	GXP21xx User Manual	Page 17 of 41
	Firmware version: 1.0.1.66	Last Updated: 05/2011