Grandstream Networks GXP21XX PHONE FUNCTIONS DURING A PHONE CALL

Grandstream Networks, Inc. GXP21xx User Manual Page 17 of 41

Firmware version: 1.0.1.66 Last Updated: 05/2011

PHONE FUNCTIONS DURING A PHONE CALL

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 av ailable LINE to

place or receive another call. Call Waiting tone (stutter tone) audible w hen line is in use.

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

2. The “Line Status Indicator” will show “LINEx: SPEAKING” or “LINEx: MUT E” to indicate whether the

microphone is muted.

GXP21xx supports both Blind and Attended transfer. Also, users could make auto-attended transfer when

this feature is enabled from web GUI.

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 plac e 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 Succ essful” is displayed in the screen.

3. Auto-Attended Transfer: Users could enable Auto-Attended Transfer under Web GUI->Advanced

Setting Page. During the first call, press “ TRANSFER” hard button and it will bring up another line.

The first call will be on hold. Enter the number and press SEND key to establish the s econd call (If

pressing soft key “transfer” after entering the number, it will do blind transfer instead). After the

second call is established, press “TRANSFER” hard button again. N ow the phone will ha ng up and

the call will be transferred.

NOTE: To transfer calls across SIP domains, SIP service providers must s upport transfer across SIP

domains. Blind transfer will usually use the primary account SIP profile.

GXP21xx can host conference calls and supports up to 5-way conference c alling (Ex cludes GX P2100 wh ich

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 correspond ing LINE button

 Repeat previous two steps for all other parties that would like to j oin 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 individuall y re-join the held lines b ack into the conference by

repeating the previous two steps again