User's Manual

Grandstream Networks, Inc. GXP1100/1105 User Manual Page 9 of 28

Firmware version: 1.1 Last Updated: 06/2011

Do Not Disturb

1. Press the MUTE button and scroll down to “Preference”.

2. Select “Do Not Disturb” by pressing menu button.

3. Use arrow keys to either enable or disable “Do Not Disturb” feature.

4. When enabled, there will be a special ‘Do Not Disturb” icon appearing on the display. This will send

the incoming caller directly to voicemail.

HONE 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: TALKING” or “LINEx: MUTE” to indicate whether the

microphone is muted.

Call Transfer

GXP1100/1105 supports both Blind and Attended transfer:

1. Blind Transfer: Press “TRANSFER” button, then dial the number and press the # 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 the call is transferred.

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

domains.

3-Way Conferencing

GXP1100/1105 can host conference calls and supports up to 3-way conference calling.

1. Initiate a Conference Call:

 Establish a connection with two parties

 Press CONF button

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

2. Cancel Conference:

 If after pressing the “CONF” button, a user decides not to conference anyone, press HOLD

or the original LINE button

 This will resume two-way conversation

3. End Conference: