gTalk PBX GXP1620 User manual

© 2016 Genusys Inc. All rights reserved| gTalk PBX, www.gtalkpbx.com | Support no: [phone]
1
How to Use Grandstream GXP1620/1625 IP Phone
No
Features
Description
1.
Handset
Pick up to place or answer a call.
2.
Line keys
Indicates phone line status. When lit:
Green: Line is idle.
Red (steady): Line is active or in use.
Red (blinking): Line is on hold.
3.
Message Waiting Indicator
Displays solid red when you have a new voice mail
message.
4.
Soft-key buttons
Press a soft-key button to perform the action shown
on the label on the screen above.
5.
Messages button
Press to access voice mail.
6.
Navigation button
Press an arrow to scroll left, right, up, or down through
items shown on the screen.
gTalk® PBX USER GUIDE

© 2016 Genusys Inc. All rights reserved| gTalk PBX, www.gtalkpbx.com | Support no: [phone]
2
7.
Mute button
Press to mute or unmute the phone. When phone is
muted, the button glows green.
8.
Headset button
Push to turn the headset on or off. When the headset
is on, the button glows green.
9.
Conference button
Press to place a call on conference.
10.
Transfer button
Press to place call transfer.
11.
Speaker button
Push to turn the speaker on or off. When the speaker
is on, the button glows green.
12.
Volume button
Press + to increase the volume and - to lower the
volume of the handset, headset, speaker (when the
handset is off the phone), or ringer volume (when the
handset is on the phone).
13.
Keypad
Use to dial outbound calls, enter letters, and choose
menu items.
14.
Hold button
Press to place a call on hold.
15.
Phone directory
Press to access phone directory.
Receive/Hang up Incoming Calls
• Pick up the handset/Place it back.
• For hands free press the button or ‘Green Phone icon’, or press the ‘Answer’ (screen) button.
Ignore Incoming Call
Press ‘Reject’(screen) button.
Hold Incoming Call
Press button on phone. The top LHS Green button will start blinking.
Remove Hold
Press the top LHS blinking Green button.
Transferring a Call
• Press the button.
• Dial the extension number to transfer the call to and then Press #.
• Press when connected.
• Once the call is transferred simply hang up.

© 2016 Genusys Inc. All rights reserved| gTalk PBX, www.gtalkpbx.com | Support no: [phone]
3
Accessing Voice mail
To Access and Delete Voice Mail (the right corner button will be lit RED if there is a voice mail):
• Press the button or dial your own extension.
• Enter your voice mail pass code.
• To hear the voice mail press 1.
• To hear the old voice mail press 2.
• To delete voice mail press 3.
Call Forward
Activating Call Forwarding: Activate Call Forwarding feature whenever you want your calls to be
forwarded to another phone. Once activated, all incoming calls will be forwarded to the number you
specified.
• Dial *41 + Number + # - To forward incoming calls to a specific telephone number for any reason.
• Dial *42 + Number + # - To forward incoming calls to a specific telephone number when unreachable.
• Dial *43 + Number + # - To forward incoming calls to a specific telephone number after Ring-Timeout.
Deactivating Call Forwarding:
• Dial *44# - To cancel call Forwarding .
Note: You may also configure your Call Forwarding feature by login to your account panel.
Block Caller ID
This feature allows you to block your phone number along with your name i.e. CNAM information
associated with your phone number.
To set Block Caller ID: *31#
To remove: *32#
Note: You may also configure your Block Caller ID feature by login to your account panel.
Anonymous Call Block
With Anonymous Call Block, all incoming calls from unknown callers will hear a busy tone. So you may
no longer want to receive calls from the caller's phone numbers.

© 2016 Genusys Inc. All rights reserved| gTalk PBX, www.gtalkpbx.com | Support no: [phone]
4
Dial *33# -- To block anonymous calls.
Dial *34# -- To cancel anonymous call block.
Note: Also you may enable this feature by login on to your account panel.
Selective Call Blocking
This feature allows you to block incoming calls that you have placed on a list of phone numbers you wish
to be blocked.
Dial *35 + number# -- To add a specific telephone number to block list.
Dial *36 + number# -- To delete a specific telephone number from block list.
Note: Also you may configure this feature by login to your account panel. You may Add/Edit/Delete any
number which you want to block/unblock.
Speed Dial
A speed dial number is a numeric number to which a destination telephone number is pre-set by a
caller. This allows the caller to avoid dialing the full destination number. gTalk PBX providing 99 (1-99)
speed dial facility.
gTalk PBX provides 99 (1-99) Speed Dial facility. To set speed dial
01. Login to your gTalk PBX account
02. Go to Speed Dial under User Menu
Follow onscreen instructions to Add/Edit/Delete Speed Dial number.

© 2016 Genusys Inc. All rights reserved| gTalk PBX, www.gtalkpbx.com | Support no: [phone]
5
How to Install gTalk PBX Mobile App
With every Extension gTalk PBX offers a feature rich App compatible with Android and iPhone sets.
Android: To install gTalk PBX App for Android sets, download the App on your smart phone by
browsing the Google Play Store. Search for gTalk PBX, and then press Install. Once installed
enter Account ID, Extension and password to login gTalk PBX App.
iPhone: To install gTalk PBX App for iPhone sets download the App on your smart phone by
visiting the Apple Store, search for gTalk PBX, and then press Install. Once installed enter
Account ID, Extension and password to login gTalk PBX App.
Use of gTalk PBX Mobile App
Use of the gTalk mobile App is user friendly and intuitive.
Most of the functions of your gTalk IP Phone sets may be
performed by using gTalk Mobile App. Some of the
important functions are: Make or receive calls, check
voice mail or missed calls, set call receive preferences,
line preference, see extension directory and make direct
calls, make call using speed dial etc.