Grandstream Networks GXP1450 User manual

GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL
Grandstream Networks, Inc.
GXP2120/GXP2110/GXP2100/GXP1450
SIP Enterprise Phones

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 2 of 69
GXP2120/GXP2110/GXP2100/GXP1450 User Manual
Index
GNU GPL INFORMATION..........................................................................5
CHANGE LOG ...........................................................................................6
FIRMWARE VERSION 1.0.4.23............................................................................................................6
FIRMWARE VERSION 1.0.4.9..............................................................................................................6
WELCOME.................................................................................................7
PRODUCT OVERVIEW..............................................................................8
FEATURE HIGHTLIGHTS.....................................................................................................................8
GXP2120/GXP2110/GXP2100/GXP1450 TECHNICAL SPECIFICATIONS .........................................9
INSTALLATION........................................................................................12
EQUIPMENT PACKAGING .................................................................................................................12
CONNECTING YOUR PHONE ...........................................................................................................12
GXP2120/GXP2110 EXTENSION MODULE.......................................................................................13
SAFETY COMPLIANCES....................................................................................................................14
WARRANTY.........................................................................................................................................14
USING THE GXP2120/GXP2110/GXP2100/GXP1450.............................15
GETTING FAMILAR WITH THE LCD..................................................................................................15
GETTING FAMILAR WITH THE KEYPAD...........................................................................................20
MAKING PHONE CALLS.....................................................................................................................21
HANDSET, SPEAKER AND HEADSET MODE ...........................................................................21
MULTIPLE SIPACCOUNTS AND LINES.....................................................................................21
COMPLETING CALLS..................................................................................................................22
MAKING CALLS USING IP ADDRESSES...................................................................................24
ANSWERING PHONE CALLS ............................................................................................................25
RECEIVING CALLS......................................................................................................................25
DO NOT DISTURB.......................................................................................................................25
DURING A PHONE CALL....................................................................................................................26
CALL WAITING/CALL HOLD .......................................................................................................26
MUTE............................................................................................................................................26
CALL TRANSFER ........................................................................................................................26
5-WAY CONFERENCING ............................................................................................................27

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 3 of 69
VOICE MESSAGES (MESSAGE WAITING INDICATOR)...........................................................29
SHARED CALL APPEARANCE (SCA) ........................................................................................29
CALL FEATURES................................................................................................................................30
CUSTOMIZED LCD SCREEN & XML.................................................................................................31
CONFIGURATION GUIDE........................................................................33
CONFIGURATION VIA KEYPAD.........................................................................................................33
CONFIGURATION VIA WEB BROWSER ...........................................................................................37
DEFINITIONS......................................................................................................................................37
STATUS PAGE DEFINITIONS .....................................................................................................38
ACCOUNT PAGE DEFINITIONS .................................................................................................38
SETTINGS/BASIC SETTINGS PAGE..........................................................................................46
SETTINGS/ADVANCED SETTINGS PAGE.................................................................................53
NAT SETTINGS...................................................................................................................................60
WEATHER UPDATE............................................................................................................................61
PUBLIC MODE....................................................................................................................................62
EDITING CONTACTS AND CLICK-TO-DIAL ......................................................................................62
UPGRADING AND PROVISIONING ........................................................65
UPGRADE VIA KEYPAD MENU .........................................................................................................65
UPGRAGE VIAWEB GUI....................................................................................................................65
NO LOCAL TFTP/HTTP SERVERS ....................................................................................................66
CONFIGURATION FILE DOWNLOAD................................................................................................66
RESTORE FACTORY DEFAULT SETTINGS...........................................68
EXPERIENCING THE GXP2120/GXP2110/GXP2100/GXP1450..............69
Table of Tables
GXP2120/GXP2110/GXP2100/GXP1450 User Manual
Table 1: GXP2120/GXP2110/GXP2100/GXP1450 FEATURES IN A GLANCE............................................8
Table 2: GXP2120/GXP2110/GXP2100/GXP1450 COMPARISON GUIDE .................................................9
Table 3: GXP2120/GXP2110/GXP2100/GXP1450 TECHNICAL SPECIFICATIONS...................................9
Table 4: GXP2120/GXP2110/GXP2100/GXP1450 EQUIPMENT PACKAGING ........................................12
Table 5: GXP2120/GXP2110/GXP2100/GXP1450 CONNECTORS ..........................................................12

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 4 of 69
Table 6: LCD DISPLAY DEFINITIONS........................................................................................................15
Table 7: LCD ICONS...................................................................................................................................17
Table 8: KEYPAD DEFINITIONS ................................................................................................................20
Table 9: CALL FEATURES..........................................................................................................................30
Table 10: CONFIGURATION MENU...........................................................................................................33
Table of Figures
GXP2120/GXP2110/GXP2100/GXP1450 User Manual
Figure 1: GXP2120/GXP2110 Extension Board Connection......................................................................13
Figure 2: Keypad MENU Flow.....................................................................................................................36
Figure 3: Web GUI - Contacts.....................................................................................................................63
Figure 4: Click-to-Dial..................................................................................................................................64
GUI Interface Examples
GXP2120/GXP2110/GXP2100/GXP1450 User Manual
http://www.grandstream.com/products/gxp_series/general/documents/gxp21xx_gui.zip
1. Screenshot of Configuration Login Page
2. Screenshot of Status Page
3. Screenshot of Basic Setting Configuration Page
4. Screenshot of Advanced User Configuration Page
5. Screenshot of SIPAccount Configuration Page
6. Screenshot of Saved Configuration Changes Page
7. Screenshot of Reboot Page

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 5 of 69
GNU GPL INFORMATION
GXP2120/GXP2110/GXP2100/GXP1450 firmware contains third-party software licensed under the GNU
General Public License (GPL). Grandstream uses software under the specific terms of the GPL. Please
see the GNU General Public License (GPL) for the exact terms and conditions of the license.
Grandstream GNU GPL related source code can be downloaded from Grandstream web site from:
http://www.grandstream.com/support/faq/gnu_gpl.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 6 of 69
CHANGE LOG
This section documents significant changes from previous versions of user manuals for
GXP2120/GXP2110/GXP2100/GXP1450. Only major new features or major document updates are listed
here. Minor updates for corrections or editing are not documented here.
FIRMWARE VERSION 1.0.4.23
•Updated XMLApplication documentation link. [CUSTOMIZED LCD SCREEN & XML]
•Added "Use Privacy Header" and "Use P-Preferred-Identity Header" options in web GUI. [ACCOUNT
PAGE DEFINITIONS]
•Added Date Display Format options in web GUI. [SETTINGS/BASIC SETTINGS PAGE]
•Added "Use Phonebook Key for LDAP Search" option in web GUI. [SETTINGS/ADVANCED
SETTINGS PAGE]
•Added customize city code information for weather update feature. [WEATHER UPDATE]
•Updated generic config file cfg.xml information. [CONFIGURATION FILE DOWNLOAD]
FIRMWARE VERSION 1.0.4.9
•Added instructions for connecting the phone. [CONNECTING YOUR PHONE]
•Updated Keypad MENU options and Keypad configuration flow. [CONFIGURATION VIA KEYPAD]
•Added Line Key options Speed Dial, Dial DTMF, Call Return, Transfer, Voice Mail, Intercom, Call Park,
LDAP Search, and etc. [SETTINGS/BASIC SETTINGS PAGE]
•Added Multi Purpose Key options Voice Mail, Call Park, LDAP Search, and etc. [SETTINGS/BASIC
SETTINGS PAGE]
•Added IPv6 configuration options. [SETTINGS/BASIC SETTINGS PAGE]
•Added LDAP options information. [SETTINGS/ADVANCED SETTINGS PAGE]
•Added Public Mode information for hot desking feature. [PUBLIC MODE]
•Added NAT setting information. [NAT SETTINGS]
•Added Matching Incoming Caller ID function in Account Setting. [ACCOUNT PAGE DEFINITIONS]
•Added Editing Contacts and Click-to-Dial information. [EDITING CONTACTS AND CLICK-TO-DIAL]
•Added GNU GPL information. [GNU GPL INFORMATION]
•Added Change Log for this user manual. [CHANGE LOG]
•Merging GXP1450 User Manual content with GXP2120/GXP2110/GXP2100 User Manual.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 7 of 69
WELCOME
Thank you for purchasing Grandstream GXP2120/GXP2110/GXP2100/GXP1450 SIP Enterprise Phones.
Your Grandstream GXP2120/GXP2110/GXP2100/GXP1450 Enterprise IP phone is feature-enriched,
sophisticated, yet simple to use. It delivers superior HD audio quality, rich and leading edge telephony
features, personalized information and customizable application service, automated provisioning for easy
deployment, advanced security protection for privacy, and broad interoperability with most 3rd party SIP
devices and leading SIP/NGN/IMS platforms.
The GXP2120/GXP2110/GXP2100/GXP1450 supports a broad range of codecs, security protection, PoE,
dual 10/100mbps Ethernet ports, along with customizable XML provisioning and application
features. Users can expect superior audio quality using the new high definition handset, hands-free
speakerphone, or headset. Also, it can support up to 5-way conferencing for
GXP2120/GXP2110/GXP2100 and 3-way conferencing for GXP1450, multi-languages and dual-color
LEDs. The GXP2120/GXP2110/GXP2110 also supports presence and Busy Lamp Field (BLF) in the Multi
Purpose Keys. It presents a large easy-to-read backlit graphical display along with multiple XML keys to
further enhance the user experience. Additionally, the GXP2120/2110 is expandable with one to two
expansion modules.
The GXP2120/GXP2110/GXP2100/GXP1450 is a perfect choice for enterprise users looking for a high
quality, feature rich multi-line IP phone with the best values.
Caution:
Changes or modifications to this product not expressly approved by Grandstream, or operation of this
product in any way other than as detailed by this User Manual, could void your manufacturer warranty.
Warning:
Please do not use a different power adaptor with the GXP2120/GXP2110/GXP2100/GXP1450 as it may
cause damage to the products and void the manufacturer warranty.
This document is subject to change without notice. The latest electronic version of this user manual is
available for download here:
http://www.grandstream.com/support
Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, for
any purpose without the express written permission of Grandstream Networks, Inc. is not permitted.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 8 of 69
PRODUCT OVERVIEW
FEATURE HIGHTLIGHTS
Table 1: GXP2120/GXP2110/GXP2100/GXP1450 FEATURES IN A GLANCE
GXP2120
GXP2120 is an executive SIP phone. It features:
6 lines
7 programmable Multi Purpose Keys
4 XML programmable soft keys
GXP2110
GXP2110 is an executive SIP phone. It features:
4 lines
18 programmable Multi Purpose Keys
3 XML programmable soft keys
GXP2100
GXP2100 is an executive SIP phone. It features:
4 lines
7 programmable Multi Purpose Keys
3 XML programmable soft keys
GXP1450
GXP1450 is an executive SIP phone. It features:
2 lines
3 XML programmable soft keys

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 9 of 69
Table 2: GXP2120/GXP2110/GXP2100/GXP1450 COMPARISON GUIDE
Features GXP2120 GXP2110 GXP2100 GXP1450
LCD Display 320x160 pixel 240x120 pixel 180x90 pixel 180x60 pixel
Number of Lines 64 4 2
Programmable
Hard Keys 7 18 7 N/A
Programmable
Soft Keys 4 3 3 3
Extension Module Yes,
up to 2 Expansion
Modules,
56 nodes each
Yes,
up to 2 Expansion
Modules,
56 nodes each
N/A N/A
GXP2120/GXP2110/GXP2100/GXP1450 TECHNICAL SPECIFICATIONS
Table 3: GXP2120/GXP2110/GXP2100/GXP1450 TECHNICAL SPECIFICATIONS
Protocols and
Standards SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP
, ICMP, DNS
(A record, SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE,
TR-069, 802.1x, LLDP, IPv6, TLS, SRTP
SIP PUBLISH method (RFC3903), SIP Presence Package (RFC3856, 3863) for
use of MPKs, SIP Dialog Package (RFC4235), SIP Message method (RFC3428)
Note:
MPKs are not applicable for GXP1450.
Network Interfaces Dual switched 10/100Mbps port, integrated PoE
Graphic Display LCD size comparison:
GXP2120 GXP2110 GXP2100 GXP1450
320x160 pixel 240x120 pixel 180x90 pixel 180x60 pixel

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 10 of 69
Feature Keys Feature key comparison:
GXP2120 GXP2110 GXP2100 GXP1450
HOLD Yes Yes Yes Yes
SPEAKERPHONE Yes Yes Yes Yes
SEND Yes Yes Yes Yes
TRANSFER Yes Yes Yes Yes
CONF Yes Yes Yes Yes
MUTE Yes Yes Yes Yes
DND Yes Yes No No
HEADSET Yes Yes Yes Yes
INTERCOM Yes Yes Yes No
PHONEBOOK Yes Yes Yes Yes
MSG Yes Yes Yes Yes
MENU Yes Yes Yes Yes
NAVIGATION (4) Yes Yes Yes Yes
Voice Codec Support for G.723.1, G.729A/B, G.711u/a, G.726-32, G.722 (wide-band), iLBC,
in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Telephony Features Hold, transfer, forward, up to 5-way conference for GXP2120/GXP2110/GXP2100,
up to 3-way conference for GXP1450, call park, pickup, shared-call-appearance
(SCA)/bridged-line-appearance (BLA), downloadable phone book (XML, LDAP, up
to 2000 items for GXP2120/GXP2110/GXP2100, up to 500 items for GXP1450),
call waiting, call log (up to 2000 records for GXP2120/GXP2110/GXP2100, up to
500 records for GXP1450), XML customization of screen, off-hook auto dial, auto
answer, click-to-dial, flexible dial plan, hot desking, personalized music ringtones,
server redundancy and fail-over
HD Audio Yes, HD handset with support for wideband audio
Headset Jack 2.5mm and RJ9 headset jack
Base Stand Yes, 2-angle positions available
Wall Mountable Yes
Expansion Module GXP2120/GXP2110 only
QoS Layer 2 (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security User and administrator level passwords, MD5 and MD5-
sess based
authentication, 256-bit AES encrypted configuration file, TLS, SRTP, 802.1x media
access control

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 11 of 69
Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
Simplified Chinese, traditional Chinese, Korean, Japanese, and etc
Upgrade and
Provisioning Firmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-
069 or
AES encrypted XML configuration file
Power and Green
Energy Efficiency Universal power adapter:
Input: 100-240VAC 50-60Hz; Output: 5VDC, 800mA
Integrated Power-over-Ethernet (Built-in auto-sensing: Cisco and IEEE 802.3af
standard)
Max power consumption 2.5W (power adapter) or 3W (PoE)
Physical GXP2120 GXP2110 GXP2100 GXP1450
Dimension 251mm(W)
x 202mm(L)
x 77mm(H)
252mm (W)
x 210mm (L)
x 78mm (H)
222mm (W)
x 210mm (L)
x 93mm (H)
186mm (W)
x 210mm (L)
x 81mm (H)
Unit Weight 1.08KG 1.08KG 0.98KG 0.8KG
Package Weight 1.78KG 1.78KG 1.63KG 1.3KG
Operating
Temperature and
Humidity
32-104 oF / 0-40 oC, 10-90% (non-condensing)
Package Content GXP2120/GXP2110/GXP2100/GXP1450 phone, handset with cord,
base stand,
wall mount spacers, universal power supply, network cable, quick start guide
Compliance FCC Part 15 (CFR 47) Class B; EN55022 Class B, EN55024, EN61000-3-2,
EN61000-3-3, EN60950-1; AS/NZS CISPR 22 Class B, AS/NZS CISPR 24, RoHS;
UL 60950 (power adapter)

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 12 of 69
INSTALLATION
EQUIPMENT PACKAGING
Table 4: GXP2120/GXP2110/GXP2100/GXP1450 EQUIPMENT PACKAGING
Main Case Yes (1)
Handset Yes (1)
Phone Cord Yes (1)
Power Adaptor Yes (1)
Ethernet Cable Yes (1)
Phone Stand Yes (2)
Wall Mount Spacers Yes (2)
Quick Start Guide Yes (1)
CONNECTING YOUR PHONE
Table 5: GXP2120/GXP2110/GXP2100/GXP1450 CONNECTORS
Handset Port RJ9 handset connector port
Headset Port 2.5mm and RJ9 headset connector port
LAN Port 10/100Mbps RJ-45 port connecting to Ethernet, integrated PoE
PC Port 10/100Mbps RJ-45 port for PC connection
EXT Port Extension module connection port for GXP2120/GXP2110
Power Jack 5V DC Power connector port
To set up the GXP2120/GXP2110/GXP2100/GXP1450, follow the steps below:
1. Attach the phone stand or wall mount to the back of the phone where there are slots;
2. Connect the handset and main phone case with the phone cord;
3. Connect the LAN port of the phone to the RJ-45 socket of a hub/switch or a router (LAN side of the
router) using the Ethernet cable;
4. Connect the 5V DC output plug to the power jack on the phone; plug the power adapter into an
electrical outlet. If PoE switch is used in step 3, this step could be skipped;
5. The LCD will display provisioning or firmware upgrade information. Before continuing, please wait for
the date/time display to show up;

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 13 of 69
6. Using the keypad configuration menu or phone's embedded web server (Web GUI) by entering the IP
address in web browser, you can further configure the phone.
GXP2120/GXP2110 EXTENSION MODULE
GXP2120/2110 supports two extension units, providing up to 112 additional programmable extensions.
Each GXP Extension unit has 56 multi-purpose keys, dual color LEDs (red/green) and support BLF (Busy
Lamp Field) and Presence.
GXP2120/2110 Extension package contains:
•1 GXP Extension unit
•2 connection cables
GXP2120 with GXP Extension GXP Extension
Reverse side of connection with connection
plate
GXP2120/2110 has a special port on
the back
Figure 1: GXP2120/GXP2110 Extension Board Connection
Connect the first GXP EXT to the GXP2120/2110 using the connection cable found in the GXP Extension
package. The first GXP EXT draws power directly from the phone. Connect the second GXP Extension
unit using the connection plate and the connection cable. The GXP2120/2110 will automatically reboot and
power up the GXP Extensions. Grandstream recommends, though not required, to use a separate power
supply with the second GXP EXT.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 14 of 69
Note:
•Should your system lose power, please unplug your devices and power up the GXP2120/2110 first.
•Extension for GXP2120/2110 is the same for GXP2020/2010 models. However, GXP2120/2110 uses a
different-shaped connector for the special port (as shown above). Extension cables will be included
with the extension board.
•Extension for GXP2120/2110 does not support hot-swap. Once connected, user should reboot the
phone to ensure the set up will work correctly.
•GXP2120/2110 can drive 2 extension modules. Independent power adapters are not needed for
extension modules.
SAFETY COMPLIANCES
The GXP2120/GXP2110/GXP2100/GXP1450 phone complies with FCC/CE and various safety standards.
The GXP2120/GXP2110/GXP2100/GXP1450 power adapter is compliant with the UL standard. Use the
universal power adapter provided with the GXP2120/GXP2110/GXP2100/GXP1450 package only. The
manufacturer’s warranty does not cover damages to the phone caused by unsupported power adapters.
WARRANTY
If the GXP2120/GXP2110/GXP2100/GXP1450 phone was purchased from a reseller, please contact the
company where the phone was purchased for replacement, repair or refund. If the phone was purchased
directly from Grandstream, contact the Grandstream Sales and Service Representative for a RMA (Return
Materials Authorization) number before the product is returned. Grandstream reserves the right to remedy
warranty policy without prior notification.
Warning:
Use the power adapter provided with the phone. Do not use a different power adapter as this may damage
the phone. This type of damage is not covered under warranty.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 15 of 69
USING THE GXP2120/GXP2110/GXP2100/GXP1450
GETTING FAMILAR WITH THE LCD
GXP2120/GXP2110/GXP2100/GXP1450 has a dynamic and customizable screen. The screen displays
differently depending on whether the phone is idle or in use (active). The following table describes the
items displayed on the GXP2120/GXP2110/GXP2100/GXP1450 idle screen.
Table 6: LCD DISPLAY DEFINITIONS
DATE AND TIME Displays the current date and time. It can be synchronized with Internet time
servers.
LOGO Displays company logo/name. This logo/name can be customized via xml screen customization. The maximum size for logo name string is 26
characters in
English (approximately).
NETWORK STATUS Shows the status of network in the middle of the screen. It will indicate whether
the network is down or starting.
STATUS ICON Shows the status of the phone for registration status, call features and etc, using
icons as shown in the next table.
LINE STATUS
INDICATOR Displays the name of the account that is in use.
SOFTKEYS in Idle
Screen
The softkeys are context sensitive and will change depending on the status of
the phone. Typical functions assigned to softkeys are:
•SwitchSCR
Toggles between different idle screens: default idle screen, weather
information, stock information and currency information.
•ForwardAll
Unconditionally forwards the phone line (account 1) to another phone.
•MissedCalls
Shows up unanswered calls to this phone.
•Redial
Redials the last dialed number in idle screen when there is existed call log.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 16 of 69
Note:
If XML application is used for GXP2120/GXP2110/GXP2100, the softkey for
XML application will show up in the default idle screen as configured.
SOFTKEYS in Call
Screen
The softkeys are context sensitive and will change depending on the call status
of the phone.
•Redial
Redials the last dialed number after off hook when there is existed call log.
•Dial
Dials the call out after off hook and entering the number.
•Hold
Puts the current active call on hold.
•AnswerCall
Answers the incoming call when the phone is ringing.
•RejectCall
Rejects the incoming call when the phone is ringing.
•EndCall
Ends the active call.
•Transfer
Transfer softkey will show up after pressing TRAN button and entering
transfer target number. Press Transfer softkey to do blind transfer.
•Split
In auto-attended transfer mode, after establishing the second call, press Split
to quit transfer and go back to normal talking status.
•ConfCall
Conferences the active calls.
•ReConf
Re-establish the conference among the calls on hold.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 17 of 69
SPECIAL
SOFTKEYS
(Only for GXP2120/
GXP2110/GXP2100
when integrated
with GXE5024/5028)
Call Parking: Please refer to GXE5024/5028 Online User Manual for more
information.
•CallPark
When the phone dials out, the Call Park softkey will display on screen. To
park the call, press the "Call Park" softkey and select MPK to park the call.
•PickUp
When the phone goes off-hook, the Call Pickup softkey will display on
screen. To pick up the parked call, press the "Call Pickup" softkey.
Call Queue: Please refer to GXE5024/5028 Online User Manual for more
information.
•SignIn
Press this button to sign in to the call queue. Agent will be prompted in the
LCD display to select the call queue to join. Press MENU button on keypad
to select OK. Once the agent completely signs in, the agent will be brought
back to the main screen.
•SignOut
Press this button to sign out of the call queue. Press MENU button on
keypad to select OK. This will be displayed once the agent is signed in to the
call queue.
Table 7: LCD ICONS
DND Status.
OFF - Do Not Disturb disabled
ON - Do Not Disturb enabled
Call Forward All Status.
OFF - Call Forward All feature disabled
ON - Call Forward All feature enabled
Call Forward Busy Status.
OFF - Call Forward Busy feature disabled
ON - Call Forward Busy feature enabled

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 18 of 69
Call Forward No Answer Status.
OFF - Call Forward No Answer feature disabled
ON - Call Forward No Answer feature enabled
Call Forward All and Call Forward No Answer Status.
OFF - Call Forward All and Call Forward No Answer feature disabled
ON - Call Forward All and Call Forward No Answer feature enabled
Keypad Status.
OFF - keypad is unlocked
ON - keypad is locked
Enter Keypad Unlock Password.
Voicemail Status.
OFF - No new voicemail
ON - New voicemail
Instant Message.
OFF - No new instant message
ON - New instant message
Voice Mail and Instant Message.
OFF - No new instant message or voicemail
ON - New instant message and voicemail
Network Status.
OFF - Network connection is up
ON - Network connection is down
Missed Call Status.
OFF - No missed call
ON - New missed call
Save Call Record Status.
OFF - No saving call record activity
ON - The phone is writing the call records into the flash at the moment
Waiting For Response.
Please wait for the phone to response before the keypad entry
Handset Status.
OFF - handset on hook
ON - handset off hook

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 19 of 69
Speaker Status.
OFF - speaker off
ON - speaker on
Headset Status.
OFF - headset off
ON - headset on
Calling Out.
The phone is calling out
Calling In.
Phone is ringing with incoming call
Incoming Call.
The current call is an incoming call
Outgoing Call.
The current call is an outgoing call
Call Failed
Fail to establish call
SRTP Status.
OFF - SRTP is not used
ON - SRTP is used
MUTE Status.
OFF - No muted
ON - Muted
Call On Hold.
Call Active.
Conference Call.
Core Dump.
Core dump file can be downloaded from phone's Web GUI->Status page.

FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 20 of 69
GETTING FAMILAR WITH THE KEYPAD
The following table describes the buttons used on the GXP2120/GXP2110/GXP2100/GXP1450 keypad.
Table 8: KEYPAD DEFINITIONS
GXP21xx GXP1450 Definition
LINE KEYS Open or switch line.
HOLD Place active call on hold, or resume the call on hold.
SEND
Send/Redial.
•Send. Enter the digits and then press Send to dial out the
number;
•Redial. Redial when there is a previously dialed call.
TRANSFER TRANSFER Transfer an active call to another number.
CONF CONF Establish conference call with other parties.
MUTE Mute. Press to mute/unmute an active call.
HEADSET Headset.
DND
Do-Not-Disturb. Press to enable/disable DND feature.
For GXP2120/GXP2110, a dedicated DND button is available. For
GXP1450, MUTE button can be used as DND button when the phone
is in idle screen.
INTERCOM N/A Paging/Intercom the configured Intercom User ID.
NAVIGATION KEYS/MENU
Navigation Keys/Menu.
•Press the 4 navigation keys to move up/down/left/right;
•Press the round button in the center to enter Keypad
Configuration MENU when phone is in idle;
The round button "MENU" can also be used as ENTER key when in
Keypad Configuration.