Grandstream Networks GXP21XX User manual

Grandstream Networks, Inc.
GXP21xx SIP Enterprise Phones

Grandstream Networks, Inc. GXP21xx User Manual Page 1 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
TABLE OF CONTENTS
GXP21XX USER MANUAL
WELCOME .................................................................................................................................................................3
INSTALLATION.........................................................................................................................................................4
EQUIPMENT PACKAGING.............................................................................................................................................4
CONNECTING YOUR PHONE ........................................................................................................................................4
GXP2120/2110 EXTENSION UNIT...............................................................................................................................4
SAFETY COMPLIANCES................................................................................................................................................5
WARRANTY.................................................................................................................................................................6
PRODUCT OVERVIEW............................................................................................................................................7
USING THE GXP21XX SIP ENTERPRISE PHONE ...........................................................................................11
GETTING FAMILIAR WITH THE LCD..........................................................................................................................11
MAKING PHONE CALLS.............................................................................................................................................14
ANSWERING PHONE CALLS.......................................................................................................................................17
PHONE FUNCTIONS DURING A PHONE CALL .............................................................................................................18
CALL FEATURES........................................................................................................................................................21
CUSTOMIZED LCD SCREEN &XML.........................................................................................................................22
CONFIGURATION GUIDE ......................................................................................................................................22
CONFIGURATION VIA KEYPAD..................................................................................................................................23
CONFIGURATION VIA WEB BROWSER ......................................................................................................................26
SAVING THE CONFIGURATION CHANGES...................................................................................................................45
REBOOTING THE PHONE REMOTELY .........................................................................................................................45
SOFTWARE UPGRADE & CUSTOMIZATION..................................................................................................46
FIRMWARE UPGRADE THROUGH TFTP/HTTP..........................................................................................................46
CONFIGURATION FILE DOWNLOAD ...........................................................................................................................47
RESTORE FACTORY DEFAULT SETTING.......................................................................................................48
TABLE OF FIGURES
GXP21XX USER MANUAL
Figure 1: Connecting the GXP2120/2110 and the GXP Extension Board...................................... 5
Figure 2: Keypad GUI Flow........................................................................................................... 24
TABLE OF TABLES
GXP21XX USER MANUAL
Table 1: Equipment Packaging ....................................................................................................... 4
Table 2: GXP21xx Connectors ....................................................................................................... 4
Table 3: GXP21xx Product Models................................................................................................. 7
Table 4: GXP21xx Comparison Guide............................................................................................ 7
Table 5: GXP21xx Key Features in a Glance ................................................................................. 8

Grandstream Networks, Inc. GXP21xx User Manual Page 2 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
Table 6: GXP21xx Hardware Specifications ................................................................................... 8
Table 7: GXP21xx Technical Specifications ................................................................................... 9
Table 8: LCD Display Definition .................................................................................................... 11
Table 9: LCD Icons ....................................................................................................................... 12
Table 10: GXP21xx Keypad Buttons ............................................................................................ 13
Table 11: GXP21xx Call Features ................................................................................................ 21
Table 12: Key Pad Configuration Menu ........................................................................................ 23
Table 13: Device Configuration - Status ....................................................................................... 27
Table 14: Device Configuration – Settings/Basic Settings............................................................ 27
Table 15: Device Configuration – Settings /Advanced Settings ................................................... 31
Table 16: SIP Account Settings .................................................................................................... 37
GUI INTERFACE EXAMPLES
GXP21XX 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 SIP Account Configuration Page
6. Screenshot of Saved Configuration Changes Page
7. Screenshot of Reboot Page

Grandstream Networks, Inc. GXP21xx User Manual Page 3 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
Welcome
Your Grandstream GXP21xx Enterprise IP phone is feature-enriched, sophisticated, yet simple to use.
The GXP21xx 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 GXP21xx 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, multi-languages, dual-color LEDs, presence and Busy Lamp Field
(BLF). It presents a large easy-to-read backlit graphical display along with multiple XML keys to further
enhance the user experience. The GXP2120/2110 is also expandable with one to two expansion modules.
The GXP21xx 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 GXP21xx 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 from: 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.

Grandstream Networks, Inc. GXP21xx User Manual Page 4 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
Installation
EQUIPMENT PACKAGING
Table 1: Equipment Packaging
GXP2120 GXP2110 GXP2100
Main Case Yes Yes Yes
Handset Yes Yes Yes
Phone Cord Yes Yes Yes
Power Adaptor Yes Yes Yes
Ethernet Cable Yes Yes Yes
High Phone Stand Yes Yes Yes
Low Phone Stand Yes Yes No
Wall Mount Spacers (2) Yes Yes Wall Mount stand
CONNECTING YOUR PHONE
The connectors of the GXP21xx are located on the bottom of the device.
Table 2: GXP21xx Connectors
EXT Connect the GXP Extension unit directly to GXP2110/2120 using connection cable.
Draw power from PoE if provided by network (Not applicable on GXP2100).
PC 10/100Mbps RJ-45 ports for PC (downlink) connection.
LAN 10/100Mbps RJ-45 port for LAN (uplink) connection. Supports PoE (802.3af). Draws
power from either spare line or signal line.
Power Jack 5V DC power port; UL Certified.
Headset Jack RJ9 and 2.5mm.
Handset Jack RJ9.
GXP2120/2110 EXTENSION UNIT
GXP2120/2110 supports two (2) 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) 1 GXP Extension unit
2) 2 connection cables

Grandstream Networks, Inc. GXP21xx User Manual Page 5 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
Figure 1: Connecting the GXP2120/2110 and the GXP Extension
GXP2120 with GXP Extension GXP Extension
Reverse side of connection with connection
plate
GXP2120/2110 has a special port on
the back


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.
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.
S AFETY C OMPLIANCES
The GXP21xx complies with FCC/CE and various safety standards. The GXP21xx power adaptor is
compliant with the UL standard. Only use the universal power adaptor provided with the GXP21xx package.
The manufacturer’s warranty does not cover damages to the phone caused by unsupported power adaptors.

Grandstream Networks, Inc. GXP21xx User Manual Page 6 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
WARRANTY
If you purchased your GXP21xx from a reseller, please contact the company where you purchased your
phone for replacement, repair or refund. If you purchased the product directly from Grandstream, contact
your Grandstream Sales and Service Representative for a RMA (Return Materials Authorization) number
before you return the product. Grandstream reserves the right to remedy warranty policy without prior
notification.

Grandstream Networks, Inc. GXP21xx User Manual Page 7 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
Product Overview
Table 3: GXP21xx Product Models
Model Picture Overview
GXP2120
GXP2120 is an executive SIP phone. It features:
Six lines
Seven programmable hard keys
Four XML programmable soft keys
GXP2110
GXP2110 is an executive SIP phone. It features:
Four lines
Eighteen programmable hard keys
Three XML programmable soft keys
GXP2100
GXP2100 is an executive SIP phone. It features:
Four lines
Seven programmable hard keys
Three XML programmable soft keys
Table 4: GXP21xx Comparison Guide
Features GXP2120 GXP2110 GXP2100
LCD Display 320x160 pixel 240x120 pixel 180x90 pixel
Number of Lines 64 4
Programmable Hard Keys 7 18 7
Programmable Soft Keys 4 3 3
Extension Module Yes, up to 2 Expansion
Modules, 56 nodes each Yes, up to 2 Expansion Modules, 56 nodes each
N/A

Grandstream Networks, Inc. GXP21xx User Manual Page 8 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
Table 5: GXP21xx Key Features in a Glance
Features Benefits
Open Standards Compatible SIP RFC3261, TCP/IP/UDP, RTP, HTTP/HTTPS, ARP/RARP, ICMP,
DNS (A record, SRV and NAPTR), DHCP (both client and server),
PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, 802.1x, TR-069
Superb Audio Quality Advanced Digital Signal Processing (DSP), Silence Suppression, VAD,
CNG, AGC
Network Interfaces Dual 10/100mbps Ethernet ports with integrated PoE
Feature Rich Traditional voice features including caller ID, call waiting, hold, transfer,
forward, block, auto answer, off-hook dial
Advanced Features Multi-line support with dual-color LED, multi-party conferencing, line
extension interface, large backlit graphic LCD, 4 navigation keys,
dedicated buttons for hold, send/redial, speakerphone, headset, transfer,
conference (for up to 5 parties depending on model), mute, message, Do-
Not-Disturb, phone book, intercom
Advanced Functionality Customized downloadable ring-tones, SRTP, SIP over TLS, multi-
language support and XML enabled, adjustable positioning angles, wall
mountable, AES encryption, automatic multimedia service (eg., weather,
stock and currency information)
Table 6: GXP21xx Hardware Specifications
Model GXP2120 GXP2110 GXP2100
LAN Interface
(Ethernet ports) Two (2) 10/100 Mbps Full/Half Duplex Ethernet Switch with LAN and PC port with auto
detection
Graphic LCD
Display 320x160 pixel 240x120 pixel 180x90 pixel
Expansion
Module Support Yes No
Headset Jack 2.5mm and RJ9
Call Appearance
LED 13 Dual color (green/red)
22 Dual color (green/red) 11 Dual color (green/red)
Power over
Ethernet Built-in auto-sensing: Cisco and IEEE 802.3af standard
Universal
Switching Input: 100-240VAC 50-60
Hz
Input: 100-240VAC 50-60
Hz
Input: 100-240VAC 50-60
Hz
Power Adaptor Output: +5VDC, 800mA,
UL certified
Output: +5VDC, 800mA,
UL certified
Output: +5VDC, 800mA,
UL certified
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)
Weight 1.66KG (3.64lbs) 1.78KG (3.92lbs) 1.63KG (3.59lbs)
Temperature 32 –104° F/ 0 – 40°C

Grandstream Networks, Inc. GXP21xx User Manual Page 9 of 48
Firmware version: 1.0.1.110 Last Updated: 01/2012
Humidity 10% – 90% (non-condensing)
Compliance FCC / CE / C-Tick
Table 7: GXP21xx Technical Specifications
Lines Multiple direct lines with independent SIP accounts, programmable speed dial
keys, XML programmable soft-keys
Protocol Support Support SIP RFC3261, TCP/IP/UDP, RTP, HTTP/HTTPS, ARP/RARP, ICMP,
DNS (A record, SRV and NAPTR), DHCP (both client and server), PPPoE,
TELNET, TFTP, NTP, STUN, SIMPLE, 802.1x, TR-069
Support multiple SIP accounts
Support SIP PUBLISH method (RFC 3903), SIP Presence package (RFC
3856, 3863) for use of MFKs, SIP Dialog package (RFC 4235)
Support for SIP MESSAGE method (RFC 3428)
Display Backlit graphic LCD display, up to 8 level grayscale
Feature Keys
Feature keys on different models:
GXP2120 GXP2110 GXP2100
HOLD Yes Yes Yes
SPEAKERPHONE Yes Yes Yes
SEND Yes Yes Yes
TRANSFER Yes Yes Yes
CONF Yes Yes Yes
MUTE Yes Yes Yes
DND Yes Yes No
HEADSET Yes Yes Yes
INTERCOM Yes Yes Yes
PHONEBOOK Yes Yes Yes
MSG Yes Yes Yes
MENU Yes Yes Yes
NAVIGATION (4) Yes Yes Yes
Device Management NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed devices
including behind firewall/NAT
Auto/manual provisioning system, Web GUI Interface
Expansion interface, Address Book
Audio Features Full-duplex hands-free speakerphone, headset enabled
Advanced Digital Signal Processing (DSP)
Dynamic negotiation of codec and voice payload length
Support for G.723,1 (5.3/6.3K), G.729A/B, G.711 a/µ-law, G.726-32, G.722
(wide-band), and iLBC codecs
In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Silence Suppression, VAD (voice activity detection), CNG (comfort noise
generation), ANG (automatic gain control)
Acoustic Echo Cancellation (AEC) with Acoustic Gain Control (AGC) for
speakerphone mode, Support side tone
Adaptive jitter buffer control (patent-pending) and packet delay & loss