Grandstream Networks GXP2124 User manual

Grandstream Networks, Inc.
GXP2124 SIP Enterprise Phones

Grandstream Networks, Inc. GXP2124 User Manual_1.0.0.01 Page 2 of 38
TABLE OF CONTENTS
EQUIPMENT PACKAGING.............................................................................................................................................5
CONNECTING YOUR PHONE ........................................................................................................................................5
SAFETY COMPLIANCES................................................................................................................................................5
WARRANTY.................................................................................................................................................................6
GETTING FAMILIAR WITH THE LCD..........................................................................................................................11
MAKING PHONE CALLS.............................................................................................................................................14
ANSWERING PHONE CALLS.......................................................................................................................................17
PHONE FUNCTIONS DURING A PHONE CALL .............................................................................................................17
CALL FEATURES........................................................................................................................................................18
CUSTOMIZED LCD SCREEN &XML.........................................................................................................................19
CONFIGURATION VIA KEYPAD..................................................................................................................................19
CONFIGURATION VIA WEB BROWSER ......................................................................................................................23
SAVING THE CONFIGURATION CHANGES...................................................................................................................34
REBOOTING THE PHONE REMOTELY .........................................................................................................................34
FIRMWARE UPGRADE THROUGH TFTP/HTTP..........................................................................................................35
CONFIGURATION FILE DOWNLOAD ...........................................................................................................................36
TABLE OF FIGURES
GXP2124 USER MANUAL
Table 10: GXP2124 Keypad Buttons ............................................................................................ 13
Table 10: GXP2124 Keypad Buttons ............................................................................................ 13
Figure 3: Keypad GUI Flow............................................................................................................ 22
TABLE OF TABLES
GXP2124 USER MANUAL
Table 1: Equipment Packaging ....................................................................................................... 5
Table 2: GXP2124 Connectors ....................................................................................................... 5
Table 3: GXP2124 Product Models ................................................................................................. 7
Table 4: GXP2124 Comparison Guide............................................................................................ 7
Table 5: GXP2124 Key Features in a Glance................................................................................. 7
Table 6: GXP2124 Hardware Specifications................................................................................... 8
Table 7: GXP2124 Technical Specifications................................................................................... 8
Table 8: LCD Buttons.................................................................................................................... 11
Table 9: LCD Icons ....................................................................................................................... 11

Grandstream Networks, Inc. GXP2124 User Manual_1.0.0.01 Page 3 of 38
Table 11: GXP2124 Call Features ................................................................................................18
Table 12: Key Pad Configuration Menu ........................................................................................ 19
Table 13: Device Configuration - Status ....................................................................................... 24
Table 14: Device Configuration – Basic Settings.......................................................................... 24
Table 15: Advanced Settings ........................................................................................................ 25
Table 16: SIP Account Settings .................................................................................................... 30
GUI INTERFACE EXAMPLES
GXP2124 USER MANUAL
(http://www.grandstream.com/support/gxp_series/general/documents/gxp_gui.zip)
1. SCREENSHOT OF CONFIGURATION LOGIN PAGE
2. SCREENSHOT OF STATUS PAGE
3. SCREENSHOT OF BASIC SETTINGS CONFIGURATION PAGE
4. SCREENSHOT OF ADVANCED USER CONFIGURATION PAGE
5. SCREENSHOT OF SIP ACCOUNT CONFIGURATION
6. SCREENSHOT OF SAVED CONFIGURATION CHANGES
7. SCREENSHOT OF REBOOT PAGE

Grandstream Networks, Inc. GXP2124 User Manual_1.0.0.01 Page 4 of 38
Welcome
Your Grandstream GXP2124 IP phone features a new sophisticated design and is very easy to use. The
GXP22124 combines advanced feature functionality with the latest technology to offer excellent audio
quality, ease of use, expandability, and broad interoperability with 3rd party SIP platforms. It is ideal for
the enterprise customer.
The GXP2124 supports a broad range of codecs, security protection, PoE, dual 10/100mbps Ethernet
ports and are very easy to manage. Delivers superior audio quality using a handset, hands-free
speakerphone or headset and supports multi-party conferencing, multi-languages, dual-color LEDs,
presence and BLF. Large easy-to-read backlit graphical displays with multiple XML keys further enhance
the user experience. GXP2124 are expandable with two expansion module (pending for software).
The series is based on SIP standard and are interoperable with most 4rd party SIP platforms and open-
source platforms.
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 GXP2124 as it may cause damage to
the products and void the manufacturer warranty.
•This document is contains links to Grandstream GUI Interfaces. Please download these examples
from http://www.grandstream.com/support/gxp_series/general/documents/gxp_gui.zip for your
reference.
•This document is subject to change without notice. The latest electronic version of this user manual
is available for download @:
http://www.grandstream.com/support/gxp_series/general/documents/gxp_usermanual_english.pdf
•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. GXP2124 User Manual_1.0.0.01 Page 5 of 38
Installation
EQUIPMENT PACKAGING
Table 1: Equipment Packaging
GXP-2124
Main Case Yes
Handset Yes
Phone Cord Yes
Power Adaptor Yes
Ethernet Cable Yes
High Phone Stand Yes
Low Phone Stand Yes
Wall Mount Spacers (2) Yes
CONNECTING YOUR PHONE
The connectors of the GXP2124 are located on the bottom of the device
Table 2: GXP2124 Connectors
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 RJ22
Handset Jack RJ11
NOTE: 1. Extension for GXP2124 does not support hot-swap. Once connected, user should reboot the
phone to ensure the set up will work correctly.
SAFETY COMPLIANCES
The GXP2124 phone complies with FCC/CE and various safety standards. The GXP2124 power adaptor is
compliant with the UL standard. Only use the universal power adaptor provided with the GXP2124 package.
The manufacturer’s warranty does not cover damages to the phone caused by unsupported power adaptors.

Grandstream Networks, Inc. GXP2124 User Manual_1.0.0.01 Page 6 of 38
WARRANTY
If you purchased your GXP2124 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. GXP2124 User Manual_1.0.0.01 Page 7 of 38
Product Overview
Table 3: GXP2124 Product Models
Model Picture Overview
GXP-2124
GXP2124 is an executive SIP phone. It
features:
y4 lines
y24 programmable hard keys
y8 XML programmable soft keys
Table 4: GXP2124 Comparison Guide
Features GXP-2124
LCD Display 240x120 pixel
Number of Lines 4
Programmable Hard Keys 24
Soft Keys 8
Extension Module No
Table 5: GXP2124 Key Features in a Glance
Features Benefits
Open Standards Compatible SIP 2.0, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP,
DNS (A record and SRV), DHCP (both client and server), PPPoE,
TFTP, NTP, Telnet, and TLS.
Superb Audio Quality Advanced Digital Signal Processing (DSP), Silence suppression,
VAD, CNG, AGC.
Network Interfaces Dual 10/100mbps Ethernet ports, headset jack (RJ22 and/or 2.5mm
jack).
Feature Rich Traditional voice features including caller ID, call waiting, hold,
transfer, forward, block, autodial, off-hook dial, and click to dial.
Advanced Features Multi-line support with dual-color LED, multi-party conferencing, line
extension interface, large back-litgraphic LCD, 5 or 3 navigation keys,
dedicated buttons for hold, send, speakerphone, headset, transfer,
conference (for up to 5 parties depending on model), mute, message,
Do-not-disturb, phone book, intercom/paging.
Advanced Functionality Custom down-loadable ring-tones, SRTP, SIP over TLS, multi-
language support and XML enabled, adjustable positioning angles,
wall mountable, AES encryption.

Grandstream Networks, Inc. GXP2124 User Manual_1.0.0.01 Page 8 of 38
Table 6: GXP2124 Hardware Specifications
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
GXP-2124
240x120
pixel
Expansion Module Support
GXP-2124
N0
Headset Jack
GXP-2124
EHS and
RJ22
Call Appearance LED
Dual color (green/red)
GXP-2124
32
Power over Ethernet Built-in auto-sensing: Cisco and IEEE 802.3af standard: phone
draws power from both spare lines or signal lines from Ethernet
Universal Switching Input: 100-240VAC 50-60 Hz
Power Adaptor Output: +5VDC, 800mA, UL certified
Dimension
GXP-2124 251mm(l) x 202mm(w) x 77mm(h)
Weight
GXP-2124
0.86kg
(3.64lbs)
Temperature 32 –104° F/ 0 – 40°C
Humidity 10% – 90% (non-condensing)
Compliance FCC / CE / C-Tick
Table 7: GXP2124 Technical Specifications
Lines Multiple direct lines with independent SIP accounts, programmable speed dial keys,
XML programmable soft-keys.

Grandstream Networks, Inc. GXP2124 User Manual_1.0.0.01 Page 9 of 38
Protocol
Support Support SIP 2.0, TCP/UDP/IP, PPPoE, RTP/RTCP, SRTP by SDES, HTTP,
ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SIMPLE/PRESENCE protocols
Support multiple SIP accounts and up to 11 media channels concurrently
Support SIP PUBLISH method (RFC 3903), SIP Presence package (RFC 3856,
3863) for use of 7 MFKs, SIP Dialog package (RFC 4235)
Support for SIP MESSAGE method (RFC 3428)
Stores up to 100 incoming IM messages (drops IM message 101 plus)
Display Back-lit graphic LCD display.
Feature Keys
GXP-2124
HOLD Yes
SPEAKERPHONE Yes
SEND Yes
TRANSFER Yes
CONF Yes
MUTE Yes
DND Yes
HEADSET Yes
INTERCOM Yes
PHONEBOOK Yes
MSG Yes
MENU Yes
NAVIGATION (4) Yes
Device
Management
NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed devices
including behind firewall/NAT
Auto/manual provisioning system, GUI Interface
Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
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), GSM 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 concealment
Telephony
Features Intuitive graphic user interface (GUI), downloadable phone book (XML, LDAP),
support for anonymous call using privacy header, MLS (multi language support)
Voice mail indicator, downloadable custom ring-tones, call hold, call transfer
(attended/blind), call forward, call waiting, caller ID, mute, redial, call log, caller ID
display or block, Do-Not-Disturb (DND) and volume control
Multi-party conferencing (up to 4), dial plan prefix, off-hook auto dial, auto answer,
early dial and speed dial (on some models)
Network and
Provisioning Via keypad/LCD, Web browser, or secure (AES encrypted) central configuration file,
manual or dynamic host configuration protocol (DHCP) network setup

Grandstream Networks, Inc. GXP2124 User Manual_1.0.0.01 Page 10 of 38
Support NAT traversal using IETF STUN and Symmetric RTP
Support for IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS
Firmware
Upgrades Support firmware upgrade via TFTP or HTTP,
Support for Authenticating configuration file before accepting changes
User specific URL for configuration file and firmware files
Advanced
Server Features Message waiting indication, support DNS SRV Look up and SIP Server Fail Over, Support customizable idle screen via downloading XML by HTTP/TFTP
Security DIGEST authentication and encryption using MD5 and MD5-sess, SRTP, SIP over
TLS