Grandstream Networks GS-GXP1610 User manual

Grandstream Networks, Inc.
GXP1610/GXP1615
GXP1620/GXP1625
GXP1628/GXP1630
Small Business IP Phone
User Guide

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GXP16XX User Guide
Version 1.0.7.18
COPYRIGHT
©2021 Grandstream Networks, Inc. http://www.grandstream.com
All rights reserved. Information in this document is subject to change without notice. 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.
The latest electronic version of this guide is available for download here:
http://www.grandstream.com/support
Grandstream is a registered trademark and Grandstream logo is trademark of Grandstream Networks, Inc.
in the United States, Europe, and other countries.
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 guide, could void your manufacturer warranty.
WARNING
Please do not use a different power adaptor with devices as it may cause damage to the products and void
the manufacturer warranty.

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GXP16XX User Guide
Version 1.0.7.18
GNU GPL INFORMATION
GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630 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-general-public-license/gnu-gpl-information-download

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GXP16XX User Guide
Version 1.0.7.18
DOCUMENT PURPOSE
This document describes how to configure GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630
features via phone’s LCD menu and Web GUI menu. The intended audiences of this document are phone
administrators.
To learn the basic functions of GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630, please visit
http://www.grandstream.com/support to download the latest “GXP16XX series User Guide”.

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GXP16XX User Guide
Version 1.0.7.18
Table of Content
DOCUMENT PURPOSE.................................................................................................3
CHANGE LOG................................................................................................................8
Firmware Version 1.0.7.18.....................................................................................................................8
Firmware Version 1.0.7.13.....................................................................................................................8
Firmware Version 1.0.7.6.......................................................................................................................8
Firmware Version 1.0.7.3.......................................................................................................................8
Firmware Version 1.0.5.3.......................................................................................................................8
Firmware Version 1.0.4.152...................................................................................................................8
Firmware Version 1.0.4.140...................................................................................................................8
Firmware Version 1.0.4.132...................................................................................................................8
Firmware Version 1.0.4.128...................................................................................................................8
Firmware Version 1.0.4.106...................................................................................................................9
Firmware Version 1.0.4.100...................................................................................................................9
Firmware Version 1.0.4.88.....................................................................................................................9
Firmware Version 1.0.4.82.....................................................................................................................9
Firmware Version 1.0.4.67.....................................................................................................................9
Firmware Version 1.0.4.65.....................................................................................................................9
Firmware Version 1.0.4.56.....................................................................................................................9
Firmware Version 1.0.4.46.....................................................................................................................9
Firmware Version 1.0.4.33.....................................................................................................................9
Firmware Version 1.0.4.22...................................................................................................................10
Firmware Version 1.0.4.17...................................................................................................................10
Firmware Version 1.0.4.6.....................................................................................................................10
Firmware Version 1.0.3.28...................................................................................................................10
Firmware Version 1.0.3.6.....................................................................................................................10
Firmware Version 1.0.2.29...................................................................................................................10
Firmware Version 1.0.2.26...................................................................................................................11

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GXP16XX User Guide
Version 1.0.7.18
Firmware Version 1.0.2.24...................................................................................................................11
Firmware Version 1.0.2.22...................................................................................................................11
Firmware Version 1.0.2.6.....................................................................................................................11
Firmware Version 1.0.2.4.....................................................................................................................11
Firmware Version 1.0.1.14...................................................................................................................11
Firmware Version 1.0.1.10...................................................................................................................11
GUI INTERFACE EXAMPLES......................................................................................12
WELCOME ...................................................................................................................13
PRODUCT OVERVIEW ................................................................................................15
Feature Highlights (GXP1610/GXP1615/GXP1620/GXP1625/GXP1628)..........................................15
Feature Highlights (GXP1630).............................................................................................................15
GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630 Technical Specifications ..................16
INSTALLATION ............................................................................................................22
Equipment Packaging..........................................................................................................................22
Connecting Your Phone .......................................................................................................................22
Stand Installation .................................................................................................................................23
Wall Mount Installation.........................................................................................................................24
Safety Compliances .............................................................................................................................25
Warranty...............................................................................................................................................25
GETTING TO KNOW THE GXP16XX SERIES ............................................................27
Idle Screen...........................................................................................................................................27
Using the Keypad.................................................................................................................................30
Characters Input ..................................................................................................................................32
Making Phone Calls.............................................................................................................................32
Handset, Speaker and Headset Mode .........................................................................................32
SIP Accounts and Lines................................................................................................................33
Completing Calls...........................................................................................................................33
Making Calls Using IP Addresses.................................................................................................35

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GXP16XX User Guide
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Quick IP Call Mode .......................................................................................................................36
Answering Phone Calls........................................................................................................................37
Receiving Calls .............................................................................................................................37
Do Not Disturb ..............................................................................................................................37
During a Phone Call.............................................................................................................................37
Call Recording ..............................................................................................................................37
Call Waiting/Call Hold ...................................................................................................................38
Mute ..............................................................................................................................................38
Group Listening with Speaker ......................................................................................................38
Call Transfer .................................................................................................................................38
Conferencing ................................................................................................................................39
Voicemail..............................................................................................................................................41
Shared Call Appearance (SCA) ...........................................................................................................41
Call Features........................................................................................................................................42
GDS37xx OpenDoor Key Support .......................................................................................................44
Configuration to Open door in idle state: .............................................................................................44
CONNECTING TO DEVICES........................................................................................46
EHS Headset .......................................................................................................................................46
RESTORE FACTORY DEFAULT SETTINGS ...............................................................47
Restore to Factory Default via LCD Menu...........................................................................................47
Restore to Factory Default via Web GUI .............................................................................................47
EXPERIENCING THE GXP16XX SERIES....................................................................48

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GXP16XX User Guide
Version 1.0.7.18
Table of Tables
Table 1: GXP1610/GXP1615 Technical Specifications...............................................................................16
Table 2: GXP1620/GXP1625 Technical Specifications...............................................................................17
Table 3: GXP1628 Technical Specifications................................................................................................18
Table 4: GXP1630 Technical Specifications................................................................................................20
Table 5: GXP16XX Equipment Packaging ..................................................................................................22
Table 6: GXP16XX Connectors...................................................................................................................23
Table 7: LCD Display Definitions.................................................................................................................27
Table 8: GXP16XX LCD Icons ....................................................................................................................29
Table 9: GXP16XX Front View Definitions ..................................................................................................30
Table 10: GXP16XX Call Features..............................................................................................................42
Table of Figures
Figure 1: GXP16xx Back View (Use GXP162x as an example) .................................................................22
Figure 2: GXP16xx Stand Installation .........................................................................................................23
Figure 3: GXP16xx Wall Mount installation.................................................................................................24
Figure 4: GXP16xx Idle Screen ..................................................................................................................27
Figure 5: GXP16xx Front View (GXP162x as example) .............................................................................30
Figure 6: OpenDoor Request......................................................................................................................44
Figure 7: Configuring GDS OpenDoor MPK ...............................................................................................45

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GXP16XX User Guide
Version 1.0.7.18
CHANGE LOG
This section documents significant changes from previous versions of user manuals for
GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630. Only major new features or major
document updates are listed here.
Firmware Version 1.0.7.18
No major changes.
Firmware Version 1.0.7.13
No major changes.
Firmware Version 1.0.7.6
No major changes.
Firmware Version 1.0.7.3
Added Two accounts support on GXP1610/1615. [Table 1: GXP1610/GXP1615 Technical
Specifications]
Firmware Version 1.0.5.3
No major changes.
Firmware Version 1.0.4.152
No major changes.
Firmware Version 1.0.4.140
Added Support for Ukrainian language and input.
Added ability to open door in idle stage for GDS integration. [Open door in idle state]
Firmware Version 1.0.4.132
Increased phonebook limit to 1000 entries. [PRODUCT OVERVIEW]
Firmware Version 1.0.4.128
Added support for more characters in password input from LCD including <, >, ?, {, }, [, ], ^ using
number key 1.

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GXP16XX User Guide
Version 1.0.7.18
Added support for Group Listening softkey. [Group Listening with Speaker]
Added support for RTCP-XR. [GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630
Technical Specifications]
Updated phonebook string in LCD and Web UI to “Contacts”.
Firmware Version 1.0.4.106
No major changes.
Firmware Version 1.0.4.100
No major changes.
Firmware Version 1.0.4.88
No major changes.
Firmware Version 1.0.4.82
Added HTTP/HTTPS Username/Password configuration on LCD menu for firmware upgrading and
provisioning.
Firmware Version 1.0.4.67
No major changes.
Firmware Version 1.0.4.65
Added Opendoor Action Softkey support for GDS integration [GDS37xx OpenDoor Key Support]
Firmware Version 1.0.4.56
No major changes.
Firmware Version 1.0.4.46
No major changes.
Firmware Version 1.0.4.33
Added support of confirmation message to reboot the phone.
Added support to remember the headset mode after being set and reboot.

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GXP16XX User Guide
Version 1.0.7.18
Firmware Version 1.0.4.22
Added ability to perform a quick search and create new contact using Czech characters.
Added ability to perform a quick search and create new contact using Russian characters.
Added ability to lock settings on phone.
Added ability to adjust ringtone level from web GUI.
Added configurable web access port.
Added ability to configure record button. [Call Recording]
Firmware Version 1.0.4.17
Added dial soft key on LCD screen. [Dial]
Added ability to displays more characters for account name on LCD display.
Added ability to hide web access mode and disable SSH from LCD menu under constraint mode.
Add support for Latvian Language.
Update Polish language.
Firmware Version 1.0.4.6
Added ability to customize the system softkey.
Added ability to hide system softkey on main screen.
Added supports of configurable User Agent field.
Firmware Version 1.0.3.28
Added option to disable recovery on blind transfer.
Added call-pickup barge-in code.
Added options to hide remote user ID based on both call type and length.
Added option to set Broadsoft contacts download interval.
Firmware Version 1.0.3.6
Added G723.1 and iLBC codecs support.
Added Event Notification.
Added options to specify Broadsoft XSI authentication method.
Firmware Version 1.0.2.29
Added DHCP option 150/160 support.

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GXP16XX User Guide
Version 1.0.7.18
Firmware Version 1.0.2.26
Added ability to filter characters from dial numbers.
Firmware Version 1.0.2.24
Web logo and style changed.
Firmware Version 1.0.2.22
Added DHCP Option 125 support.
Firmware Version 1.0.2.6
Enabled/Disabled Broadsoft Call Park subscribe.
Separate Firmware/Config’s upgrade via, HTTP/HTTPS username, and HTTP/HTTPS password.
Firmware Version 1.0.2.4
Ignore Alert-Info Header.
Validate Certification Chain.
Bypass Dial Plan through Call History and Directories.
Firmware Version 1.0.1.14
Backup Outbound Proxy.
Enable OPTIONS Keep Alive.
OPTIONS Keep Alive Interval.
OPTIONS Keep Alive Max Lost.
Firmware Version 1.0.1.10
This is the initial version.

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GXP16XX User Guide
Version 1.0.7.18
GUI INTERFACE EXAMPLES
http://www.grandstream.com/sites/default/files/Resources/gxp16xx_web_gui.zip
1. Screenshot of Login Page.
2. Screenshots of Status Pages.
3. Screenshots of Accounts Pages.
4. Screenshots of Settings Pages.
5. Screenshots of Network Pages.
6. Screenshots of Maintenance Pages.
7. Screenshots of Contacts Pages.

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GXP16XX User Guide
Version 1.0.7.18
WELCOME
Thank you for purchasing Grandstream Small Business IP phone GXP1610/GXP1615/GXP1620/
GXP1625/GXP1628/GXP1630. GXP16xx series is a next generation small-to-medium business IP phone:
the GXP1620/GXP1625 features 2 lines with 2 SIP accounts, superior HD wideband audio, 132 x 48 backlit
graphical LCD; the GXP1610/GXP1615 supports 2 lines with 2 SIP accounts, 132 x 48 graphical LCD;
GXP1630 supports 3 lines with 3 SIP accounts, 132x64 backlit graphical LCD. The GXP1610/GXP1615/
GXP1620/GXP1625/GXP1628/GXP1630 delivers rich features of 3 XML programmable context-sensitive
softkeys, dual network ports with PoE (GXP1615 / GXP1625 / GXP1628 / GXP1630 only), EHS (Electronic
Hook-Switch) with Plantronics headsets, 3-ways conference on GXP1610/GXP1615/GXP1620/GXP1625/
GXP1628 and up to 4-way conference on GXP1630, superb full-duplex hands-free speakerphone with
advanced acoustic echo cancellation, advanced security protection for privacy, and compatible with
Grandstream UCM Features. It is a perfect choice for small-to-medium businesses looking for a high quality,
feature rich IP phone with affordable cost.

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GXP16XX User Guide
Version 1.0.7.18
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 GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/
GXP1630 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.
FCC Caution:
Any Changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.

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GXP16XX User Guide
Version 1.0.7.18
PRODUCT OVERVIEW
Feature Highlights (GXP1610/GXP1615/GXP1620/GXP1625/GXP1628)
132*48-pixel backlit graphical LCD display (GXP1610/GXP1615 do not support backlit).
2 dual-color line keys, 3 XML programmable context-sensitive soft keys, 8 BLF keys (GXP1628
only), 3-way conference, multi-language support.
HD wideband audio (GXP1620/GXP1625/GXP1628 only), superb full-duplex hands-free
speakerphone with advanced acoustic echo cancellation and excellent double-talk performance.
Large phonebook (up to 1000 contacts) and call history (up to 200 records).
Automated personal information service (e.g., local weather, etc.), personalized music ring
tone/ring back tone, flexible customizable screen content & format using XML, and advanced Web
and enterprise applications, local weather service.
Dual switched 10/100 Mbps ports on GXP1610/GXP1615/GXP1620/GXP1625, dual switched auto-
sensing 10/100/1000 Mbps Ethernet ports on GXP1628, integrated PoE on
GXP1615/GXP1625/GXP1628.
Automated provisioning using TR-069 or encrypted XML configuration file, SRTP and TLS for
advanced security protection, 802.1x for media access control.
Perfectly compatible with Grandstream UCM Features.
Innovative UI design (easy and useable multi-language support).
Use with Grandstream UCM6xxx series IP PBX appliance for Zero-Config provisioning, 1-touch call
recording and more.
Feature Highlights (GXP1630)
132*64-pixel backlit graphical LCD display.
3 dual-color line keys, 3 XML programmable context-sensitive soft keys, 8 BLF keys, 4-way
conference, multi-language support.
HD wideband audio, superb full-duplex hands-free speakerphone with advanced acoustic echo
cancellation and excellent double-talk performance.
Large phonebook (up to 1000 contacts) and call history (up to 200 records).
Automated personal information service (e.g., local weather, etc.), personalized music ring
tone/ring back tone, flexible customizable screen content & format using XML, and advanced Web
and enterprise applications, local weather service.
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports with integrated PoE.

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GXP16XX User Guide
Version 1.0.7.18
Automated provisioning using TR-069 or encrypted XML configuration file, SRTP and TLS for
advanced security protection, 802.1x for media access control.
Perfectly compatible with Grandstream UCM Features.
Innovative UI design (easy and useable multi-language support).
Use with Grandstream UCM6xxx series IP PBX appliance for Zero-Config provisioning, 1-touch call
recording and more.
GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630 Technical
Specifications
Table 1: GXP1610/GXP1615 Technical Specifications
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS,
FTP/FTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE,
SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS,
SRTP
Network Interfaces
Dual switched 10/100 Mbps ports, integrated PoE (GXP1615 only)
Graphic Display
132*48 LCD display
Feature Keys
2 line keys with dual-color LED and 2 SIP accounts. 3 XML programmable
context sensitive soft keys. 5 (navigation, menu) keys. 13 dedicated function
keys for PAGE/INTERCOM, PHONEBOOK, MESSAGE, HOME, HOLD,
RECORD, MUTE, HEADSET, TRANSFER, CONFERENCE, SEND and
REDIAL, SPEAKERPHONE, VOLUME
Voice Codecs
Support for G.711µ/a, G.722 (wide-band), G.723.1, G.726-32, G.729 A/B,
iLBC, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO)
Telephony Features
Hold, transfer, forward (unconditional/no-answer/busy), 3-way conference,
call park/pickup, downloadable phone book (XML, LDAP, up to 1000 items),
call waiting, call history (up to 200 records), off-hook auto dial, auto answer,
click-to-dial, flexible dial plan, Hot Desking, personalized music ringtones,
server redundancy & fail-over
Headset Jack
RJ9 headset jack (allowing EHS with Plantronics headsets)
Base Stand
Yes, allow 2 angle positions available, Wall Mountable
QoS
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level access control, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS,
802.1x media access control

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GXP16XX User Guide
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Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
simplified and traditional Chinese, Korean, Japanese, and more
Upgrade/Provisioning
Firmware upgrade via TFTP / HTTP / FTP/FTPS /HTTPS, mass provisioning
using TR-069 or AES encrypted XML configuration file
Power & Green Energy
Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA
Temperature and
Humidity
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10% to 90% Non-condensing
Physical
Dimension: 209mm（L）x 184.5mm（W）x 76.2mm（H） (with handset)
Unit Weight: 0.74kg Package Weight: 1.1kg
Package Content
GXP1610/GXP1615 phone, handset with cord, base stand, universal power
supply, network cable, Quick Installation Guide, brochure, GPL license
Compliance
FCC : Part 15 (CFR 47) Class B
CE : EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1
RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950; AS/NZS 60950.1
Table 2: GXP1620/GXP1625 Technical Specifications
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS,
FTP/FTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE,
SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS,
SRTP
Network Interfaces
Dual switched 10/100 Mbps ports, integrated PoE (GXP1625 only)
Graphical Display
132*48 pixel backlit graphical LCD display
Feature Keys
2 line keys with dual-color LED and 2 SIP accounts. 3 XML programmable
context sensitive soft keys. 5 (navigation, menu) keys. 13 dedicated function
keys for MUTE, HEADSET, TRANSFER, CONFERENCE, SEND and
REDIAL, SPEAKERPHONE, VOLUME, PHONEBOOK, MESSAGE, HOLD,
PAGE/INTERCOM, RECORD, HOME
Voice Codecs
Support for G.711µ/a, G.722 (wide-band), G.723 (pending), G.726-32, G.729
A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO)
Telephony Features
Hold, transfer, forward (unconditional/no-answer/busy), call park/pickup, 3-
way conference, shared-call-appearance (SCA) / bridged-line-appearance
(BLA), downloadable phone book (XML, LDAP, up to 1000 items), call waiting,

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GXP16XX User Guide
Version 1.0.7.18
call history (up to 200 records), off-hook auto dial, auto answer, click-to-dial,
flexible dial plan, Hot Desking, personalized music ringtones, server
redundancy & fail-over.
Headset Jack
RJ9 headset jack (allowing EHS with Plantronics headsets)
HD Audio
Yes, HD handset and speakerphone with support for wideband audio
Base Stand
Yes, 2 angle positions available, Wall Mountable
QoS
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level access control, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS,
802.1x media access control
Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
simplified and traditional Chinese, Korean, Japanese, and more
Upgrade/Provisioning
Firmware upgrade via TFTP / HTTP /FTP/FTPS / HTTPS, mass provisioning
using TR-069 or AES encrypted XML configuration file
Power & Green Energy
Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA
PoE IEEE802.3 af Class 2, 3.84W-6.49W (GXP1625 only)
Temperature and
Humidity
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10% to 90% Non-condensing
Physical
Dimension: 209mm（L）x 184.5mm（W）x 76.2mm（H） (with handset)
Unit Weight: 0.73kg Package Weight: 1.1kg
Package Content
GXP1620/GXP1625 phone, handset with cord, base stand, universal power
supply, network cable, Quick Installation Guide, brochure, GPL license
Compliance
FCC : Part 15 (CFR 47) Class B
CE : EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1
RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950; AS/NZS 60950.1
Table 3: GXP1628 Technical Specifications
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS,
FTP/FTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE,
SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS,
SRTP

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GXP16XX User Guide
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Network Interfaces
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated
PoE
Graphical Display
132 x 48 backlit graphical LCD display
Feature Keys
2 line keys with dual-color LED and 2 SIP accounts. 3 XML programmable
context sensitive soft keys. 5 (navigation, menu) keys. 8 BLF keys. 13
dedicated function keys for PAGE/INTERCOM, PHONEBOOK, MESSAGE,
HOME, HOLD, RECORD, MUTE, HEADSET, TRANSFER, CONFERENCE,
SEND and REDIAL, SPEAKERPHONE, VOLUME
Voice Codecs
Support for G.711µ/a, G.722 (wide-band), G.723 (pending), G.726-32, G.729
A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO)
Telephony Features
Hold, transfer, forward (unconditional/no-answer/busy), call park/pickup, 3-
way conference, shared-call-appearance (SCA) / bridged-line-appearance
(BLA), downloadable phone book (XML, LDAP, up to 1000 items), call waiting,
call history (up to 200 records), off-hook auto dial, auto answer, click-to-dial,
flexible dial plan, Hot Desking, personalized music ringtones, server
redundancy & fail-over.
Headset Jack
RJ9 headset jack (allowing EHS with Plantronics headsets)
HD Audio
Yes, HD handset and speakerphone with support for wideband audio
Base Stand
Yes, 2 angle positions available, Wall Mountable
QoS
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level access control, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS,
802.1x media access control
Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
simplified and traditional Chinese, Korean, Japanese, and more
Upgrade/Provisioning
Firmware upgrade via TFTP / HTTP / FTP/ FTPS / HTTPS, mass provisioning
using TR-069 or AES encrypted XML configuration file
Power & Green Energy
Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA
PoE IEEE802.3 af Class 2, 3.84W-6.49W
Temperature and
Humidity
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10% to 90% Non-condensing