Grandstream Networks GRP261X Instruction Manual

Grandstream Networks, Inc.
GRP261X/GRP2624/GRP2634
Carrier-Grade IP Phones
Administration Guide

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
COPYRIGHT
©2021 Grandstream Networks, Inc. https://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:
https://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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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
U.S. FCC Part 68 Regulatory Information
This equipment complies with Part 68 of the FCC rules. Located on the equipment is a label that contains,
among other information, the ACTAregistration number and ringer equivalence number (REN). If requested,
this information must be provided to the telephone company.
The REN is used to determine the quantity of devices which may be connected to the telephone line.
Excessive REN’s on the telephone line may result in the devices not ringing in response to an incoming
call. In most, but not all areas, the sum of the REN’s should not exceed five (5.0). To be certain of the
number of devices that may be connected to the line, as determined by the total REN’s contact the
telephone company to determine the maximum REN for the calling area.
This equipment cannot be used on the telephone company-provided coin service. Connection to Party Line
Service is subject to State Tariffs.
If this equipment causes harm to the telephone network, the telephone company will notify you in advance
that temporary discontinuance of service may be required. If advance notice isn’t practical, the telephone
company will notify the customer as soon as possible. Also, you will be advised of your right the file a
complaint with the FCC if you believe it is necessary.
The telephone company may make changes in its facilities, equipment, operations, or procedures that could
affect the operation of the equipment. If this happens, the telephone company will provide advance notice
in order for you to make the necessary modifications in order to maintain uninterrupted service.
If trouble is experienced with this equipment, please contact (Agent in the US):
Company Name: Grandstream Networks, Inc.
Address: 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA
Tel: [phone]
Fax: [phone]
If the trouble is causing harm to the telephone network, the telephone companymay request you to remove the
equipment from the network until the problem is resolved.
This equipment uses the following USOC jacks: RJ45C.
It is recommended that the customer install an AC surge arrester in the AC outlet to which this device is
connected. This is to avoid damaging the equipment caused by local lightning strikes and other electrical
surges.
Since this device has the HAC function, the earpiece is easy to absorb small, please take care to avoid
scratching.

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GRP261x/GRP2624/GRP2634 Administration Guide
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U.S. FCC Part 15 Regulatory Information
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.
Any Changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment.
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.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
Directive 2014/53/EU Regulatory Information
This applies to GRP2612W/GRP2614/GRP2615/GRP2616 only
Operating Frequency Band (RF)
Max Power
2402-2480MHz (TX&RX)
BT-EDR
8.15dBm
2402-2480MHz (TX&RX)
BT-BLE
7.21dBm
2412-2472MHz (TX&RX)
802.11b
18.15dBm
802.11g
18.42dBm
802.11n-20
19.06dBm
5150-5250MHz (TX&RX)
802.11a
19.28dBm
802.11n-20
18.78dBm
802.11n-40
19.10dBm
802.11ac20
18.89dBm
802.11ac40
18.66dBm
802.11ac80
15.80dBm
5250-5350MHz (TX&RX)
802.11a
18.63dBm
802.11n-20
18.60dBm
802.11n-40
18.93dBm
802.11ac20
18.59dBm
802.11ac40
18.38dBm
802.11ac80
15.85dBm
5470-5725MHz (TX&RX)
802.11a
18.19dBm
802.11n-20
18.32dBm
802.11n-40
18.34dBm
802.11ac20
18.44dBm
802.11ac40
17.72dBm
802.11ac80
15.45dBm

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GRP261x/GRP2624/GRP2634 Administration Guide
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Caution: Exposure to Radio Frequency Radiation
This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance of 20 cm between the radiator and your
body.
CE Authentication
Hereby, Grandstream Networks, Inc. declares that the radio equipment GRP2612W, GRP2614, GRP2615
and GRP2616 are in compliance with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following internet address :
https://www.grandstream.com/support/resources/

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
GNU GPL INFORMATION
GRP261x/GRP2624/GRP2634 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:
https://www.grandstream.com/hubfs/Product_Documentation/GRP261X/GRP2624/GRP2634_gnu_gpl.zip

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
Table of Contents
DOCUMENT PURPOSE...............................................................................................13
CHANGE LOG..............................................................................................................14
Firmware Version 1.0.5.48 ......................................................................................................................14
Firmware Version 1.0.5.45 ......................................................................................................................14
Firmware Version 1.0.5.44 ......................................................................................................................14
Firmware Version 1.0.5.36 ......................................................................................................................14
Firmware Version 1.0.5.33 ......................................................................................................................14
Firmware Version 1.0.5.15 ......................................................................................................................14
Firmware Version 1.0.3.6.........................................................................................................................15
Firmware Version 1.0.1.23 ......................................................................................................................15
Firmware Version 1.0.1.17 ......................................................................................................................15
Firmware Version 1.0.1.7.........................................................................................................................15
Firmware Version 1.0.0.31 ......................................................................................................................15
Firmware Version 1.0.0.16 ......................................................................................................................15
WELCOME ...................................................................................................................16
PRODUCT OVERVIEW ................................................................................................18
Feature Highlights ...................................................................................................................................18
Technical Specifications ..........................................................................................................................20
GETTING STARTED..................................................................................................... 28
Equipment Packaging..............................................................................................................................28
GRP261X/GRP2624/GRP2634 Phone Setup.........................................................................................29
Using the Phone Stand........................................................................................................................29
Using the Slots for Wall Mounting........................................................................................................29
Connecting the GRP261X/GRP2624/GRP2634 .....................................................................................30
Configuration via Keypad ........................................................................................................................30
Configuration via Web Browser...............................................................................................................38
Saving Configuration Changes................................................................................................................39

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Rebooting from Remote Locations..........................................................................................................39
CONFIGURATION GUIDE............................................................................................40
Status Page Definitions...........................................................................................................................40
Account Page Definitions ........................................................................................................................42
Settings Page Definitions ........................................................................................................................59
Network Page Definitions........................................................................................................................91
Maintenance Page Definitions.................................................................................................................97
Directory Page Definitions.....................................................................................................................104
BLF LED PATTERNS ................................................................................................. 108
NAT SETTINGS.......................................................................................................... 110
BLUETOOTH (AVAILABLE ON GRP2614/GRP2615 & GRP2616 ONLY).................111
PACKET CAPTURE ................................................................................................... 112
CLICK-TO-DIAL.......................................................................................................... 113
OUTBOUND NOTIFICATION SUPPORT................................................................... 115
UPGRADING AND PROVISIONING ..........................................................................127
Unified Firmware ...................................................................................................................................127
Dual-image Firmware............................................................................................................................127
Firmware Upgrade.................................................................................................................................128
Upgrade via Keypad Menu ................................................................................................................128
Upgrade via Web GUI........................................................................................................................129
No Local TFTP/FTP/HTTP Servers...................................................................................................129
Phone Provisioning................................................................................................................................130
Configuration File Download..............................................................................................................130
No Touch Provisioning.......................................................................................................................132
Shortcut of Upgrade and Provision via Keypad Menu ..........................................................................132
GRP261X/GRP2624/GRP2634 TOOLS .....................................................................133
RESTORE FACTORY DEFAULT SETTING ...............................................................134

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GRP261x/GRP2624/GRP2634 Administration Guide
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Restore Factory settings using LCD Menu............................................................................................134
EXPERIENCING GRP261X/GRP2624/GRP2634.......................................................135

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GRP261x/GRP2624/GRP2634 Administration Guide
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Table of Tables
Table 1: GRP261x/GRP2624/GRP2634 Features in a Glance...................................................................18
Table 2: GRP2612/GRP2612P/GRP2612W Technical Specifications........................................................20
Table 3: GRP2613 Technical Specifications ...............................................................................................21
Table 4: GRP2614 Technical Specifications ...............................................................................................22
Table 5: GRP2615 Technical Specifications ...............................................................................................24
Table 6: GRP2616 Technical Specifications ...............................................................................................25
Table 7: GRP2624 technical specifications.................................................................................................26
Table 8: Equipment Packaging ...................................................................................................................28
Table 9: Configuration Menu.......................................................................................................................31
Table 10: Status Page Definitions...............................................................................................................40
Table 11: Account Page Definitions.............................................................................................................42
Table 12: Settings Page Definitions ............................................................................................................59
Table 13: Network Page Definitions............................................................................................................91
Table 14 : Maintenance Page Definitions....................................................................................................97
Table 15: BLF LED Patterns......................................................................................................................108
Table 16: Action URL - Supported Events................................................................................................. 115
Table 17: Action URL - Supported Dynamic Variables..............................................................................116
Table 18: Action URL Parameters P-values..............................................................................................117
Table 19: Action URL –Add Destination Settings .....................................................................................119
Table 20: Action URL - Destination P-values............................................................................................ 119
Table 21: Action URL –Notification Options .............................................................................................120
Table 22: Action URL Notification –Events and Dynamic Attributes ........................................................121
Table 23:Action URL Notification P-values...............................................................................................125

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GRP261x/GRP2624/GRP2634 Administration Guide
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Table of Figures
Figure 1: GRP261X/GRP2624/GRP2634 Package Content ......................................................................28
Figure 2: Phone Stand and Mounting Slots on the GRP261X/GRP2624/GRP2634..................................29
Figure 3: Tab on the Handset Cradle..........................................................................................................29
Figure 4: GRP261X/GRP2624/GRP2634 Back / Side View.......................................................................30
Figure 5: Packet Capture in Idle ...............................................................................................................112
Figure 6: Packet Capture when running ...................................................................................................112
Figure 7: Click-to-Dial Feature.................................................................................................................. 114
Figure 8: Action URL Settings Page..........................................................................................................116
Figure 9: Action URL Packet..................................................................................................................... 117
Figure 10: Action URL - Add Destination................................................................................................... 118
Figure 11: Action URL - Add Notification...................................................................................................120
Figure 12: GRP261X/GRP2624/GRP2634 Unified Firmware...................................................................127
Figure 13: Alternative Firmware - Rollback...............................................................................................128
Figure 14: Config File Download...............................................................................................................130
Figure 15: Certificates Files Download .....................................................................................................132
Figure 16: GRP261X/GRP2624/GRP2634 Tools......................................................................................133
Figure 17: Factory Reset using LCD Menu...............................................................................................134

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GRP261x/GRP2624/GRP2634 Administration Guide
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DOCUMENT PURPOSE
This document describes how to configure GRP261X/GRP2624/GRP2634 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 GRP2612 / GRP2612P / GRP2612W / GRP2613 / GRP2614 / GRP2615 /
GRP2616, please visit https://www.grandstream.com/support to download the latest
“GRP261x/GRP2624/GRP2634 User Guide”.
This guide covers the following topics:
Product Overview
Getting Started
Configuration Guide
BLF LED Patterns
NAT Settings
Bluetooth (GRP2614/GRP2615/GRP2616 only)
Packet Capture
Click-to-Dial
Outbound Notification Support
Upgrading and Provisioning
GRP261x/GRP2624/GRP2634 Tools
Restore Factory Default Settings
Experiencing GRP261x

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
CHANGE LOG
This section documents significant changes from previous versions of user manuals for
GRP261x/GRP2624/GRP2634. Only major new features or major document updates are listed here. Minor
updates for corrections or editing are not documented here.
Firmware Version 1.0.5.48
No major changes.
This is the initial version for GRP261x/GRP2624/GRP2634.
Firmware Version 1.0.5.45
No major changes.
Firmware Version 1.0.5.44
No major changes.
Firmware Version 1.0.5.36
Added support for a power-saving feature of turning off the LCD display automatically according to a
configurable schedule. [Office Hour]
Added support for a power-saving feature of turning off the LCD display automatically according to a
timer when not during office hours. [Power Saving Timeout]
Added support for using variables on the configuration server path. [Config Server Path][Firmware
Server Path]
Firmware Version 1.0.5.33
Added support for choosing between RTCP and RTCP-XR. [Enable RTCP]
Added support for Blacklist/Whitelist IP addresses for web access. [Web Access Control]
Added support for disabling the feature of selecting an account from LCD. [Select account from LCD]
Added “Disable Active MPK Page” option for GRP2614/2616, before it only existed for GRP2615.
[Disable Active MPK Page]
Extended the amount of text that can be displayed on the Extension label. [Use Long Label]
Allows use of Primary SIP server URI in REGISTER for both Primary and Secondary SIP servers
Firmware Version 1.0.5.15
Added support to provision new config file “dev[MAC ADDRESS].cfg”. [Configuration File Download]
Added option to adjust Call Tone Volume. [Call Tone Volume]
Added ability to enable EDRC feature. [Enable EDRC Feature]
Line status indicator on LCD will now show account name while VPK label on LCD will show VPK

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
description. [Virtual Multi-Purpose Keys]
Added GUV300x USB headset support.
Firmware Version 1.0.3.6
Added support for exact match lookup method for LDAP search. [Exact Match Search]
Firmware Version 1.0.1.23
Improved DNS SRV Failover Design for NetSapiens servers and other server types. [Register Before
DNS SRV Failover]
Firmware Version 1.0.1.17
Added the ability to add the MAC address to the User-Agent [MAC in User-Agent]
Added support for Chile time zone. [Time Zone]
Added support for new provision file. [Configuration File Download]
Firmware Version 1.0.1.7
Added support for GRP2615.
Added support for GRP2616.
Firmware Version 1.0.0.31
Added Presence Event list mode to VPK/MPK modes. [Presence EventList]
Added GDS DoorOpen mode to VPK/MPK modes. [GDS DoorOpen]
Changed Screensaver Default value to “On if no VPK is active”. [Screensaver]
Firmware Version 1.0.0.16
This is the initial version for GRP261x.

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
WELCOME
Thank you for purchasing Grandstream GRP261x/GRP2624/GRP2634 Carrier-Grade IP Phones.
GRP2612/GRP2612P/GRP2612W is featuring 4 dual-color line keys (can be digitally programmed as up to
16 provisionable BLF/fast-dial keys), 2.4” (320x240) TFT color LCD, 4 programmable context-sensitive soft
keys, 100M network ports, integrated PoE (GRP2612P & GRP2612W only), integrated dual-band Wi-Fi
(GRP2612W only), 3-way conference, and Electronic Hook Switch (EHS).
GRP2613 is featuring 6 dual-color line keys (can be digitally programmed as up to 24 provisionable
BLF/fast-dial keys), 2.8” (320x240) TFT color LCD, 4 programmable context-sensitive soft keys, 1000M
network ports, integrated PoE, 3-way conference, and Electronic Hook Switch (EHS).
GRP2614 is featuring 4 dual-color line keys (can be digitally programmed as up to 16 provisionable
BLF/fast-dial keys), 2.8” (320x240) TFT color LCD, 4 programmable context-sensitive soft keys, 2.4”
(320x240) additional screen dedicated to up to 24 multi-purpose keys, 1000M network ports, integrated
PoE, Wi-Fi and Bluetooth support, 3-way conference and Electronic Hook Switch (EHS).
GRP2615 is featuring 10 dual-color line keys (can be digitally programmed as up to 40 provisionable
BLF/fast-dial keys), 4.3” (480x272) TFT color LCD, 5 programmable context-sensitive soft keys, 1000M
network ports, integrated PoE, Wi-Fi and Bluetooth support, 3-way conference and Electronic Hook Switch
(EHS).
GRP2616 is a next generation enterprise IP Phone featuring 6 dual-color line keys (can
be digitally programmed as up to 24 provisionable BLF/fast-dial keys), 4.3” (480x272) TFT color
LCD, 5 programmable context-sensitive soft keys, 2.4” (320x240) additional screen
dedicated to up to 24 multi-purpose keys, USB port, 1000M network ports, integrated PoE, Wi-Fi
and Bluetooth sup-port, 3-way conference and Electronic Hook Switch (EHS).
The GRP2624 is featuring 8-line dual-color line keys (can be digitally programmed as up to 32 provisionable
BLF/fast-dial keys), 2.8 inch (320x240) TFT color LCD, 4 programmable context-sensitive soft keys, 1000M
network ports, integrated PoE, Wi-Fi and Bluetooth support, 5-way conference and Electronic Hook Switch
(EHS).
The GRP2634 is featuring 8-line dual-color line keys (can be digitally programmed as up to 32 provisionable
BLF/fast-dial keys), 2.8 inch (320x240) TFT color LCD, 4 programmable context-sensitive soft keys, 10

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GRP261x/GRP2624/GRP2634 Administration Guide
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multi-purpose keys, 1000M network ports, integrated PoE, Wi-Fi and Bluetooth support, 5-way conference
and Electronic Hook Switch (EHS).
The GRP261x/GRP2624/GRP2634 series deliver superior HD audio quality, rich and leading-edge
telephony features, protection for privacy, and broad interoperability with most 3rd party SIP devices and
leading SIP/NGN/IMS platforms. GRP261x/GRP2624/GRP2634 series is the perfect choice for enterprise
users looking for a high quality, feature rich multi-line executive IP phone with advanced functionalities and
performance.

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GRP261x/GRP2624/GRP2634 Administration Guide
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PRODUCT OVERVIEW
Feature Highlights
The following table contains the major features of the GRP261x/GRP2624/GRP2634 phones:
Table 1: GRP261x/GRP2624/GRP2634 Features in a Glance
GRP2612
GRP2612P
GRP2612W
4 dual-color line keys (can be digitally programmed as
up to 16 provisionable BLF/fast-dial keys).
2.4” (320x240) TFT color LCD.
4 programmable context-sensitive soft keys.
100M network ports.
Integrated PoE (GRP2612P & GRP2612W only).
3-way conference.
Electronic Hook Switch (EHS).
Wi-Fi support (GRP2612W only).
GRP2613
6 dual-color line keys (can be digitally programmed as
up to 24 provisionable BLF/fast-dial keys).
2.8” (320x240) TFT color LCD.
4 programmable context-sensitive soft keys.
1000M network ports.
integrated PoE.
3-way conference.
Electronic Hook Switch (EHS).
GRP2614
4 dual-color line keys (can be digitally programmed as
up to 16 provisionable BLF/fast-dial keys).
2.8” (320x240) TFT color LCD.
4 programmable context-sensitive soft keys.
2.4” (320x240) additional screen dedicated to up to 24
multi-purpose keys.
1000M network ports.
Integrated PoE.
Wi-Fi and Bluetooth support.
3-way conference.
Electronic Hook Switch (EHS).

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GRP261x/GRP2624/GRP2634 Administration Guide
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GRP2615
10 dual-color line keys (can be digitally programmed
as up to 40 provisionable BLF/fast-dial keys).
4.3” (480x272) TFT color LCD.
5 programmable context-sensitive soft keys.
1000M network ports.
Integrated PoE.
Wi-Fi and Bluetooth support.
3-way conference.
Electronic Hook Switch (EHS).
GRP2616
6 dual-color line keys (can be digitally programmed as
up to 24 provisionable BLF/fast-dial keys).
4.3” (480x272) TFT color LCD.
5 programmable context-sensitive soft keys.
2.4” (320x240) additional screen dedicated to up to 24
multi-purpose keys.
1000M network ports.
Integrated PoE.
Wi-Fi and Bluetooth support.
3-way conference.
Electronic Hook Switch (EHS).
GRP2624
8 dual-color line keys (can be digitally programmed as
up to 24 provisionable BLF/fast-dial keys).
2.8 inch (320x240) TFT color LCD.
4 programmable context-sensitive soft keys.
2.4” (320x240) additional screen dedicated to up to 24
multi-purpose keys.
1000M network ports.
Integrated PoE.
Wi-Fi and Bluetooth support.
5-way conference.
Electronic Hook Switch (EHS).
GRP2634
8 dual-color line keys (can be digitally programmed as
up to 24 provisionable BLF/fast-dial keys).
2.8 inch (320x240) TFT color LCD.
4 programmable context-sensitive soft keys.
2.4” (320x240) additional screen dedicated to up to 24
multi-purpose keys.
1000M network ports.
Integrated PoE.
Wi-Fi and Bluetooth support.
5-way conference.

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GRP261x/GRP2624/GRP2634 Administration Guide
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Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported,
voice codecs, telephony features, languages and upgrade/provisioning settings for the
GRP261x/GRP2624/GRP2634 series.
Table 2: GRP2612/GRP2612P/GRP2612W Technical Specifications
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP/RTCP-XR, HTTP/HTTPS, ARP, ICMP,
DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, FTP/FTPS, NTP,
STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6
Network Interfaces
Dual switched auto-sensing 10/100 Mbps Ethernet ports, with integrated PoE
(only GRP2612P/GRP2612W)
Graphic Display
2.4 inch (320x240) TFT color LCD
Feature Keys
4 line keys with up to 2 SIP accounts, 4 programmable contexts sensitive
Softkeys, 5 navigation/menu keys, 9 dedicated function keys for: MESSAGE (with
LED indicator), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL,
SPEAKERPHONE, VOLUME+, VOLUME-
Voice Codec
Support for G.729A/B, G723.1, G.711µ/a-law, G.726, G.722 (wide-band), OPUS,
iLBC and in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Auxiliary Ports
RJ9 headset jack (allowing EHS with Plantronics headsets)
Telephony Features
Hold, transfer, forward, 3-way conference, call park, call pickup, shared-call-
appearance (SCA), bridged-line-appearance (BLA), downloadable phonebook
(XML, LDAP, up to 1000 items), call waiting, call log (up to 2000 records),
customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial
plan, hot desking, personalized music ringtones and music on hold, server
redundancy and fail-over
HD audio
Yes, both on handset and full-duplex handsfree speakerphone
Base Stand
Yes, allow 2 angle positions
Wall Mountable
Yes, (*wall mount sold separately)
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, AES based secure configuration file, SRTP, TLS, 802.1x media
access control
Multi-language
English, Arabic, Chinese, Croatian, Czech, Dutch, German, French, Hebrew,
Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Slovenia,
Spanish, Turkish
Upgrade/Provisioning
Firmware upgrade via TFTP/FTP/FTPS/HTTP/HTTPS, mass provisioning using
TR-069 or encrypted XML configuration file