Grandstream Networks GRP2601 User manual

Grandstream Networks, Inc.
GRP2601(P) | GRP2602(P/W)
GRP2603(P) | GRP2604(P)
Essential IP Phones
User Guide
GRP2601/GRP2601P
GRP2602/GRP2602P/GRP2602W
GRP2603/GRP2603P
GRP2604/GRP2604P

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GRP260x User Guide
Version 1.0.1.41
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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GRP260x User Guide
Version 1.0.1.41
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 ACTA registration 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 is not 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 any trouble experienced with this equipment, please contact (Agent in the US):
Company Name: Grandstream Networks, Inc.
Address: 126 Brookline Ave, 3rd Floor Boston, MA02215, USA
Tel: [phone]
Fax: [phone]
If the trouble is causing harm to the telephone network, the telephone company may 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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GRP260x User Guide
Version 1.0.1.41
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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GRP260x User Guide
Version 1.0.1.41
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 GRP2602W are in compliance with
Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following internet address:
http://www.grandstream.com/support/resources/

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GRP260x User Guide
Version 1.0.1.41
GNU GPL INFORMATION
GRP260x 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/sites/default/files/Resources/grp260x_gnu_gpl.zip

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GRP260x User Guide
Version 1.0.1.41
Table of Content
DOCUMENT PURPOSE ...............................................................................................10
CHANGE LOG.............................................................................................................. 11
Firmware Version 1.0.1.41 ................................................................................................................... 11
Firmware Version 1.0.1.36 ................................................................................................................... 11
Firmware Version 1.0.1.18 ................................................................................................................... 11
WELCOME ...................................................................................................................12
PRODUCT OVERVIEW ................................................................................................13
Feature Highlights................................................................................................................................13
Technical Specifications.......................................................................................................................14
GETTING STARTED.....................................................................................................20
Equipment Packaging ..........................................................................................................................20
Connecting and Setting Up the GRP260x ...........................................................................................21
Using the Phone Stand ........................................................................................................................21
Using the Slots for Wall Mounting........................................................................................................21
Connecting the GRP260x ....................................................................................................................22
GETTING TO KNOW GRP260X...................................................................................23
Idle Screen...........................................................................................................................................23
Using the Keypad.................................................................................................................................28
Configuration via Keypad.....................................................................................................................30
Characters Input ..................................................................................................................................35
TELEPHONY FEATURES ............................................................................................ 37
Make Phone Calls................................................................................................................................37
Handset, Speaker and Headset Mode .........................................................................................37

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GRP260x User Guide
Version 1.0.1.41
Multiple SIP Accounts and Lines ..................................................................................................37
Completing Calls...........................................................................................................................38
Making Calls Using IP Addresses.................................................................................................40
Answering Phone Calls........................................................................................................................40
Receiving Calls .............................................................................................................................40
Do Not Disturb ..............................................................................................................................41
Add Contact to Blacklist................................................................................................................41
During a Phone Call.............................................................................................................................42
Call Waiting/Call Hold ...................................................................................................................42
Mute ..............................................................................................................................................42
Call Transfer .................................................................................................................................42
Call Forwarding.............................................................................................................................43
Establish Conferencing calls................................................................................................................43
Multi-Purpose Keys (GRP2604 Only) ..................................................................................................44
Voicemail..............................................................................................................................................46
Call Features........................................................................................................................................47
CONTACTS...................................................................................................................50
Local Contacts .....................................................................................................................................50
Add a single Contact............................................................................................................................50
Phonebook...........................................................................................................................................50
XML Phonebook syntax................................................................................................................50
Download/Upload XML Phonebook from Web UI ........................................................................51
CALL HISTORY............................................................................................................52
Local Call History .................................................................................................................................52
Call History Operations ........................................................................................................................52
DIAGNOSIS ..................................................................................................................53
EHS HEADSET.............................................................................................................54

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GRP260x User Guide
Version 1.0.1.41
RESTORE FACTORY DEFAULT SETTINGS ...............................................................55
Restore factory settings using LCD menu ...........................................................................................55
Restore to Factory Default via Web GUI .............................................................................................55
EXPERIENCING GRP260x ..........................................................................................56
Table of Figures
Figure 1: GRP260x Package Content.........................................................................................................20
Figure 2: phone Stand and Mounting Slots on the GRP260x.....................................................................21
Figure 3: Tab on the Handset Cradle ..........................................................................................................21
Figure 4: GRP2600 Back Side View ...........................................................................................................22
Figure 5: GRP260x Idle Screen ..................................................................................................................23
Figure 6: GRP2601 Keyboard.....................................................................................................................28
Figure 7: GRP2602 Keyboard.....................................................................................................................28
Figure 8: GRP2603 Keyboard.....................................................................................................................29
Figure 9: GRP2604 Keyboard.....................................................................................................................29
Figure 10: Keypad Menu Configuration Flow..............................................................................................34
Figure 11 : Key mode configured as line mode...........................................................................................37
Figure 12 : Key mode configured as account mode ...................................................................................38
Figure 13 : 3-way conference call screen example ....................................................................................43
Figure 14 : MPK page .................................................................................................................................44
Figure 15 : MPK Preview ............................................................................................................................45
Figure 16 : MPK Card printing options........................................................................................................46
Figure 18 : Install the BLF paper.................................................................................................................46
Figure 18 : Download/Upload XML Phonebook..........................................................................................51
Figure 19: Factory Functions ......................................................................................................................53

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GRP260x User Guide
Version 1.0.1.41
Table of Tables
Table 1: GRP260x Features in a glance .....................................................................................................13
Table 2: GRP2601/GRP2601P Technical Specifications ............................................................................14
Table 3: GRP2602/GRP2602P/GRP2602W Technical Specifications........................................................15
Table 4: GRP2603/GRP2603P Technical Specifications ............................................................................16
Table 5: GRP2604/GRP2604P Technical Specifications ............................................................................18
Table 6: Equipment Packaging ...................................................................................................................20
Table 7: LCD Display Definitions.................................................................................................................23
Table 8: GRP260X LCD icons.....................................................................................................................24
Table 9: GRP260x Keypad Buttons ............................................................................................................29
Table 10: Configuration Menu .....................................................................................................................31
Table 11: Characters input: 123 Mode ........................................................................................................35
Table 12: Characters input: ABC Mode.......................................................................................................35
Table 13: Characters input: abc Mode ........................................................................................................35
Table 14: Ab2 Mode ....................................................................................................................................36
Table 15 : Call Features ..............................................................................................................................47
Table 16: Call History icons.........................................................................................................................52

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GRP260x User Guide
Version 1.0.1.41
DOCUMENT PURPOSE
This document describes how to configure the GRP260x via phone's LCD menu and web UI menu to fully
manipulate phone's features. To learn advanced functions of GRP260x, please visit
http://www.grandstream.com/support to download the latest “GRP260x Administration Guide”.
This guide covers following topics:
•Product Overview
•Getting Started
•Getting to know GRP260x
•Telephony Features
•Contacts
•Call History
•Connecting to Devices
•Diagnosis
•Restore factory default settings
•Experiencing the GRP260x

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GRP260x User Guide
Version 1.0.1.41
CHANGE LOG
This section documents significant changes from previous versions of user manuals for GRP260x. Only
major new features or major document updates are listed here. Minor updates for corrections or editing are
not documented here.
Firmware Version 1.0.1.41
•Added VLAN tag settings on Device LCD menu. [Figure 10: Keypad Menu Configuration Flow]
•Added support to setup a Forward Always softkey on idle screen. [Softkeys in idle screen]
Firmware Version 1.0.1.36
•No major changes.
Firmware Version 1.0.1.18
•This is the initial version for GRP260x.

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GRP260x User Guide
Version 1.0.1.41
WELCOME
Thank you for purchasing Grandstream GRP260X Essential IP Phones.
Part of the GRP series of Carrier-Grade IP Phones, the GRP2601/GRP2602 is an essential 2-line model
designed with zero-touch provisioning for mass deployment and easy management. It features a sleek
design and a suite of next-generation features including 5-way voice conferencing to maximize productivity
and dual band Wi-Fi support (GRP2602W only), EHS support for Plantronics & Jabra & Sennheiser
headsets and multi-language support. The GRP series includes carrier-grade security features to provide
enterprise-level security, including secure boot, dual firmware images and encrypted data storage. For
cloud provisioning and centralized management, the GRP260X is supported by Grandstream’s Device
Management System (GDMS), which provides a centralized interface to configure, provision, manage and
monitor deployments of Grandstream endpoints. Built for the needs of desktop workers and designed for
easy deployment by enterprises, service providers and other high-volume markets, the
GRP2601/GRP2602 offers an easy-to-use and easy-to-deploy voice endpoint.
Part of the GRP series of Carrier-Grade IP Phones, the GRP2603/GRP2604 is an essential 3-line model
designed with zero touch provisioning for mass deployment and easy management. It features a sleek
design and a suite of next generation features including: 5-way voice conferencing to maximize productivity,
integrated PoE (GRP2603P), full HD audio on both the speaker and handset to allow users to communicate
with the utmost clarity, EHS support for Plantronics & Jabra & Sennheiser headsets and multi-language
support. The GRP series includes carrier-grade security features to provide enterprise-level security,
including secure boot, dual firmware images and encrypted data storage. For cloud provisioning and
centralized management, the GRP2603/GRP2604 is supported by Grandstream’s Device Management
System (GDMS), which provides a centralized interface to configure, provision, manage and monitor
deployments of Grandstream endpoints. Built for the needs of desktop workers and designed for easy
deployment by enterprises, service providers and other high-volume markets, the GRP2603/GRP2604
offers an easy-to-use and easy-to-deploy voice endpoint.
The GRP260X 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. GRP260X 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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GRP260x User Guide
Version 1.0.1.41
PRODUCT OVERVIEW
Feature Highlights
The following tables contain the major features of the GRP260x:
Table 1: GRP260x Features in a glance
GRP2601
GRP2601P
4 programmable context-sensitive soft keys.
10/100M network ports.
Integrated PoE (for GRP2601P only).
5-way conference.
Electronic Hook Switch (EHS) support for Plantronics &
Jabra & Sennheiser.
GRP2602
GRP2602P
GRP2602W
2 SIP account keys with dual-color LED
4 programmable context-sensitive soft keys.
10/100M network ports.
Integrated PoE (for GRP2602P only).
5-way conference.
Electronic Hook Switch (EHS) support for Plantronics &
Jabra & Sennheiser.
Wi-Fi Support (GRP2602W only)
GRP2603
GRP2603P
3 SIP account keys with dual-color LED.
4 XML programmable context sensitive soft keys
132 x 64 backlit graphical LCD display
10/100/1000 Mbps Ethernet ports.
Integrated PoE (GRP2603P only).
5-way conference.
Electronic Hook Switch (EHS) support for Plantronics &
Jabra & Sennheiser.

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GRP260x User Guide
Version 1.0.1.41
GRP2604
GRP2604P
3 SIP account keys with dual-color LED.
4 XML programmable context sensitive soft keys
132 x 64 backlit graphical LCD display
10/100/1000 Mbps Ethernet ports.
Integrated PoE (GRP2604P only).
5-way conference.
Electronic Hook Switch (EHS) support for Plantronics &
Jabra & Sennheiser.
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 GRP260x series.
Table 2: GRP2601/GRP2601P 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, NTP, STUN, SIMPLE,
LLDP, LDAP, TR-069, SNMP, 802.1x, TLS, SRTP, IPV6
Network Interfaces
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE
(GRP2601P only)
Graphic Display
132 x 48 (2.21’’) LCD display
Feature Keys
4 XML programmable context sensitive soft keys, 5 (navigation, menu) keys. 8
dedicated function keys for: MESSAGE (with LED indicator), TRANSFER,
HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL
Voice Codec
Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band),G723,iLBC,
OPUS, in-band, and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD,
AEC, CNG, PLC, AGC
Auxiliary Ports
RJ9 headset jack (allowing EHS with Plantronics & Jabra & Sennheiser headsets)
Telephony Features
Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable
phonebook (XML, LDAP, up to 2000 items), call waiting, call log (up to 800
records), 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
Base Stand
Yes, 1 angle positions available
Wall Mountable
Yes, (*wall mount sold separately)

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GRP260x User Guide
Version 1.0.1.41
QoS
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level passwords, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x
media access control, secure boot
Multi-language
English, Chinese, Korean, Japanese, German, Italian, French, Spanish,
Portuguese, Russian, Croatian, and more
Upgrade/Provisioning
Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using
GDMS/TR-069 or AES encrypted XML configuration file
Power & Green
Energy Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA;
PoE: IEEE802.3af Class 1, 3.84W; IEEE802.3az (EEE) (GRP2601P Only)
Physical
Dimension: 208mm (L) x 180mm (W) x 63.4mm (H) (with handset)
Unit weight:650g; Package weight:810g (860g for GRP2601)
Temperature and
Humidity
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10% to 90% Non-condensing
Package Content
GRP2601/2601P phone, handset with cord, base stand, universal power supply
(GRP2601 only), network cable, Quick Installation Guide
Compliance
FCC: Part 15 Class B; FCC Part 68 HAC;
CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1;
RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004;
IC: ICES-003; CS-03;
Table 3: GRP2602/GRP2602P/GRP2602W 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, NTP, STUN, SIMPLE,
LLDP, LDAP, TR-069, SNMP, 802.1x, TLS, SRTP, IPV6
Network Interfaces
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE
(GRP2602P only)
Graphic Display
132 x 48 (2.21’’) backlit graphical LCD display
Wi-Fi
Yes , Dual band support (GRP2602W only)
Feature Keys
2 SIP account keys with dual-color LED, 4 XML programmable context sensitive
soft keys, 5 (navigation, menu) keys. 8 dedicated function keys for: MESSAGE
(with LED indicator), TRANSFER, HEADSET, MUTE, SEND/REDIAL,
SPEAKERPHONE, VOL+, VOL-
Voice Codec
Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band),G723,iLBC,
OPUS, in-band, and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD,
AEC, CNG, PLC, AGC

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GRP260x User Guide
Version 1.0.1.41
Auxiliary Ports
RJ9 headset jack (allowing EHS with Plantronics & Jabra &Sennheiser 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 2000 items), call waiting, call log (up to 800 records), 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, HD handset and speakerphone with support for wideband audio
Base Stand
Yes, 1 angle positions available
Wall Mountable
Yes, (*wall mount sold separately)
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level passwords, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x
media access control, secure boot
Multi-language
English, Chinese, Korean, Japanese, German, Italian, French, Spanish,
Portuguese, Russian, Croatian and more
Upgrade/Provisioning
Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using
GDMS/TR-069 or AES encrypted XML configuration file
Power & Green
Energy Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA;
PoE: IEEE802.3af Class 1, 3.84W; IEEE802.3az (EEE) (GRP2602P Only)
Physical
Dimension: 208mm (L) x 180mm (W) x 63.4mm (H) (with handset)
Unit weight: 670g; Package weight:830g (880g for GRP2602)
Temperature and
Humidity
Operation: 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% Non-
condensing
Package Content
GRP2602 phone, handset with cord, base stand, universal power supply
(GRP2602/GRP2602W only), network cable, Quick Installation Guide
Compliance
FCC: Part 15 Class B; FCC Part 68 HAC;
CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1;
RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004;
IC: ICES-003; CS-03;
Table 4: GRP2603/GRP2603P 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, NTP, STUN, SIMPLE,
LLDP, LDAP, TR-069, SNMP, 802.1x, TLS, SRTP, IPV6
Network Interfaces
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE
(GRP2603P only)
Graphic Display
132 x 64 backlit graphical LCD display

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GRP260x User Guide
Version 1.0.1.41
Feature Keys
3 SIP account keys with dual-color LED, 4 XML programmable context sensitive
soft keys, 5 (navigation, menu) keys. 9 dedicated function keys for:
MESSAGE(with LED indicator), TRANSFER, HOLD, HEADSET, MUTE,
SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-
Voice Codec
Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band),G723,iLBC,
OPUS, in-band, and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD,
AEC, CNG, PLC, AGC
Auxiliary Ports
RJ9 headset jack (allowing EHS with Plantronics & Jabra &Sennheiser headsets)
Telephony Features
Hold, transfer, forward, 4-way conference, call park, call pickup, shared-call-
appearance(SCA)/bridged-line-appearance(BLA), downloadable phonebook
(XML, LDAP, up to 2000 items), call waiting, call log (up to 800 records), 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, HD handset and speakerphone with support for wideband audio
Base Stand
Yes, 2 angle positions available
Wall Mountable
Yes, (*wall mount sold separately)
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level passwords, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x
media access control, secure boot
Multi-language
English, Chinese, Korean, Japanese, German, Italian, French, Spanish,
Portuguese, Russian, Croatian, and more
Upgrade/Provisioning
Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using
GDMS/TR-069 or AES encrypted XML configuration file
Power & Green
Energy Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC,
600mA;PoE: IEEE802.3af Class 1, 3.84W; IEEE802.3az (EEE) (GRP2603P
Only)
Physical
Dimension: 214mm (L) x 206mm (W) x 68mm (H) (with handset)
Unit weight: 780g; Package weight: 1090g for GRP2603P &1140g for GRP2603
Temperature and
Humidity
Operation: 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% Non-
condensing
Package Content
GRP2603 phone, handset with cord, base stand, universal power supply
(GRP2603 only), network cable, Quick Installation Guide
Compliance
FCC: Part 15 Class B; FCC Part 68 HAC;
CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1;
RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004;
IC: ICES-003; CS-03;

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GRP260x User Guide
Version 1.0.1.41
Table 5: GRP2604/GRP2604P 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, NTP, STUN, SIMPLE,
LLDP, LDAP, TR-069, SNMP, 802.1x, TLS, SRTP, IPV6
Network Interfaces
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE
(GRP2603P only)
Graphic Display
132 x 64 backlit graphical LCD display
Feature Keys
3 SIP account keys with dual-color LED, 4 XML programmable context sensitive
soft keys, 5 (navigation, menu) keys. 9 dedicated function keys for:
MESSAGE(with LED indicator), TRANSFER, HOLD, HEADSET, MUTE,
SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-
Voice Codec
Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band),G723,iLBC,
OPUS, in-band, and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD,
AEC, CNG, PLC, AGC
Auxiliary Ports
RJ9 headset jack (allowing EHS with Plantronics & Jabra & Sennheiser headsets)
Telephony Features
Hold, transfer, forward, 4-way conference, call park, call pickup, shared-call-
appearance(SCA)/bridged-line-appearance(BLA), downloadable phonebook
(XML, LDAP, up to 2000 items), call waiting, call log (up to 800 records), 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, HD handset and speakerphone with support for wideband audio
Base Stand
Yes, 2 angle positions available
Wall Mountable
Yes, (*wall mount sold separately)
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level passwords, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x
media access control, secure boot
Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
Chinese, Korean, Japanese, and more
Upgrade/Provisioning
Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using
GDMS/TR-069 or AES encrypted XML configuration file
Power & Green
Energy Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC,
600mA;PoE: IEEE802.3af Class 2, 3.84W-6.49W; IEEE802.3az (EEE)
(GRP2604P Only)
Physical
Dimension: 208mm (L) x 180mm (W) x 63.4mm (H) (with handset)
Unit weight: 670g; Package weight:830g (880g for GRP2602)

P a g e | 19
GRP260x User Guide
Version 1.0.1.41
Temperature and
Humidity
Operation: 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% Non-
condensing
Package Content
GRP2604 phone, handset with cord, base stand, universal power supply
(GRP2604 only), network cable, Quick Installation Guide
Compliance
FCC: Part 15 Class B; FCC Part 68 HAC;
CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1;
RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004;
IC: ICES-003; CS-03;