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The GRP2604/GRP2604P is not pre-congured
to support or carry emergency calls to any type of
hospital, law enforcement agency, medical care unit
(“Emergency Service(s)”) or any other kind of Emer-
gency Service. You must make additional arrange-
ments to access Emergency Services. It is Your
responsibility to purchase SIP-compliant Internet
telephone service, properly congure the GRP2604/
GRP2604P to use that service, and periodically test
Your conguration to conrm that it works as You ex-
pect. If You don’t do so, it is Your responsibility to
purchase traditional wireless or landline telephone
services to access Emergency Services.
GRANDSTREAM DOES NOT PROVIDE CON-
NECTIONS TO EMERGENCY SERVICES VIA THE
GRP2604/GRP2604P. NEITHER GRANDSTREAM
NOR ITS OFFICERS, EMPLOYEES OR AFFILI-
ATES MAY BE HELD LIABLE FOR ANY CLAIM,
DAMAGE, OR LOSS, AND YOU HEREBY WAIVE
ANY AND ALL SUCH CLAIMS OR CAUSES OF AC-
TION ARISING FROM OR RELATING TO YOUR
INABILITY TO USE THE GRP2604/GRP2604P TO
CONTACT EMERGENCY SERVICES, AND YOUR
FAILURE TO MAKE ADDITIONAL ARRANGE-
MENTS TO ACCESS EMERGENCY SERVICES IN
ACCORDANCE WITH THE IMMEDIATELY PRE-
CEDING PARAGRAPH.
EN
Part of the GRP series of Carrier-Grade IP Phones, the 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 4-way voice conferencing to maxi-
mize productivity, integrated PoE (GRP2604P), 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
rmware images and encrypted data storage. For cloud provisioning and
centralized management, the GRP2604 is supported by Grandstream’s
Device Management System (GDMS), which provides a centralized
interface to congure, provision, manage and monitor deployments of
Grandstream endpoints. Built for the needs of desktop workers and de-
signed for easy deployment by enterprises, service providers and other
high-volume markets, the GRP2604 oers an easy-to-use and easy-to-
deploy voice endpoint.
PACKAGE CONTENTS:
OVERVIEW:
WARNING: Please DO NOT power cycle the GRP2604/GRP2604P dur-
ing system boot up or rmware upgrade. You may corrupt rmware im-
ages and cause the unit to malfunction.
1x Phone Main Case 1x Handset
1x Phone Cord
1x Ethernet Cable1x Phone Stand
1x 5V Power adapter
(With GRP2604 only)
1x Quick
Installation Guide
PRECAUTIONS:
WARNING: Use only the power adapter included in the GRP2604 pack-
age. Using an alternative non-qualied power adapter may possibly
damage the unit.
5V
BLF Labels
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