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PACKAGE CONTENT:
PRECAUTIONS:
WARNING: Please DO NOT power cycle the GHP620 and GHP621
during system bootup or rmware upgrade. You may corrupt rmware
image les and cause the unit to malfunction.
1x GHP62X
Phone
1x Base Stand
1x Handset
1x Faceplate 1x RJ11(4P4C)
Phone Cord
1x Quick Installa-
tion Guide
The GHP620 and GHP621 are not pre-confgured 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 Emergency Service. You
must make additional arrangements to access Emergency
Services. It is your responsibility to purchase SIP-com-
pliant Internet telephone service, properly congure the
GHP620/ GHP621 to use that service, and peri-
odically test your conguration to conrm that it works as
you expect. If you do not do so, it is your responsibility to
purchase traditional wireless or landline telephone services
to access Emergency Services.
GRANDSTREAM DOES NOT PROVIDE CONNECTIONS
TO EMERGENCY SERVICES VIA THE GHP620 AND
THE GHP621. NEITHER GRANDSTREAM NOR ITS
OFFICERS, EMPLOYEES OR AFFILIATES MAY BE
HELD LIABLE FOR ANY CLAIM, DAMAGE, OR LOSS.
YOU HEREBY WAIVE ANY AND ALL SUCH CLAIMS OR
CAUSES OF ACTION ARISING FROM OR RELATING
TO YOUR INABILITY TO USE THE GHP620 AND
GHP621 TO CONTACT EMERGENCY SERVICES,
AND YOUR FAILURE TO MAKE ADDITIONAL ARRANGE-
MENTS TO ACCESS EMERGENCY SERVICES IN
ACCORDANCE WITH THE IMMEDIATELY PRECEDING
PARAGRAPH.
The GNU GPL license terms are incorporated into the
device rmware and can be accessed via the Web user
interface of the device at http(s)://IP/#/gpl_license.
To obtain a CD with GPL source code information please
EN
OVERVIEW:
The GHP series of hotel phones feature the GHP620 and the
GHP621, easy-to-use IP phones for any hotel room that can be
programmed and customized based on the needs of the hotel and
their guests. The GHP series features of the series include; one HD
speaker on each handset, 2 SIP accounts/lines, 6 programmable keys,
10 speed dial keys, 3-way voice conferencing, full band Opus voice
codec, and advanced jitter-resilience algorithm that tolerates up to
30% packet loss without impacting voice quality. The series is supported
by Grandstream’s Device Management System (GDMS), which provides
a centralized interface to congure, provision, manage and monitor the
deployment of Grand-stream endpoints. GHP series IP phones can be
installed on desktop or wall-mounted, and powered by PoE
(GHP620/GHP621) and USB Type C charging. Its compact design
makes it perfect for any hotel deployment. These IP Phones could also
be used for deployments in settings such as hospitals, apartments, dor-
mitories, and more.