Firmware Version 1.0.1.50
Added ability to finish an attended transfer by on-hooking the phone. [Attended Transfer]
Added ability to return to the idle screen after you press the activated Line key. [LINE key]
Firmware Version 1.0.1.41
Added VLAN tag settings on Device LCD menu. [Figure 10: Keypad Menu Configuration Flow]
Added support to set up a Forward Always softkey on the 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.
COPYRIGHT
©2022 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.
Grandstream is a registered trademark and the Grandstream logo is the 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.
CERTIFICATION
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):
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