For certification information, please refer to User Manuals:
Common part
：
This equipment complies with radiation exposure limits set forth for an
uncontrolled environment.
This transmitter must not be co-located or operating in conjunction with
any other antenna or transmitter.
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 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 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.
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 lightening 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.
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: 1-617-5669300
Fax: 1-617-2491987
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
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