Quick Installation Guide
Table Of Contents
For certification information, please refer to User Manuals:   
http://www.grandstream.com 
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. 
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 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 






