User Guide for the Polycom
®
SoundStation Duo
™
Conference Phone
120 Polycom, Inc.
Safety and Compliance (continued)
Ringer Equivalence Number (REN)
The REN is used to determine the quantity of devices that may be connected to the telephone line. Excessive
RENs on the telephone line may result in the devices not ringing in response to an incoming call. Typically the sum
of RENs should not exceed five (5.0). To be certain of the number of devices that may be connected to a line (as
determined by the total RENs) contact the local telephone company.
Please refer to the labelling on the equipment for the following information:
• Registration Number
• Ringer Equivalence
• Grantee’s Name
• Model Number
• Serial Number and or Date of Manufacture
• Country of Origin
If requested this information must be provided to the telephone company.
Notes:
• This registered equipment may not be used with part lines or coin lines.
• If trouble is experienced, the customer shall disconnect the registered equipment from the telephone line to
determine if the registered equipment is malfunctioning and that if the registered equipment is malfunctioning,
the use of such equipment shall be discontinued until the problem has been corrected.
• If, in the unlikely event that this equipment causes harm to the network, the telephone company will notify you
in advance that temporary discontinuance of service may be required. However if advance notice is not
practical, the telephone company will notify you as soon as possible. Also, you will be advised of your right to
file a complaint with the FCC if you believe it necessary.
• The telephone company may make changes to its facilities, equipment, operations or procedures that could
affect the operation of the equipment. If this happens, the telephones company will provide advance notice so
you can make the necessary modifications to maintain uninterrupted service.
Automatic Dialing
WHEN PROGRAMMING EMERGENCY NUMBERS AND/OR MAKING TEST CALLS TO EMERGENCY
NUMBERS:
1 Remain on the line and briefly explain to the dispatcher the reason for the call.
2 Perform such activities in the off peak hours, such as early morning or late evening.
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