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Safety precautions
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3. REN
The ringer equivalence number (REN) is used to determine the quality
of devices which may be connected to the telephone line. Excessive
RENs on the telephone line may result in the devices not ringing in re-
sponse to an incoming call. In most, but not all areas, 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, con-
tact the local telephone company.
Note: REN is associated with the analog telephones. It is not applica-
ble to Siemens “OpenStage” IP-based telephone. If requested, please
supply the product identifier in the format US:AAAEQ##TXXXX or the
REN of the FCC Part 68 registered front-end host terminal equipment
that has a direct Public Switched Telephone Network connection (i.e.
have a REN stated on the label) and the highest REN
4. Disruption of the Network
If the Siemens “OpenStage” IP-based telephone causes harm and dis-
rupts the telephone network, the telephone company can discontinue
your service temporarily. If possible, the telephone company will notify
you in advance. If advance notice is not practical, they will notify you
as soon as possible. You are also informed of your right to file a com-
plaint with the FCC.
5. Telephone Company Facility Changes
The telephone company can make changes in its facilities, equipment,
operations, or procedures that can affect the operation of your equip-
ment. If they do, you should be notified in advance so you have an op-
portunity to maintain uninterrupted telephone service.
6. Hearing-Aid Compatibility
Telephones for emergency use and telephones installed in common ar-
eas such as lobbies, hospital rooms, elevators, and hotel rooms must
have handsets that are compatible with magnetically coupled hearing
aids. Persons who are not in common areas must also be provided
with hearing-aid compatible handsets, if needed.
The Siemens “OpenStage” IP-based telephone is hearing aid compat-
ible and complies with the FCC Rules, Part 68, Section 68.316 Hearing
Aid Compatibility and 68.317 volume control requirements.
7. Programmed Dialer Features
When you program emergency numbers or make test calls to emer-
gency numbers using Siemens products with programmed dialer fea-
tures, stay on the line and briefly explain to the dispatcher the reason
for the call before hanging up. Perform these activities in off-peak
hours, such as early morning or late evening.
8. Electrical Safety Advisory
While the Siemens “OpenStage” IP-based telephone is fully compliant
with FCC rules and regulations, it is recommended that an alternating
current (ac) surge arrestor of the form and capability suitable for the
model purchased be installed in the ac outlet to which the power sup-
ply for Siemens “OpenStage” IP-based telephone is connected. Con-
sult with you distributor as to the surge protector requirements for your
equipment.