Panasonic KX-TGM420 Operating Instructions Manual page 190

equipment is causing harm to the telephone network,
the telephone company may request that you
disconnect the equipment until the problem is
resolved.
Connection to party line service is subject to state
tariffs. Contact the state public utility commission,
public service commission or corporation commission
for information.
If your home has specially wired alarm equipment
connected to the telephone line, ensure the installation
of this equipment does not disable your alarm
equipment. If you have questions about what will
disable alarm equipment, consult your telephone
company or a qualified installer.
This equipment is hearing aid compatible as defined by
the FCC in 47 CFR Section 68.316.
When you hold the phone to your ear, noise might be
heard in your Hearing Aid. Some Hearing Aids are not
adequately shielded from external RF (radio frequency)
energy. If noise occurs, use an optional headset
accessory or the speakerphone option (if applicable)
when using this phone. Consult with your audiologist
or Hearing Aid manufacturer about the availability of
Hearing Aids which provide adequate shielding to RF
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