Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04M
TELEPHONIC COMMUNICATION
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Substation equipment, e.g. for use by subscribers
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H04M1/247
Telephone sets including user guidance or feature selection means facilitating their use
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H04M1/2471
Configurable and interactive telephone terminals with subscriber controlled features modifications, e.g. with ADSI capability [Analog Display Services Interface]
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