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Publication of FR1129162ApublicationCriticalpatent/FR1129162A/fr
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
H04M1/65—Recording arrangements for recording a message from the calling party
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Engineering & Computer Science
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Signal Processing
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FR1129162D1955-07-181955-07-18Procédé pour la transmission rapide de messages et installation pour la mise en oeuvre de ce procédé
ExpiredFR1129162A
(fr)