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Publication of FR47229EpublicationCriticalpatent/FR47229E/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
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Devices For Supply Of Signal Current
(AREA)
FR47229D1935-03-181936-03-18Dispositif téléphonique d'enregistrement et de reproduction
ExpiredFR47229E
(fr)