Recording arrangements

Introduced: July 1974

Last revised: January 2006

Full Title

Substation equipment, e.g. for use by subscribers > Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations > Recording arrangements

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC COMMUNICATION TECHNIQUE
Subclass:: TELEPHONIC COMMUNICATION

Related Keywords

RECORDING telephone messages

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

H04M 1/652 Means for playing back the recorded messages by remote control over a telephone line
H04M 1/654 Telephone line monitoring circuits therefor, e.g. ring detectors
H04M 1/656 for recording conversations
H04M 1/658 Means for redirecting recorded messages to other extensions or equipment