Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers (H04M3/487 takes precedence; centralised dictation systems H04M11/10);

Full Title

Automatic or semi-automatic exchanges > Systems providing special services or facilities to subscribers (specially adapted for wireless communication networks H04W4/00) > Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers (H04M3/487 takes precedence; centralised dictation systems H04M11/10);

Child Classifications

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• H04M 3/51 Centralised call answering arrangements requiring operator intervention
• H04M 3/527 Centralised call answering arrangements not requiring operator intervention
• H04M 3/53 Centralised arrangements for recording incoming messages