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PCE
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DIFF Subgroup
H04M 3/424

Arrangements for automatic redialling (at the subscriber's set H04M1/27)

Introduced: January 2000

Title

Titles differ between systems:

IPC: Arrangements for automatic redialling

CPC: Arrangements for automatic redialling (at the subscriber's set H04M1/27)

Full Title

Full titles differ between systems:

IPC:

Automatic or semi-automatic exchanges > Systems providing special services or facilities to subscribers > Arrangements for automatic redialling

CPC:

Automatic or semi-automatic exchanges > Systems providing special services or facilities to subscribers (specially adapted for wireless communication networks H04W4/00) > Arrangements for automatic redialling (at the subscriber's set H04M1/27)

No child classifications to compare. This is a leaf node in both IPC and CPC.