Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04Q 5/20

the subordinate centre permitting interconnection of subscribers connected thereto

Introduced: September 1968

Full Title

Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange > with indirect connection, i.e. through subordinate switching centre > the subordinate centre permitting interconnection of subscribers connected thereto

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