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PCE
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DIFF Subgroup
H04Q 5/18

with indirect connection, i.e. through subordinate switching centre

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

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • H04Q 5/20 the subordinate centre permitting interconnection of subscribers connected thereto IPC+CPC Available in IPC and CPC
  • H04Q 5/22 the subordinate centre not permitting interconnection of subscribers connected thereto IPC+CPC Available in IPC and CPC