Apparatus for direct line switching
AssigneeSiemens Aktiengesellschaft
InventorsArtur Nagel, Roland Wissaert
Life of this patent
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Abstract
Apparatus is described for use in centrally controlled telecommunication switching systems having direct line service facilities. A direct line key, via a direct line repeater, is directly connected to a specified direct line station. Through operation of an exchange key, e.g., at a switchboard, the link connecting process to the direct line station is begun using a connecting path which is ready for seizure.
Claims1
In a telecommunication system having subscriber stations, an operator station, a central control, identifier means, normal switching network means for completing connections within the system via internal repeater means and without the system via trunk repeater means and a direct line switching network for direct line connections of subscriber stations having the direct connection capability to direct line coupling means, said operator station having exchange key means for connecting said operator station to said trunk repeater and direct line key means for marking and identifying direct line subscriber stations and means responsive thereto for connecting the operator with the corresponding direct line subscriber station via said direct line coupling means, the improvement comprising:
- identifying means operable responsive to actuation of said exchange key means and said direct line key means for marking and identifying in said direct line coupling means said direct line subscriber station to which an incoming call from said trunk repeater means is to be connected and
- switching means operable responsive to the result of the operation of said identifying means for forming a normal connection path between said trunk repeater means and said direct line subscriber station to which the incoming call is to be connected.
Dependencies are inferred from the claim text.