Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
H04Q5/18—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
H04Q5/20—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
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Sub-Exchange Stations And Push- Button Telephones
(AREA)
Schaltungsanordnung fuer Fernsprechanlagen, bei denen bei Stoerung einer zweiadrigen Verbindungsleitung deren Sperrung vorbereitet und durch eine darauffolgende Belegung der Leitung seitens eines Waehlers vollendet wird