ES258954A1 - Improvements in, or relative to, automatic telecommunication centers (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in, or relative to, automatic telecommunication centers (Machine-translation by Google Translate, not legally binding)
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Espana SA, Standard Electrica SAfiledCriticalAlcatel Espana SA
Priority to ES0258954ApriorityCriticalpatent/ES258954A1/en
Publication of ES258954A1publicationCriticalpatent/ES258954A1/en
Improvements in or relating to automatic telecommunication exchanges of the type having registers to register the number of the line of a desired subscriber and to control the establishment of a desired connection, in which each recorder is provided with signaling means to transmit signals over the circuit by which the recorder has been picked up, by the subscriber's line circuit calling a service class indicator circuit common to a number of subscriber lines that includes the calling line, and with receiving means to receive from said indicating circuit by a direct circuit independent of said subscriber line circuit, signals indicating the class of service of the line, with which the recorder can control the desired connection according to the class of service of the calling subscriber line . (Machine-translation by Google Translate, not legally binding)
ES0258954A1960-06-151960-06-15Improvements in, or relative to, automatic telecommunication centers (Machine-translation by Google Translate, not legally binding)
ExpiredES258954A1
(en)