ES352882A1 - Metodo para medir el cargo por llamada en telecomunicacio- nes controladas centralmente, particularmente en sistemas decentrales telefonicas.
- Google Patents
Metodo para medir el cargo por llamada en telecomunicacio- nes controladas centralmente, particularmente en sistemas decentrales telefonicas.
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.)
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Nokia Spain SA
Original Assignee
Alcatel Espana SA
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Publication date
Application filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Publication of ES352882A1publicationCriticalpatent/ES352882A1/es
H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Meter Arrangements
(AREA)
ES352882A1967-04-181968-04-18Metodo para medir el cargo por llamada en telecomunicacio- nes controladas centralmente, particularmente en sistemas decentrales telefonicas.
ExpiredES352882A1
(es)
Improvements relating to arrangements for automatically identifying calling numbers pertaining to calling lines in telephone systems, and for automatically deriving other information pertaining to such lines
Improvements relating to arrangements for automatically identifying calling numbers pertaining to calling lines in telephone systems, and for automatically deriving other information pertaining to such lines