CA2011842C - Appareil telephonique a acces controle
- Google Patents
Appareil telephonique a acces controle
Info
Publication number
CA2011842C
CA2011842CCA 2011842CA2011842ACA2011842CCA 2011842 CCA2011842 CCA 2011842CCA 2011842 CA2011842 CA 2011842CA 2011842 ACA2011842 ACA 2011842ACA 2011842 CCA2011842 CCA 2011842C
Authority
CA
Canada
Prior art keywords
control information
telephone
recording medium
telephone device
call
Prior art date
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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
Priority claimed from JP1059248Aexternal-prioritypatent/JPH02238754A/ja
Priority claimed from JP8193189Aexternal-prioritypatent/JPH02260954A/ja
Application filed by Toshiba CorpfiledCriticalToshiba Corp
Publication of CA2011842A1publicationCriticalpatent/CA2011842A1/fr
Application grantedgrantedCritical
Publication of CA2011842CpublicationCriticalpatent/CA2011842C/fr