CA2102714C - Appels de telecommunication a assistance par operateur semi-automatique
- Google Patents
Appels de telecommunication a assistance par operateur semi-automatique
Info
Publication number
CA2102714C
CA2102714CCA002102714ACA2102714ACA2102714CCA 2102714 CCA2102714 CCA 2102714CCA 002102714 ACA002102714 ACA 002102714ACA 2102714 ACA2102714 ACA 2102714ACA 2102714 CCA2102714 CCA 2102714C
Authority
CA
Canada
Prior art keywords
call
station
message
data
switching system
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 US07/388,189external-prioritypatent/US5043983A/en
Priority claimed from US07/388,188external-prioritypatent/US5046183A/en
Application filed by American Telephone and Telegraph Co IncfiledCriticalAmerican Telephone and Telegraph Co Inc
Priority claimed from CA 2020240external-prioritypatent/CA2020240C/fr
Publication of CA2102714A1publicationCriticalpatent/CA2102714A1/fr
Application grantedgrantedCritical
Publication of CA2102714CpublicationCriticalpatent/CA2102714C/fr
Système de commutation vidéo, système de communication vidéo et méthode pour établir automatiquement des communications vidéo utilisant un commutateur téléphonique