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Application filed by TeleverketfiledCriticalTeleverket
Priority to SE9203138ApriorityCriticalpatent/SE9203138L/sv
Publication of SE9203138D0publicationCriticalpatent/SE9203138D0/sv
Publication of SE470040BpublicationCriticalpatent/SE470040B/sv
Publication of SE9203138LpublicationCriticalpatent/SE9203138L/sv
Dispositif de circuits pour le controle automatique de la continuite de transmission d'une liaison,entre l'abonne d'appel et celuiqui est appele dans un reseau de conversation et de transmission de donnes