FD Z81-013

Public switched telephone network. Technical specification for type approval of direct dialling in private switching systems with mf socotel signalling.

Le présent document reproduit intégralement la spécification technique d'agrément PAA/TPA/AGH/1022 de juin 1990. Il définit les exigences auxquelles doivent satisfaire les systèmes de commutation privés munis d'un système de sélection directe à l'arrivée des postes téléphoniques supplémentaires et utilisant le système de signalisation MF SOCOTEL, pour l'obtention de l'agrément.

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