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Standards [CURRENT]

ETS 300362
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call offer supplementary service

Title (German)

Privates Fernmeldenetz (PTN) - Protokoll der externen Leitungszeichengabe - Zusatzdienst Rufangebot

Edition 1994-11
Original language English
Price On Request
Table of contents

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