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>ETSI ETS Conformance test specification for ISDN User-Network interface ISDN supplementary services interactions & provision of PIXIT proformas
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ETSI ETS

Conformance test specification for ISDN User-Network interface ISDN supplementary services interactions & provision of PIXIT proformas

CURRENCY
LANGUAGE
English
Standard number:ETSI ETS
Language:English
Pages:1997-09-21
DESCRIPTION

ETSI ETS


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