NF EN 302091-4:2014现行
Broadband Integrated Services Digital Network (B-Isdn) And Broadband Private Integrated Services Network (B-Pisn) - Digital Subscriber Signalling System No. Two (Dss2) And Broadband Inter-Exchange Signalling (B-Qsig) And Signalling System No.7 (Ss7) - Prenegotiation - Part 4: Abstract Test Suite (Ats) And Partial Protocol Implementation Extra Information For Testing
出版：Association Francaise de Normalisation
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