Report copyright - ES 203 915-4-4 - V1.2.1 - Open Service Access (OSA); Application … ES 203 915-4-4 V1.2.1 (2007-01... · 2012. 8. 5. · ETSI 2 ETSI ES 203 915-4-4 V1.2.1 (2007-01) Reference RES/TISPAN-01029-04-04-OSA
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