ETSI TS 129 198-12
- Universal Mobile Telecommunications System (UMTS); Open Service Access (OSA); Application Programming Interface (API); Part 12: Charging (3GPP TS 29.198-12 version 4.2.0 Release 4)
- standard by European Telecommunications Standards Institute, 12/01/2001
- Publisher: ETSI
$23.00$45.00
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