ETSI TS 132 015
ETSI TS 132 015
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Telecommunication Management; Charging and billing; GSM call and event data for the Packet Switched (PS) domain (3G TS 32.015 version 3.2.0 Release 1999)
standard published 07/01/2000 by European Telecommunications Standards Institute
