ETSI TS 123 093

History (20)

• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Oct 2025 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Oct 2025 Published
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  May 2024 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Apr 2022 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jul 2020 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jul 2018 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Apr 2017 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jan 2016 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Dec 2011 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jan 2010 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jan 2009 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jul 2008 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jan 2008 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Oct 2007 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jul 2007 Revised
• Standard

  ETSI TS 123 093

  Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jan 2005 Revised
• Standard

  ETSI TS 123 093

  Digital Cellular Telecommunications System (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Jul 2002 Revised
• Standard

  ETSI TS 123 093

  Digital Cellular Telecommunications System (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical Realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
  Apr 2001 Revised
• Standard

  ETSI TS 123 093

  Digital Cellular Telecommunications System (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical Realization of Completion of Calls to Busy Subscriber (CCBS) - Stage 2
  Dec 2000 Revised
• Standard

  ETSI TS 123 093

  Digital Cellular Telecommunications System (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical Realization of Completion of Calls to Busy Subscriber (CCBS) - Stage 2
  Apr 2000 Revised