TR 23.911
Technical report on Out-of-Band Transcoder Control
V4.0.0 (PDF)
2001/04 32 p.
V3.0.1
2000/05 31 p.
- Rapporteur:
- Mr. Schmitt, Peter
full Table of Contents for TR 23.911 Word version: 4.0.0
1 Scope p. 5
The purpose of the present document is to study:
- The feasibility of out-of-band transcoder control in UMTS/IMT-2000 networks.
- The impact of out-of-band transcoder control on the UMTS/IMT-2000 specifications.
2 References p. 5
3 Definitions and Abbreviations p. 5
4 Introduction p. 5
5 Service requirements p. 6
6 Interaction with existing services p. 7
7 Proposed procedures p. 7
7.1 In-band TFO (enhancement) p. 7
7.2 Out-of-band transcoder control (Alternative 1) p. 9
7.3 Out-of-band transcoder control (Alternative 2) p. 12
7.4 Out-of-band transcoder control (Alternative 3) p. 15
7.5 Out-of-band transcoder control (Alternative 4) p. 17
7.5.1 UMTS UE - UMTS UE call, APM possible in the whole path of the call p. 18
7.5.2 UMTS MS - UMTS MS call, APM not possible in the whole path of the call p. 19
7.5.3 UMTS UE - GSM UE call p. 21
7.5.4 GSM MS to UMTS UE call, APM supported in GSM p. 23
7.5.5 Handover from UMTS to GSM, after end-to-end transcoder free operation establishment p. 25
8 Comparison of proposed procedures p. 26
8.1 Service limitations p. 26
8.2 Impacts on the current system p. 26
8.2.1 Impacts to the current GSM system p. 26
8.2.2 Impacts to the specifications p. 26
8.2.3 Punctuality for Release 99 p. 27
8.3 Configuration p. 27
8.4 Quality of service p. 28
8.5 Maintenance for future expansion p. 28
9 Conclusion p. 28
$ Change history p. 30
