- List of Figures and Tables
- Zusammenfassung
- Summary
- 1 Introductio
- 1.1 Goal of the study
- 1.2 Methodology
- 2 Transmissions over IP networks
- 2.1 End-user requirements
- 2.2 Network requirements
- 2.3 Conclusions
- 3 VoIP techniques
- 3.1 Voice codecs and transmission of voice information
- 3.2 VoIP architectures and protocols
- 3.3 Additional VoIP nodes and systems
- 3.4 Features of Voice Networks
- 3.5 Conclusions
- 4 Interconnection of VoIP networks
- 4.1 VoIP basic scenarios
- 4.2 VoIP in an NGN context
- 4.3 Conclusions
- 5 Particularities of costs considerations of VoIP networks
- 5.1 Costs consideration for deploying a VoIP network
- 5.2 Quality of Service
- 5.3 Interconnection between two operators
- 5.4 Common use of the access network: The border between the access network and the voice switching network
- 5.5 Conclusions
- 6 Final Conclusions
- Annex 1: Softswitch for the migration from PSTN to NGN 40
- References
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