Terena Networking Conference 2003
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1 Terena Networking Conference 2003 Zagreb Croatia May 2003 The IP Telephony Cookbook Project Saverio Niccolini University of Pisa, Italy 23/06/2003 Saverio Niccolini Slide 1
2 IP Telephony Cookbook Project Motivations: TERENA started an investigation into IP Telephony in September 2001 First output: Suggestions were made to coordinate the creation of a cookbook with recommendations for setting up IP telephony solutions at campus and university level Second output: Two meetings were organized by TERENA: March 2002, TERENA workshop on IP Telephony, TERENA premises, Amsterdam, The Netherlands June 2002, VoIP meeting at TERENA Networking Conference 2002, University of Limerick, Limerick, Ireland 23/06/2003 Saverio Niccolini Slide 2
3 Objectives of the project Provide overview, information and guidelines for: Basics of IP telephony (protocols, basic and advanced services); Technologies (hardware/software) available today Trends for the near future; How to build a IP Telephony infrastructure; Regulatory and legal aspects; Information about past and present IP telephony projects in Europe. 23/06/2003 Saverio Niccolini Slide 3
4 1. Introduction Target audience Scope Contents HOW-TO read (for readers who do not want to read the all cookbook in order to find what they need) 2. Technology Background Components (endpoints, server, gateways) Protocols (H.323, SIP and so on...) 23/06/2003 Saverio Niccolini Slide 4
5 3. IP Telephony Scenarios IP Backbone Long-distance least cost routing? GW GW GW GW GW PSTN New York PSTN Florence PSTN Rome PSTN Tokyo PSTN Sydney Caller Callee 23/06/2003 Saverio Niccolini Slide 5
6 3. IP Telephony Scenarios PBX ISDN/PSTN PBX GW GW VoIP PC IP Network Branch Office VoIP PC Integration with legacy PBX Headquarters 23/06/2003 Saverio Niccolini Slide 6
7 3. IP Telephony Scenarios Integration VoIP and Videoconferencing (it s the same anyway) Seamless interconnection Point to point conferencing 23/06/2003 Saverio Niccolini Slide 7
8 4. Setting up Basic Services H.323<-->SIP Gateway? Basic SIP Service? GW Basic H.323 Service? H.323 GK SIP Proxy 23/06/2003 Saverio Niccolini Slide 8
9 5. Setting up Advanced Services (telephony-centric) Supplementary services: Call transfer, hold/retrieve, diversion, deflection Call waiting, call completion on busy subscriber More complete H.323-SIP-PSTN/ISDN gatewaying Also addressing supplementary services Seamless transition to real value-added services... 23/06/2003 Saverio Niccolini Slide 9
10 6. Setting up Value-added Services (in addition to pure telephony) Voice-data integration Web-based features (click-to dial, etc.) Integration of presence and instant messaging 23/06/2003 Saverio Niccolini Slide 10
11 7. Global telephony integration Dial plans for Global Dialing Schemes (GDS) seamless connecting IP world to legacy telephony systems? X X World gatekeeper hierarchy? Towards decentralized architectures? 23/06/2003 Saverio Niccolini Slide 11
12 8. Regulatory / Legal considerations Regulation of VoIP in Europe and other countries Legal framework and problems (licensing, unbundling, etc. etc.) Annex: A. European IP Telephony Projects Details about present, past and future IP Telephony project all around Europe B. IP Telephony Hardware/Software Hands on IP Telephony: What is supported Overall experiencies and evalutions about technical features, bugs and interoperability 23/06/2003 Saverio Niccolini Slide 12
13 Deliverables and time plan 1. Introduction 2. Technology Background 3. IP Telephony Scenarios 4. Setting up Basic Services 5. Setting up Advanced Services 6. Setting up Value-Added Services 7. Global telephony integration 8. Regulatory / Legal considerations Annex: A. European IP Telephony Projects B. IP Telephony Hardware/Software D1 (release date: 1st August 2003) Release date of the finished cookbook: 1st March 2004 D2 (release date: 1st November 2003) D3 (release date: 1st February 2004) Developed during all the project life (release date: 1st March 2004) The documents will be provided in digital format (HTML and/or PDF). TERENA decided to have the information and deliverables published as soon as these become available. 23/06/2003 Saverio Niccolini Slide 13
14 Partners and contributors Three partners (responsible for the results of the cookbook): University of Pisa (Saverio Niccolini, project coordinator) (Stefano Giordano, Rosario Garroppo) Universität Bremen TZI (Jörg Ott, Stefan Prelle) FhG Fokus (Dorgham Sisalem, Jiri Kuthan) A number of contributors (volunteering to provide input to the cookbook): CESNET (Sven Ubik) Karl-Franzens-Uni Graz (Margit Brandl) GRNET (Dimitris Daskopoulos) SURFnet (Erik Dobbelsteijn, Egon Verharen) 23/06/2003 Saverio Niccolini Slide 14
15 Project funding information Funding to the project is provided by: TERENA (The Netherlands) ARNES (Slovenia) CARNET (Croatia) CYNET (Cyprus) SUNET (Sweden) UKERNA (United Kingdom) Funding shortage of 20% is covedere by partners self-financing You can still contact Valentino Cavalli if you want to offer more funding 23/06/2003 Saverio Niccolini Slide 15
16 Conclusions Why is the IP Telephony Cookbook be useful? Technology background (if you need it ) Useful guidelines and information at any knowledge level (from basic to advanced) Trends on the near future Full knowledge of experiences in Europe (from technical to legal) Avoid running into the same issues over and over again Who needs it? Students at the Universities Network Administrators at the NRENs Reaserchers at Universities and NRENs 23/06/2003 Saverio Niccolini Slide 16
17 Useful links IP Telephony Cookbook home page (general, background, meetings and mailing list information): TERENA VoIP mailing list archive: 23/06/2003 Saverio Niccolini Slide 17
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