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A W T Profoss VoIP & Asterisk

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ir. Carmelo Zaccone
ir. Carmelo Zaccone

The document discusses Voice over IP (VoIP) and IP telephony. It explains that VoIP allows phone calls to be made over an IP network like the internet instead of the traditional public switched telephone network (PSTN). VoIP offers cost savings compared to PSTN and enables additional features like video calls and mobility. The document also discusses when companies should consider replacing their private branch exchange (PBX) phone system with an IP telephony system using VoIP.

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VOIP & Asterisk introduction ir. Zaccone Carmelo Expert en Télécommunications et Technologies de l'Information Agence Wallonne des Télécommunications www.awt.be Avenue de Stassart, 16 Tél.: +32 81 77.80.76 B-5000 NAMUR www.linkedin.com/in/zaccone Professional users of Free & Open Source Software October 9 & 10 2007: Asterisk and VoIP Event
Preamble Who’s AWT ?
AWT in a nutshell: an agency of the Belgian Walloon Government ,[object Object],[object Object],[object Object],[object Object],[object Object]
AWT, an agency of the Belgian Walloon Government Observatory and ICT diagnostic center Technology & Legal watch center Service center for the enterprises of the ICT sector Information Collaboration Leadership Portal www.awt.be Main diffusion channel of the AWT services Participation (conference, fair, workshop, …) government (RW), public sector, entreprise, citizen, etc. Promotion Why? How? With who?
Telephony ,[object Object],[object Object]
How telephony operates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1 © Sciences de Bouillet, 1750
The ancestor of V/ToIP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2 © 1667, Robert Hooke 3 standardization organism ITU-T
From analog to digital ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],4 Frequency 0-4 khz 5 Analog: frequency modulation
Network convergence and adoption of IP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Success factors ,[object Object],[object Object],[object Object]
Why voice over packet ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why voice over packet ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Which is the right moment to give up with traditional PABX? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is IP telephony ? ,[object Object],[object Object]
VoIP is not the perfect synonym of ToIP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
VoIP is not the perfect synonym of ToIP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],9 also named SoftSwitch
ToIP ‘s deployment scales ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
New phone headset ,[object Object],[object Object],[object Object],[object Object]
IP Phone variations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10 using the same plug as PC (RJ45 ) for data and current (PoE)
Telephony application ,[object Object],[object Object],[object Object],[object Object]
Operation principles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
First step: Network parameter exchange ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet sharing (PAT/NAT) is a problem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Second step: The communication itself ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Security challenges in IP telephony ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Securing IP telephony ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What are the protections ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Computer Telephony Integration (CTI) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IP telephony has many flavors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Proprietary norm or well established standard? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Deployment models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
V/ToIP (Multimedia) architecture models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Technologies Telco driven: PBX is king ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IP pbx Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How (IP)pbx calls works ? The Octopus at work! Line 1 in port 1 Line 2 in port 2 Line 3 in port 3 Line 4 in port 4 IP enable the virtualization of the physical port!
Asterisk in a slide… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NB: Some OS IPtel players have understood eg: carrierclass.net
Asterisk market view ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Technologies Internet driven: network is king ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Technologies Internet driven: network is king ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How Next Gen calls works ? The Ant at work!
IPtel economy in the RW… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IPtel actors in the RW… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Conclusion Key advices from the AWT in the domain of IP Telephony
Advices from the AWT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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A W T Profoss VoIP & Asterisk

  • 1. VOIP & Asterisk introduction ir. Zaccone Carmelo Expert en Télécommunications et Technologies de l'Information Agence Wallonne des Télécommunications www.awt.be Avenue de Stassart, 16 Tél.: +32 81 77.80.76 B-5000 NAMUR www.linkedin.com/in/zaccone Professional users of Free & Open Source Software October 9 & 10 2007: Asterisk and VoIP Event
  • 3.
  • 4. AWT, an agency of the Belgian Walloon Government Observatory and ICT diagnostic center Technology & Legal watch center Service center for the enterprises of the ICT sector Information Collaboration Leadership Portal www.awt.be Main diffusion channel of the AWT services Participation (conference, fair, workshop, …) government (RW), public sector, entreprise, citizen, etc. Promotion Why? How? With who?
  • 5.
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  • 34.
  • 35. How (IP)pbx calls works ? The Octopus at work! Line 1 in port 1 Line 2 in port 2 Line 3 in port 3 Line 4 in port 4 IP enable the virtualization of the physical port!
  • 36.
  • 37.
  • 38.
  • 39.
  • 40. How Next Gen calls works ? The Ant at work!
  • 41.
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  • 43. Conclusion Key advices from the AWT in the domain of IP Telephony
  • 44.