SIP to Win – How VoIP Can Work for You
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Rob Stead @ 2009 Lasa Circuit Rider Conference -- VoIP is a viable alternative to the traditional phone system bringing flexibility, reliability and substantial cost savings. In this session an overview will be given, terminology explained and a practical demonstration given using Trixbox (www.trixbox.org), an Open Source phone system.
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SIP to Win – How VoIP Can Work for You
- 1. SIP to Win How to make phone calls over the internet. by Rob Stead www.robstead.co.uk
- 2. Quickly Covered • Why use VoIP? • Topography • Some Terminology • Trixbox (a solution) • Trixbox demo • Some Issues • Useful links
- 3. Why user VoIP • Cost effective – Cheap or free – hardware, software and calls – Can use ‘normal’ phones • Flexible – Expandable – Great for remote offices and workers
- 4. Topography BT Phone BT Exchange Phone System
- 5. Topography ZAP BT Phone BT Exchange ZAP Phone System
- 6. Topography The Internet ZAP BT Phone BT Exchange ZAP Phone System
- 7. Topography The Internet ISP Who Provides VoIP ZAP BT Phone BT Exchange ZAP Phone System
- 8. Topography SIP The Internet ISP Who Provides VoIP ZAP BT Phone BT Exchange ZAP VoIP Server
- 9. Topography SIP or IAX The Internet ISP Who Provides VoIP ZAP BT Phone BT Exchange ZAP VoIP Server
- 10. Topography SIP SIP Phone SIP or IAX SIP BT Phone The Internet ISP Who Provides VoIP IAX BT Phone BT Phone ZAP SIP BT Phone BT Exchange ZAP VoIP Server
- 11. Topography SIP Wi-Fi Phone BT Phone Softphone SIP or IAX SIP BT Phone The Internet ISP Who Provides VoIP IAX BT Phone BT Phone ZAP SIP BT Phone BT Exchange ZAP VoIP Server
- 12. Topography Wi-Fi Phone SIP Phone Softphone SIP SIP or IAX SIP BT Phone The Internet ISP Who Provides VoIP IAX ISP Who Provides VoIP BT Phone ISP Who Provides VoIP BT Phone ZAP SIP BT Phone BT Exchange ZAP VoIP Server
- 13. Topography Wi-Fi Phone SIP Phone Softphne SIP SIP or IAX SIP BT Phone The Internet ISP Who Provides VoIP IAX ISP Who Provides VoIP BT Phone ISP Who Provides VoIP BT Phone ENUM VoIP Server SIP BT Phone ZAP ZAP VoIP Server BT Exchange
- 14. Some Terminology • VoIP – Voice over Internet Protocol • SIP – Session Initiation Protocol – like http but for VoIP • IAX – Inter-Asterisk Exchange – like SIP • Asterisk – Open Source VoIP system • FreePBX – Open Source switchboard • Trixbox – Bundled software package to create a VoIP Server • Trunk – A SIP or IAX connection for making calls
- 15. Trixbox • Available from www.trixbox.org as a downloadable CD image. • Includes Asterisk, FreePBX and lots of over useful stuff.
- 16. Trixbox Demo • Using my home test system
- 17. Some Issues • Call quality – Use dedicated ADSL line and avoid Zap • Phone system becomes more of an IT issue • Trixbox but getting better all the time but issues some time • Initially complicated • Requires a little localisation for UK
- 18. Useful Link • Trixbox – www.trixbox.org • Gradwell – www.gradwell.com • Voipon – www.voipon.co.uk • Voiptalk – www.voiptalk.co.uk • Zoiper – www.zoiper.com • Bria – www.counterpath.net