Your SlideShare is downloading. ×
0
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
SIP to Win: VOIP telephony
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

SIP to Win: VOIP telephony

2,067

Published on

Rob Stead talks about open source VOIP telephony at London Riders 8 December 2008.

Rob Stead talks about open source VOIP telephony at London Riders 8 December 2008.

Published in: Technology, Business
0 Comments
4 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
2,067
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
141
Comments
0
Likes
4
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. SIP to Win How to make phone calls over the internet. by Rob Stead www.robstead.co.uk
  • 2. Quickly Covered <ul><li>Why use VoIP? </li></ul><ul><li>Topography </li></ul><ul><li>Some Terminology </li></ul><ul><li>Trixbox (a solution) </li></ul><ul><li>Trixbox demo </li></ul><ul><li>Some Issues </li></ul><ul><li>Useful links </li></ul>
  • 3. Why user VoIP <ul><li>Cost effective </li></ul><ul><ul><li>Cheap or free – hardware, software and calls </li></ul></ul><ul><ul><li>Can use ‘normal’ phones </li></ul></ul><ul><li>Flexible </li></ul><ul><ul><li>Expandable </li></ul></ul><ul><ul><li>Great for remote offices and workers </li></ul></ul>
  • 4. Topography
  • 5. Topography
  • 6. Topography
  • 7. Topography
  • 8. Topography
  • 9. Topography
  • 10. Topography
  • 11. Topography
  • 12. Topography
  • 13. Topography
  • 14. Some Terminology <ul><li>VoIP – Voice over Internet Protocol </li></ul><ul><li>SIP – Session Initiation Protocol – like http but for VoIP </li></ul><ul><li>IAX – Inter-Asterisk Exchange – like SIP </li></ul><ul><li>Asterisk – Open Source VoIP system </li></ul><ul><li>FreePBX – Open Source switchboard </li></ul><ul><li>Trixbox – Bundled software package to create a VoIP Server </li></ul><ul><li>Trunk – A SIP or IAX connection for making calls </li></ul>
  • 15. Trixbox <ul><li>Available from www.trixbox.org as a downloadable CD image. </li></ul><ul><li>Includes Asterisk, FreePBX and lots of over useful stuff. </li></ul>
  • 16. Trixbox Demo <ul><li>Using my home test system </li></ul>
  • 17. Some Issues <ul><li>Call quality – Use dedicated ADSL line and avoid Zap </li></ul><ul><li>Phone system becomes more of an IT issue </li></ul><ul><li>Trixbox but getting better all the time but issues some time </li></ul><ul><li>Initially complicated </li></ul><ul><li>Requires a little localisation for UK </li></ul>
  • 18. Useful Link <ul><li>Trixbox – www.trixbox.org </li></ul><ul><li>Gradwell – www.gradwell.com </li></ul><ul><li>Voipon – www.voipon.co.uk </li></ul><ul><li>Voiptalk – www.voiptalk.co.uk </li></ul><ul><li>Zoiper – www.zoiper.com </li></ul><ul><li>Bria – www.counterpath.net </li></ul>

×