SIP to Win How to make phone calls over the internet. by Rob Stead www.robstead.co.uk

Quickly Covered Why use VoIP? Topography Some Terminology Trixbox (a solution) Trixbox demo Some Issues Useful links

Why use VoIP?

Topography

Some Terminology

Trixbox (a solution)

Trixbox demo

Some Issues

Useful links

Why user VoIP Cost effective Cheap or free – hardware, software and calls Can use ‘normal’ phones Flexible Expandable Great for remote offices and workers

Cost effective

Cheap or free – hardware, software and calls

Can use ‘normal’ phones

Flexible

Expandable

Great for remote offices and workers

Topography

Topography

Topography

Topography

Topography

Topography

Topography

Topography

Topography

Topography

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

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

Trixbox Available from www.trixbox.org as a downloadable CD image. Includes Asterisk, FreePBX and lots of over useful stuff.

Available from www.trixbox.org as a downloadable CD image.

Includes Asterisk, FreePBX and lots of over useful stuff.

Trixbox Demo Using my home test system

Using my home test system

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

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

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

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