SIP to Win: VOIP telephony

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

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

Trixbox
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

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

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

SIP to Win: VOIP telephony

by Miles Maier on Jan 09, 2009

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SIP to Win: VOIP telephony — Presentation Transcript