Other Web Sites
http://computer.howstuffworks.com/ip-telephony.htm describes how IP telephony works.
http://www.testmyvoip.com is a service that allows you to test the speed of your internet connection.
http://www.talkswitch.com/voip/voip_test.ph Another speed test site
http://www.voiptroubleshooter.com An excellent information site specalising in problem resolution
http://www.skype.com/ PC based VoIP service
http://www.noetictools.com/ download the Sipura Dial Plan Testing Tool
http://www.voipuser.org/ Community funded PSTN gateway system and general VoIP forum
http://www.phonechoice.com.au A good site to compare VoIP service providers and help you select the best one for you.
voipinfo.hakstege.net VoIP Voice over Internet protocol. Make free internet phonecalls. The pro’s and cons, tips and traps.
Other Useful Stuff
http://www.verzend.be site for uploading files to be shared with others
https://secure.logmein.com/go.asp?page=products_free Free software to allow other users to log onto your PC and help you with your configuration
http://vonage.nmhoy.net/qos.html provides an excellent explanation of how Quality of Service works.
http://www.jmgtechnology.com.au/Billion_VoIP_Guide.pdf A partially completed setup guide from JMG Jason