Overview of some interesting websites: Free Softphones: 3CX VoIP Phone (includes basic pbx): www.3cx.com ExpressTalk (a bulk of extra functions): www.nch.com.au Note that most extra functions expire after 30 days, and thus need to be purchased to retain those added gadgets. Kapanga Softphone (lots of settings and codecs): www.kapanga.net SJphone (good base functionality): www.sjphone.org X-lite (most popular within the market): www.xten.com (We only wonder what is "Lite" about an 7.3mb download ;-) General VoIP: Most extensive reference guide to all things VoIP: www.voip-info.org The SipBroker Gateway providing SIP interconnectivity: www.sipbroker.com Extracted overview of the SipBroker Provider codes: SIP Domain Prefixes UK based free personalised DDI (tollnumbers) provider: www.voipuser.org Handy information: A website to help with router setup for port forwarding: www.portforward.com