Links

Trixbox links

• Largest Asterisk info site on the net
• Great site with lots of trixbox add-ons and tips
• Video tutorials on trixbox and Asterisk
• Australian trixbox and Asterisk wiki site
• Install guides for trixbox and A2billing
• Tutorial for Trixbox

• Elastix - a TrixBox fork

Asterisk links

• Asterisk: The Future of Telephony by O'Reilly. (download) O’Reilly has licensed the book under the creative commons license and as such, you are free to download and distribute it.
• Large collection of Asterisk-related links.

DUNDi links

• Imformation about how to setup a DUNDi connection between two (or more) Trixboxes.
• DUNDi.com

Bandwidth calculators

• Whitepaper about bandwidth and compression selection for your softphone
• VoIP bandwidth calculator
• Bandwidth by Asterisk and Iax2

Codecs links

• Information about the G.711 codec