Last Update: 7 December 2009
Note - this may not be the best or the right configuration - I offer it purely on a it-works-for-me basis! Feel free to improve!
In the following, [my-voiptalk-id] is typically about 9 digits long and can be found on your account page. [my-voiptalk-password] is a set of random letters and numbers, eg. f3z64E, which can be found by clicking on the ID on your account page.
Inbound routing in dialplan/public/12_voiptalk.xml is then:
For outgoing calls, I use something like the following: