Setting up Twinkle and asterisk on the same machine
If you want to use Twinkle on the same machine as your asterisk instance, you'll need to change the SIP port that Twinkle uses.
Assuming asterisk is up an running, you'll get this error message when you start Twinkle:
Failed to create a UDP socket (SIP) on port 5060Address already in use
Hit "System Settings" on this screen:
And then choose network:
Change the SIP port to 5061 and it'll start up and connect to your local asterisk instance.