2007-10-19 In a flash of thinking in the morning (t ... 11 years ago
In a flash of thinking in the morning (this is not very usual for me) I remembered that the Asterisk server I set up has quite strict firewalling rules. This does not combine very well with RTP audio. I changed the firewalling rules to accept the RTP ports configured in Asterisk and suddenly: audio from a call to the xs4all test number. Woohoo! A working call!