IAX protocol
Changelog:
. 0.2.0.0
+ Allow more than one protocol instance
. 0.1.3.0
+ Added protocol icons
+ Added popups
* Fix for connection after connection failed
. 0.1.2.0
* Fix for wrong voiceservice version
+ Added protocol icon (thanks Angeli-Ka)
. 0.1.1.0
* Small fixes
* Compatibility with new voice service
. 0.1.0.0
+ Initial version