hot stuff:
---------

* ice support
* run a user given command upon incoming calls
* port to eXosip2 to have the following functionnalities:
	* support for incoming sip re-invites
	* support for incoming invites without SDP
* linphonec on win32

low priority:
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* zeroconf support for advertising services (cool stuff!)
* have the possibility to define several profiles (config files) and switch between them
* display call duration
* help tips for the registration box
* The length (or duration) of the call could be displayed (see icons2.png)
* 2. There could be a sound effect for "busy" - a short "beep-beep-beep" would be      sufficient (try http://www.google.com/search?q=busy.wav)
* The call history could be a bit more clear (see history.png). And it
  should be saved somewhere, so you can track your calls if you need to...
* full screen mode