The libosip library is known to compile on various platform:
* GNU/Linux
* MacOSX (Darwin)
* OpenBsd 3.1/3.2 // (FreeBSD&NetBSD should also work)
* Windows NT/95/2000 (VC++6.0 or cygwin)
* Solaris
* hp-Unix.
* VxWorks.
* Some embedded systems with linux.
* WinCE (report to be possible)
