[Linphone-developers] Visual Studio 2008 "unresolved external symbol" error

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Hi!
I want to attach liblinphone SDK to my project on Windows (using Visual 
Studio 2008).
And i've got a documentation with a simple example here: 
http://ftp.twaren.net/Unix/NonGNU/linphone/docs/liblinphone/group__tutorial__liblinphone.html 


I've copied all necessary headers into my include dir and compiled this 
example. Compiling finished successfully, but linking failed with 
following errors:

1>main.obj : error LNK2019: unresolved external symbol 
_linphone_core_destroy referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol 
_linphone_call_unref referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol 
_linphone_core_terminate_call referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol 
_linphone_call_get_state referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _ms_usleep 
referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol 
_linphone_core_iterate referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol 
_linphone_call_ref referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol 
_linphone_core_invite referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol 
_linphone_core_new referenced in function _main

I have no idea about these errors.. It seems like lack of some 
libraries, but what kind of libraries and how can i get them?
Or maybe problem is something else and I'm just missing some obvious 
things?)

I'll be thankfull for any help.