diff --git a/pjmedia/build/pjmedia_codec.dsp b/pjmedia/build/pjmedia_codec.dsp
index 1c66ed2..373d535 100644
--- a/pjmedia/build/pjmedia_codec.dsp
+++ b/pjmedia/build/pjmedia_codec.dsp
@@ -130,6 +130,10 @@
 # End Source File
 # Begin Source File
 
+SOURCE="..\src\pjmedia-codec\ipp_codecs.c"
+# End Source File
+# Begin Source File
+
 SOURCE="..\src\pjmedia-codec\l16.c"
 
 !IF  "$(CFG)" == "pjmedia_codec - Win32 Release"
@@ -176,6 +180,10 @@
 # End Source File
 # Begin Source File
 
+SOURCE="..\include\pjmedia-codec\ipp_codecs.h"
+# End Source File
+# Begin Source File
+
 SOURCE="..\include\pjmedia-codec\l16.h"
 # End Source File
 # Begin Source File
diff --git a/pjmedia/build/pjmedia_codec.vcproj b/pjmedia/build/pjmedia_codec.vcproj
index 7f2e47a..f22bf73 100644
--- a/pjmedia/build/pjmedia_codec.vcproj
+++ b/pjmedia/build/pjmedia_codec.vcproj
@@ -42,7 +42,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="../include,../../pjlib/include,../../third_party/speex/include"
+				AdditionalIncludeDirectories="../include;../../pjlib/include;../../third_party/speex/include"
 				PreprocessorDefinitions="_DEBUG;WIN32;_LIB;PJ_WIN32=1;PJ_M_I386=1;HAVE_CONFIG_H"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -119,7 +119,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../include,../../pjlib/include,../../third_party/speex/include"
+				AdditionalIncludeDirectories="../include;../../pjlib/include;../../third_party/speex/include;&quot;../../../ipp-samples/speech-codecs/core/usc/include&quot;"
 				PreprocessorDefinitions="NDEBUG;WIN32;_LIB;PJ_WIN32=1;PJ_M_I386=1;HAVE_CONFIG_H"
 				StringPooling="true"
 				RuntimeLibrary="2"
@@ -224,6 +224,10 @@
 				</FileConfiguration>
 			</File>
 			<File
+				RelativePath="..\src\pjmedia-codec\ipp_codecs.c"
+				>
+			</File>
+			<File
 				RelativePath="..\src\pjmedia-codec\l16.c"
 				>
 				<FileConfiguration
@@ -309,6 +313,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\include\pjmedia-codec\ipp_codecs.h"
+				>
+			</File>
+			<File
 				RelativePath="..\include\pjmedia-codec\l16.h"
 				>
 			</File>