diff --git a/Freeswitch.2012.sln b/Freeswitch.2012.sln
index f621731b85..81e0d72083 100644
--- a/Freeswitch.2012.sln
+++ b/Freeswitch.2012.sln
@@ -565,6 +565,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "xmltok", "libs\win32\xmlrpc
 EndProject
 Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "Setup.2012", "w32\Setup\Setup.2012.wixproj", "{47213370-B933-487D-9F45-BCA26D7E2B6F}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "make_math_fixed_tables", "libs\spandsp\src\msvc\make_math_fixed_tables.2012.vcxproj", "{2386B892-35F5-46CF-A0F0-10394D2FBF9B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		All|Win32 = All|Win32
@@ -3753,6 +3755,23 @@ Global
 		{47213370-B933-487D-9F45-BCA26D7E2B6F}.Release|x64 Setup.Build.0 = Release|x64
 		{47213370-B933-487D-9F45-BCA26D7E2B6F}.Release|x86 Setup.ActiveCfg = Release|x86
 		{47213370-B933-487D-9F45-BCA26D7E2B6F}.Release|x86 Setup.Build.0 = Release|x86
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.All|Win32.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.All|Win32.Build.0 = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.All|x64.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.All|x64 Setup.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.All|x86 Setup.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Debug|Win32.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Debug|Win32.Build.0 = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Debug|x64.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Debug|x64.Build.0 = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Debug|x64 Setup.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Debug|x86 Setup.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Release|Win32.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Release|Win32.Build.0 = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Release|x64.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Release|x64.Build.0 = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Release|x64 Setup.ActiveCfg = All|Win32
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B}.Release|x86 Setup.ActiveCfg = All|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -3867,6 +3886,7 @@ Global
 		{26C82FCE-E0CF-4D10-A00C-D8E582FFEB53} = {EB910B0D-F27D-4B62-B67B-DE834C99AC5B}
 		{C13CC324-0032-4492-9A30-310A6BD64FF5} = {EB910B0D-F27D-4B62-B67B-DE834C99AC5B}
 		{019DBD2A-273D-4BA4-BF86-B5EFE2ED76B1} = {EB910B0D-F27D-4B62-B67B-DE834C99AC5B}
+		{2386B892-35F5-46CF-A0F0-10394D2FBF9B} = {EB910B0D-F27D-4B62-B67B-DE834C99AC5B}
 		{EC3E5C7F-EE09-47E2-80FE-546363D14A98} = {B8F5B47B-8568-46EB-B320-64C17D2A98BC}
 		{1AD3F51E-BBB6-4090-BA39-9DFAB1EF1F5F} = {0C808854-54D1-4230-BFF5-77B5FD905000}
 		{ACFFF684-4D19-4D48-AF12-88EA1D778BDF} = {0C808854-54D1-4230-BFF5-77B5FD905000}
diff --git a/libs/spandsp/src/libspandsp.2010.vcxproj b/libs/spandsp/src/libspandsp.2010.vcxproj
index 5f48082eb1..a5284afe80 100644
--- a/libs/spandsp/src/libspandsp.2010.vcxproj
+++ b/libs/spandsp/src/libspandsp.2010.vcxproj
@@ -194,6 +194,7 @@
     <ClCompile Include="lpc10_encode.c" />
     <ClCompile Include="lpc10_placev.c" />
     <ClCompile Include="lpc10_voicing.c" />
+    <ClCompile Include="math_fixed.c" />
     <ClCompile Include="modem_echo.c" />
     <ClCompile Include="modem_connect_tones.c" />
     <ClCompile Include="noise.c" />
@@ -426,6 +427,9 @@
       <Project>{dee932ab-5911-4700-9eeb-8c7090a0a330}</Project>
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
     </ProjectReference>
+    <ProjectReference Include="msvc\make_math_fixed_tables.2012.vcxproj">
+      <Project>{2386b892-35f5-46cf-a0f0-10394d2fbf9b}</Project>
+    </ProjectReference>
     <ProjectReference Include="msvc\make_modem_filter.2010.vcxproj">
       <Project>{329a6fa0-0fcc-4435-a950-e670aefa9838}</Project>
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
diff --git a/libs/spandsp/src/libspandsp.2010.vcxproj.filters b/libs/spandsp/src/libspandsp.2010.vcxproj.filters
index c7d1210235..05763b180c 100644
--- a/libs/spandsp/src/libspandsp.2010.vcxproj.filters
+++ b/libs/spandsp/src/libspandsp.2010.vcxproj.filters
@@ -280,6 +280,9 @@
     <ClCompile Include="t42.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="math_fixed.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="spandsp\adsi.h">
diff --git a/libs/spandsp/src/libspandsp.2012.vcxproj b/libs/spandsp/src/libspandsp.2012.vcxproj
index 3577fb941d..1c5ce3c257 100644
--- a/libs/spandsp/src/libspandsp.2012.vcxproj
+++ b/libs/spandsp/src/libspandsp.2012.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -198,6 +198,7 @@
     <ClCompile Include="lpc10_encode.c" />
     <ClCompile Include="lpc10_placev.c" />
     <ClCompile Include="lpc10_voicing.c" />
+    <ClCompile Include="math_fixed.c" />
     <ClCompile Include="modem_echo.c" />
     <ClCompile Include="modem_connect_tones.c" />
     <ClCompile Include="noise.c" />
@@ -430,6 +431,9 @@
       <Project>{dee932ab-5911-4700-9eeb-8c7090a0a330}</Project>
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
     </ProjectReference>
+    <ProjectReference Include="msvc\make_math_fixed_tables.2012.vcxproj">
+      <Project>{2386b892-35f5-46cf-a0f0-10394d2fbf9b}</Project>
+    </ProjectReference>
     <ProjectReference Include="msvc\make_modem_filter.2012.vcxproj">
       <Project>{329a6fa0-0fcc-4435-a950-e670aefa9838}</Project>
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
@@ -438,4 +442,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/libs/spandsp/src/libspandsp.2012.vcxproj.filters b/libs/spandsp/src/libspandsp.2012.vcxproj.filters
index c7d1210235..05763b180c 100644
--- a/libs/spandsp/src/libspandsp.2012.vcxproj.filters
+++ b/libs/spandsp/src/libspandsp.2012.vcxproj.filters
@@ -280,6 +280,9 @@
     <ClCompile Include="t42.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="math_fixed.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="spandsp\adsi.h">