diff --git a/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.dsp b/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.dsp
index 7df539f913..40728ebdb6 100644
--- a/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.dsp
+++ b/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.dsp
@@ -515,6 +515,10 @@ SOURCE="..\..\libsofia-sip-ua\sresolv\sres_cache.c"
 
 SOURCE="..\..\libsofia-sip-ua\sresolv\sresolv.c"
 # End Source File
+# Begin Source File
+
+SOURCE="..\..\libsofia-sip-ua\sresolv\sres_sip.c"
+# End Source File
 # End Group
 # Begin Group "nea"
 
@@ -1247,6 +1251,10 @@ SOURCE="..\..\libsofia-sip-ua\sresolv\sofia-resolv\sres_record.h"
 
 SOURCE="..\..\libsofia-sip-ua\sresolv\sofia-sip\sresolv.h"
 # End Source File
+# Begin Source File
+
+SOURCE="..\..\libsofia-sip-ua\sresolv\sofia-sip\sres_sip.h"
+# End Source File
 # End Group
 # Begin Group "nea headers"
 
diff --git a/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.vcproj b/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.vcproj
index ed50ee8ead..9930d78e9b 100644
--- a/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.vcproj
+++ b/libs/sofia-sip/win32/libsofia-sip-ua-static/libsofia_sip_ua_static.vcproj
@@ -2268,6 +2268,28 @@
 						/>
 					</FileConfiguration>
 				</File>
+				<File
+					RelativePath="..\..\libsofia-sip-ua\sresolv\sres_sip.c"
+					>
+					<FileConfiguration
+						Name="Debug|Win32"
+						>
+						<Tool
+							Name="VCCLCompilerTool"
+							AdditionalIncludeDirectories=""
+							PreprocessorDefinitions=""
+						/>
+					</FileConfiguration>
+					<FileConfiguration
+						Name="Release|Win32"
+						>
+						<Tool
+							Name="VCCLCompilerTool"
+							AdditionalIncludeDirectories=""
+							PreprocessorDefinitions=""
+						/>
+					</FileConfiguration>
+				</File>
 				<File
 					RelativePath="..\..\libsofia-sip-ua\sresolv\sresolv.c"
 					>
@@ -4251,6 +4273,11 @@
 					RelativePath="..\..\libsofia-sip-ua\sresolv\sofia-sip\sresolv.h"
 					>
 				</File>
+				</File>
+				<File
+					RelativePath="..\..\libsofia-sip-ua\sresolv\sofia-sip\sres_sip.h"
+					>
+				</File>
 			</Filter>
 			<Filter
 				Name="nea headers"
diff --git a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp
index 8848145885..1679839332 100644
--- a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp
+++ b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp
@@ -531,6 +531,10 @@ SOURCE="..\..\libsofia-sip-ua\sresolv\sres_cache.c"
 
 SOURCE="..\..\libsofia-sip-ua\sresolv\sresolv.c"
 # End Source File
+# Begin Source File
+
+SOURCE="..\..\libsofia-sip-ua\sresolv\sres_sip.c"
+# End Source File
 # End Group
 # Begin Group "nea"
 
@@ -1259,6 +1263,10 @@ SOURCE="..\..\libsofia-sip-ua\sresolv\sofia-resolv\sres_record.h"
 
 SOURCE="..\..\libsofia-sip-ua\sresolv\sofia-sip\sresolv.h"
 # End Source File
+# Begin Source File
+
+SOURCE="..\..\libsofia-sip-ua\sresolv\sofia-sip\sres_sip.h"
+# End Source File
 # End Group
 # Begin Group "nea headers"
 
diff --git a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj
index 844ec53d8e..e893db0997 100644
--- a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj
+++ b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj
@@ -2297,6 +2297,28 @@
 						/>
 					</FileConfiguration>
 				</File>
+				<File
+					RelativePath="..\..\libsofia-sip-ua\sresolv\sres_sip.c"
+					>
+					<FileConfiguration
+						Name="Debug|Win32"
+						>
+						<Tool
+							Name="VCCLCompilerTool"
+							AdditionalIncludeDirectories=""
+							PreprocessorDefinitions=""
+						/>
+					</FileConfiguration>
+					<FileConfiguration
+						Name="Release|Win32"
+						>
+						<Tool
+							Name="VCCLCompilerTool"
+							AdditionalIncludeDirectories=""
+							PreprocessorDefinitions=""
+						/>
+					</FileConfiguration>
+				</File>
 				<File
 					RelativePath="..\..\libsofia-sip-ua\sresolv\sresolv.c"
 					>
@@ -4280,6 +4302,11 @@
 					RelativePath="..\..\libsofia-sip-ua\sresolv\sofia-sip\sresolv.h"
 					>
 				</File>
+				</File>
+				<File
+					RelativePath="..\..\libsofia-sip-ua\sresolv\sofia-sip\sres_sip.h"
+					>
+				</File>
 			</Filter>
 			<Filter
 				Name="nea headers"