diff --git a/dlls/sapi/Makefile.in b/dlls/sapi/Makefile.in
index 24a1e055766..a6c4d86037e 100644
--- a/dlls/sapi/Makefile.in
+++ b/dlls/sapi/Makefile.in
@@ -5,6 +5,7 @@ DELAYIMPORTS = winmm
 SOURCES = \
 	async.c \
 	automation.c \
+	dispatch.c \
 	main.c \
 	mmaudio.c \
 	resource.c \
diff --git a/dlls/sapi/dispatch.c b/dlls/sapi/dispatch.c
new file mode 100644
index 00000000000..df0c6c9bf9c
--- /dev/null
+++ b/dlls/sapi/dispatch.c
@@ -0,0 +1,85 @@
+/*
+ * ITypeInfo cache for IDispatch
+ *
+ * Copyright 2019 Zebediah Figura
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "wine/debug.h"
+
+#define COBJMACROS
+
+#include "objbase.h"
+#include "sapiddk.h"
+
+#include "sapi_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(sapi);
+
+static ITypeLib *typelib;
+static ITypeInfo *typeinfos[last_tid];
+
+static REFIID tid_id[] =
+{
+    &IID_ISpeechObjectToken,
+};
+
+HRESULT get_typeinfo(enum type_id tid, ITypeInfo **ret)
+{
+    HRESULT hr;
+
+    if (!typelib)
+    {
+        ITypeLib *tl;
+
+        hr = LoadRegTypeLib(&LIBID_SpeechLib, 5, 4, LOCALE_SYSTEM_DEFAULT, &tl);
+        if (FAILED(hr))
+        {
+            ERR("Failed to load typelib, hr %#lx.\n", hr);
+            return hr;
+        }
+        if (InterlockedCompareExchangePointer((void **)&typelib, tl, NULL))
+            ITypeLib_Release(tl);
+    }
+    if (!typeinfos[tid])
+    {
+        ITypeInfo *typeinfo;
+
+        hr = ITypeLib_GetTypeInfoOfGuid(typelib, tid_id[tid], &typeinfo);
+        if (FAILED(hr))
+        {
+            ERR("Failed to get type info for %s, hr %#lx.\n", debugstr_guid(tid_id[tid]), hr);
+            return hr;
+        }
+        if (InterlockedCompareExchangePointer((void **)(typeinfos + tid), typeinfo, NULL))
+            ITypeInfo_Release(typeinfo);
+    }
+    ITypeInfo_AddRef(*ret = typeinfos[tid]);
+    return S_OK;
+}
+
+void release_typelib(void)
+{
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(typeinfos); ++i)
+    {
+        if (typeinfos[i])
+            ITypeInfo_Release(typeinfos[i]);
+    }
+    if (typelib)
+        ITypeLib_Release(typelib);
+}
diff --git a/dlls/sapi/sapi_private.h b/dlls/sapi/sapi_private.h
index f6a5e966461..9a3c92cc4dc 100644
--- a/dlls/sapi/sapi_private.h
+++ b/dlls/sapi/sapi_private.h
@@ -52,3 +52,12 @@ HRESULT mmaudio_out_create( IUnknown *outer, REFIID iid, void **obj );
 HRESULT token_category_create( IUnknown *outer, REFIID iid, void **obj );
 HRESULT token_enum_create( IUnknown *outer, REFIID iid, void **obj );
 HRESULT token_create( IUnknown *outer, REFIID iid, void **obj );
+
+enum type_id
+{
+    ISpeechObjectToken_tid,
+    last_tid
+};
+
+HRESULT get_typeinfo( enum type_id tid, ITypeInfo **typeinfo );
+void release_typelib( void );
diff --git a/dlls/sapi/tests/token.c b/dlls/sapi/tests/token.c
index a651eb47c62..ec8a101fea4 100644
--- a/dlls/sapi/tests/token.c
+++ b/dlls/sapi/tests/token.c
@@ -26,6 +26,8 @@
 
 #include "wine/test.h"
 
+DEFINE_GUID(GUID_NULL,0,0,0,0,0,0,0,0,0,0,0);
+
 static void test_data_key(void)
 {
     ISpRegDataKey *data_key;
@@ -669,6 +671,8 @@ static void test_object_token(void)
     ISpObjectTokenCategory *cat;
     DWORD regid;
     IUnknown *obj;
+    DISPPARAMS params;
+    VARIANT arg, ret;
 
     hr = CoCreateInstance( &CLSID_SpObjectToken, NULL, CLSCTX_INPROC_SERVER,
                            &IID_ISpObjectToken, (void **)&token );
@@ -915,6 +919,22 @@ static void test_object_token(void)
     ok( tempB && !wcscmp( tempB, L"TestToken" ), "got %s\n", wine_dbgstr_w( tempB ) );
     SysFreeString( tempB );
 
+    memset( &params, 0, sizeof(params) );
+    params.cArgs = 1;
+    params.cNamedArgs = 0;
+    params.rgvarg = &arg;
+    VariantInit( &arg );
+    V_VT( &arg ) = VT_I4;
+    V_I4( &arg ) = 0x409;
+    VariantInit( &ret );
+    hr = ISpeechObjectToken_Invoke( speech_token, DISPID_SOTGetDescription, &IID_NULL,
+                                    0, DISPATCH_METHOD, &params, &ret, NULL, NULL );
+    ok( hr == S_OK, "got %08lx\n", hr );
+    ok( V_VT( &ret ) == VT_BSTR, "got %#x\n", V_VT( &ret ) );
+    ok( V_BSTR( &ret ) && !wcscmp( V_BSTR( &ret ), L"409 - TestToken" ),
+        "got %s\n", wine_dbgstr_w( V_BSTR( &ret ) ) );
+    VariantClear( &ret );
+
     ISpeechObjectToken_Release( speech_token );
 
     ISpObjectToken_Release( test_class_token );
diff --git a/dlls/sapi/token.c b/dlls/sapi/token.c
index e5d87505e34..c8cb806bbae 100644
--- a/dlls/sapi/token.c
+++ b/dlls/sapi/token.c
@@ -1801,8 +1801,18 @@ static HRESULT WINAPI speech_token_Invoke( ISpeechObjectToken *iface,
                                            EXCEPINFO *excepinfo,
                                            UINT *argerr )
 {
-    FIXME( "stub\n" );
-    return E_NOTIMPL;
+    ITypeInfo *ti;
+    HRESULT hr;
+
+    TRACE( "(%p)->(%ld %s %#lx %#x %p %p %p %p)\n", iface, dispid,
+           debugstr_guid( iid ), lcid, flags, params, result, excepinfo, argerr );
+
+    if (FAILED(hr = get_typeinfo( ISpeechObjectToken_tid, &ti )))
+        return hr;
+    hr = ITypeInfo_Invoke( ti, iface, dispid, flags, params, result, excepinfo, argerr );
+    ITypeInfo_Release( ti );
+
+    return hr;
 }
 
 static HRESULT WINAPI speech_token_get_Id( ISpeechObjectToken *iface,