3 files changed, 17 insertions, 13 deletions
diff --git a/plugins/VoiceService/src/frame.cpp b/plugins/VoiceService/src/frame.cpp
index 365a357e15..acbad61551 100644
--- a/plugins/VoiceService/src/frame.cpp
+++ b/plugins/VoiceService/src/frame.cpp
@@ -78,7 +78,7 @@ void ResizeFrame(int id, HWND hwnd)
 		GetWindowRect(hwnd, &r_window);
 
 		int diff = (parent_window.bottom - parent_window.top) - (parent_client.bottom - parent_client.top);
-		if (ServiceExists(MS_CLIST_FRAMES_ADDFRAME))
+		if (g_plugin.bFramesExist)
 			diff += (r_window.top - parent_window.top);
 
 		SetWindowPos(parent, 0, 0, 0, parent_window.right - parent_window.left, height + diff, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
@@ -95,16 +95,18 @@ void ResizeFrame(int id, HWND hwnd)
 
 void ShowFrame(int id, HWND hwnd, int show)
 {
-	BOOL is_visible = IsWindowVisible(hwnd);
-	if ((is_visible && show == SW_SHOW) || (!is_visible && show == SW_HIDE))
+	if (!g_plugin.bFramesExist || id == -1) {
+		ShowWindow(GetParent(hwnd), show);
 		return;
+	}
 
-	if (ServiceExists(MS_CLIST_FRAMES_SHFRAME) && id != -1)
-		CallService(MS_CLIST_FRAMES_SHFRAME, (WPARAM)id, 0);
-	else
-		ShowWindow(GetParent(hwnd), show);
+	BOOL bIsVisible = CallService(MS_CLIST_FRAMES_GETFRAMEOPTIONS) & F_VISIBLE;
+	if ((bIsVisible && show == SW_SHOW) || (!bIsVisible && show == SW_HIDE))
+		CallService(MS_CLIST_FRAMES_SHFRAME, id, 0);		
 }
 
+/////////////////////////////////////////////////////////////////////////////////////////
+
 static int dialCtrls[] = {
 	IDC_DIALPAD, IDC_NUMBER, IDC_CALL,
 	IDC_1, IDC_2, IDC_3,
@@ -715,7 +717,7 @@ static INT_PTR CALLBACK FrameWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM
 
 void InitFrames()
 {
-	if (ServiceExists(MS_CLIST_FRAMES_ADDFRAME)) {
+	if (g_plugin.bFramesExist) {
 		hwnd_frame = CreateDialogW(g_plugin.getInst(), MAKEINTRESOURCE(IDD_CALLS), g_clistApi.hwndContactList, FrameWndProc);
 
 		CLISTFrame Frame = {};
@@ -723,18 +725,16 @@ void InitFrames()
 		Frame.szName.w = TranslateT("Voice Calls");
 		Frame.hWnd = hwnd_frame;
 		Frame.align = alBottom;
-		Frame.Flags = F_VISIBLE | F_NOBORDER | F_LOCKED | F_UNICODE;
-		Frame.height = 0;
+		Frame.Flags = F_NOBORDER | F_LOCKED | F_UNICODE;
 		Frame.hIcon = g_plugin.getIcon(IDI_MAIN, true);
-
 		frame_id = CallService(MS_CLIST_FRAMES_ADDFRAME, (WPARAM)&Frame, 0);
 	}
 }
 
 void DeInitFrames()
 {
-	if (ServiceExists(MS_CLIST_FRAMES_REMOVEFRAME) && frame_id != -1)
-		CallService(MS_CLIST_FRAMES_REMOVEFRAME, (WPARAM)frame_id, 0);
+	if (g_plugin.bFramesExist && frame_id != -1)
+		CallService(MS_CLIST_FRAMES_REMOVEFRAME, frame_id, 0);
 
 	if (hwnd_frame != NULL)
 		DestroyWindow(hwnd_frame);
diff --git a/plugins/VoiceService/src/hooks.cpp b/plugins/VoiceService/src/hooks.cpp
index d25a4ccdaa..45fea47d59 100644
--- a/plugins/VoiceService/src/hooks.cpp
+++ b/plugins/VoiceService/src/hooks.cpp
@@ -633,6 +633,8 @@ static INT_PTR CMDrop(WPARAM wParam, LPARAM)
 
 int ModulesLoaded(WPARAM, LPARAM)
 {
+	g_plugin.bFramesExist = ServiceExists(MS_CLIST_FRAMES_ADDFRAME);
+
 	// add our modules to the KnownModules list
 	CallService("DBEditorpp/RegisterSingleModule", (WPARAM)MODULE_NAME, 0);
 
diff --git a/plugins/VoiceService/src/stdafx.h b/plugins/VoiceService/src/stdafx.h
index b0d759deed..45fd220cdf 100644
--- a/plugins/VoiceService/src/stdafx.h
+++ b/plugins/VoiceService/src/stdafx.h
@@ -67,6 +67,8 @@ using namespace std;
 
 struct CMPlugin : public PLUGIN<CMPlugin>
 {
+	bool bFramesExist = false;
+
 	CMPlugin();
 
 	int Load() override;