diff -r 000000000000 -r 6474c204b198 dom/telephony/ipc/TelephonyTypes.ipdlh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/telephony/ipc/TelephonyTypes.ipdlh	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+namespace mozilla {
+namespace dom {
+namespace telephony {
+
+struct IPCCallStateData
+{
+  uint32_t callIndex;
+  uint16_t callState;
+  nsString number;
+  bool     isActive;
+  bool     isOutGoing;
+  bool     isEmergency;
+  bool     isConference;
+  bool     isSwitchable;
+  bool     isMergeable;
+};
+
+} /* namespace telephony */
+} /* namespace dom */
+} /* namespace mozilla */