--- a/dom/telephony/nsITelephonyProvider.idl
+++ b/dom/telephony/nsITelephonyProvider.idl
@@ -1,15 +1,15 @@
 /* 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/. */
 
 #include "nsISupports.idl"
 
-[scriptable, uuid(a1e9fdd9-7901-4a0f-8b6b-6ee0fa8f9d81)]
+[scriptable, uuid(3fb573c3-6fc4-41d3-80c1-f0e60662691e)]
 interface nsITelephonyListener : nsISupports
 {
   /**
    * Notified when a telephony call changes state.
    *
    * @param callIndex
    *        Call identifier assigned by the RIL.
    * @param callState
@@ -77,16 +77,24 @@ interface nsITelephonyListener : nsISupp
    *
    * @param callIndex
    *        Call identifier assigned by the RIL. -1 if no connection
    * @param error
    *        Error from RIL.
    */
   void notifyError(in long callIndex,
                    in AString error);
+
+  /**
+   * Called when a waiting call comes in CDMA networks.
+   *
+   * @param number
+   *        Number of the other party.
+   */
+  void notifyCdmaCallWaiting(in AString number);
 };
 
 /**
  * XPCOM component (in the content process) that provides the telephony
  * information.
  */
 [scriptable, uuid(eddb7ff6-29af-4973-83de-1159365c7d7d)]
 interface nsITelephonyProvider : nsISupports

--- a/dom/webidl/TelephonyCall.webidl
+++ b/dom/webidl/TelephonyCall.webidl
@@ -2,16 +2,20 @@
 /* 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/.
  */
 
 interface TelephonyCall : EventTarget {
   readonly attribute DOMString number;
 
+  // In CDMA networks, the 2nd waiting call shares the connection with the 1st
+  // call. We need an additional attribute for the 2nd number.
+  readonly attribute DOMString? secondNumber;
+
   readonly attribute DOMString state;
 
   // The property "emergency" indicates whether the call number is an emergency
   // number. Only the outgoing call could have a value with true and it is
   // available after dialing state.
   readonly attribute boolean emergency;
 
   readonly attribute DOMError? error;