/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 * Copyright (C) 2017 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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[
    ActiveDOMObject,
    Conditional=WEB_RTC,
    EnabledBySetting=PeerConnectionEnabled,
    Exposed=Window
] interface RTCDTMFSender : EventTarget {
    undefined insertDTMF(DOMString tones, optional unsigned long duration = 100, optional unsigned long interToneGap = 70);
    attribute EventHandler ontonechange;

    readonly attribute boolean canInsertDTMF;
    readonly attribute DOMString toneBuffer;
};