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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.service.protocol;
import org.jitsi.service.protocol.*;
/**
* An <tt>OperationSet</tt> that allows other modules to send DMF tones through
* this protocol provider.
*
* @author JM HEITZ
*/
public interface OperationSetDTMF
extends OperationSet
{
/**
* The minimal tone duration value for RFC4733 is 100 ms.
*/
public static final int DEFAULT_DTMF_MINIMAL_TONE_DURATION = 100;
/**
* The maximal tone duration value is -1 in order to stop sending tone only
* when user requests to stop it.
*/
public static final int DEFAULT_DTMF_MAXIMAL_TONE_DURATION = -1;
/**
* The default tone volume value.
*/
public static final int DEFAULT_DTMF_TONE_VOLUME = 10;
/**
* The name of the <tt>ConfigurationService</tt> <tt>int</tt> property
* which indicates the minimal duration for a DTMF tone.
* The default value is 70 ms.
*/
public static final String PROP_MINIMAL_RTP_DTMF_TONE_DURATION =
"net.java.sip.communicator.service.protocol.minimalRtpDtmfToneDuration";
/**
* The name of the <tt>ConfigurationService</tt> <tt>int</tt> property
* which indicates the maximal duration for a DTMF tone (in ms).
* The default value is -1 to tell to stop DTMF tones only following user
* will.
*/
public static final String PROP_MAXIMAL_RTP_DTMF_TONE_DURATION =
"net.java.sip.communicator.service.protocol.maximalRtpDtmfToneDuration";
/**
* Sends the <tt>DTMFTone</tt> <tt>tone</tt> to <tt>callPeer</tt>.
*
* @param callPeer the call peer to send <tt>tone</tt> to.
* @param tone the DTMF tone to send to <tt>callPeer</tt>.
*
* @throws OperationFailedException with code OPERATION_NOT_SUPPORTED if
* DTMF tones are not supported for <tt>callPeer</tt>.
*
* @throws IllegalArgumentException in case the call peer does not
* belong to the underlying implementation.
*/
public void startSendingDTMF(CallPeer callPeer, DTMFTone tone)
throws OperationFailedException;
/**
* Stop sending of the currently transmitting DTMF tone.
*
* @param callPeer the call peer to stop send <tt>tone</tt> to.
*/
public void stopSendingDTMF(CallPeer callPeer);
}
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