managerimpl.cpp

/*
 *  Copyright (C) 2004-2007 Savoir-Faire Linux inc.
 *  Author: Alexandre Bourget <alexandre.bourget@savoirfairelinux.com>
 *  Author: Yan Morin <yan.morin@savoirfairelinux.com>
 *  Author: Laurielle Lea <laurielle.lea@savoirfairelinux.com>
 *  Author: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
 *  Author: Guillaume Carmel-Archambault <guillaume.carmel-archambault@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <errno.h>
#include <time.h>
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <sstream>
#include <sys/types.h> // mkdir(2)
#include <sys/stat.h>	// mkdir(2)

#include <cc++/socket.h>   // why do I need this here?
#include <ccrtp/channel.h> // why do I need this here?
#include <ccrtp/rtp.h>     // why do I need this here?
#include <cc++/file.h>

#include "manager.h"
#include "account.h"
#include "sipaccount.h"
#include "audio/audiolayer.h"
#include "audio/alsalayer.h"
#include "audio/pulselayer.h"
#include "audio/tonelist.h"

#include "accountcreator.h" // create new account
#include "sipvoiplink.h"

#include "user_cfg.h"

#define fill_config_str(name, value) \
  (_config.addConfigTreeItem(section, Conf::ConfigTreeItem(std::string(name), std::string(value), type_str)))
#define fill_config_int(name, value) \
  (_config.addConfigTreeItem(section, Conf::ConfigTreeItem(std::string(name), std::string(value), type_int)))

ManagerImpl::ManagerImpl (void)
	: _hasTriedToRegister(false)
        , _config()
	, _currentCallId2()
        , _currentCallMutex()
        , _codecBuilder(NULL)
        , _audiodriver(NULL)
        , _dtmfKey(NULL)
        , _codecDescriptorMap()
        , _toneMutex()
        , _telephoneTone(NULL)
        , _audiofile()
        , _spkr_volume(0)
        , _mic_volume(0)
        , _mutex()
	, _dbus(NULL)
        , _waitingCall()
        , _waitingCallMutex()
        , _nbIncomingWaitingCall(0)
        , _path("")
        , _exist(0)
        , _setupLoaded(false)
        , _firewallPort()
        , _firewallAddr("")
        , _hasZeroconf(false)
        , _callAccountMap()
        , _callAccountMapMutex()
        , _callConfigMap()
        , _accountMap()
        , _cleaner (NULL)
{

    // initialize random generator for call id
    srand (time(NULL));

    _cleaner = new NumberCleaner ();

#ifdef TEST
  testAccountMap();
  loadAccountMap();
  testCallAccountMap();
  unloadAccountMap();
#endif

  // should be call before initConfigFile
  // loadAccountMap();, called in init() now.
}

// never call if we use only the singleton...
ManagerImpl::~ManagerImpl (void)
{
    // terminate();
    delete _cleaner; _cleaner=0;
    _debug("%s stop correctly.\n", PROGNAME);
}

  void
ManagerImpl::init()
{
    // Load accounts, init map
    loadAccountMap();

    initVolume();

    if (_exist == 0) {
        _debug("Cannot create config file in your home directory\n");
    }

    initAudioDriver();
    selectAudioDriver();

    // Initialize the list of supported audio codecs
    initAudioCodec();

    AudioLayer *audiolayer = getAudioDriver();

    if (audiolayer != 0) {
        unsigned int sampleRate = audiolayer->getSampleRate();

        _debugInit("Load Telephone Tone");
        std::string country = getConfigString(PREFERENCES, ZONE_TONE);
        _telephoneTone = new TelephoneTone(country, sampleRate);

        _debugInit("Loading DTMF key");
        _dtmfKey = new DTMF(sampleRate);
    }

    if (audiolayer == 0)
      audiolayer->stopStream();
}

void ManagerImpl::terminate()
{
    _debug("ManagerImpl::terminate \n");
    saveConfig();

    unloadAccountMap();

    _debug("Unload DTMF Key \n");
    delete _dtmfKey;

    _debug("Unload Audio Driver \n");
    delete _audiodriver; _audiodriver = NULL;

    _debug("Unload Telephone Tone \n");
    delete _telephoneTone; _telephoneTone = NULL;

    _debug("Unload Audio Codecs \n");
    _codecDescriptorMap.deleteHandlePointer();

}

bool
ManagerImpl::isCurrentCall(const CallID& callId) {
  return (_currentCallId2 == callId ? true : false);
}

bool
ManagerImpl::hasCurrentCall() {
  _debug("Current call ID = %s\n", _currentCallId2.c_str());
  if ( _currentCallId2 != "") {
    return true;
  }
  return false;
}

const CallID&
ManagerImpl::getCurrentCallId() {
  return _currentCallId2;
}

void
ManagerImpl::switchCall(const CallID& id ) {
  ost::MutexLock m(_currentCallMutex);
  _currentCallId2 = id;
}


///////////////////////////////////////////////////////////////////////////////
// Management of events' IP-phone user
///////////////////////////////////////////////////////////////////////////////
/* Main Thread */

  bool
ManagerImpl::outgoingCall(const std::string& accountid, const CallID& id, const std::string& to)
{
    std::string pattern, to_cleaned;
    Call::CallConfiguration callConfig;
    SIPVoIPLink *siplink;

    _debug("ManagerImpl::outgoingCall() method \n");

    if (getConfigString (HOOKS, PHONE_NUMBER_HOOK_ENABLED) ==  "1") 
        _cleaner->set_phone_number_prefix (getConfigString (HOOKS, PHONE_NUMBER_HOOK_ADD_PREFIX ));
    else
        _cleaner->set_phone_number_prefix ("");
    to_cleaned = _cleaner->clean (to);

    /* Check what kind of call we are dealing with */
    check_call_configuration (id, to_cleaned, &callConfig);

    if (callConfig == Call::IPtoIP) {
        _debug ("Start IP to IP call\n");
        /* We need to retrieve the sip voiplink instance */
        siplink = SIPVoIPLink::instance("");
        if (siplink->new_ip_to_ip_call (id, to_cleaned)) {
            switchCall (id);
            return true;
        }
        else {
            callFailure (id);
        }
        return false;
    }

    if (!accountExists(accountid)) {
        _debug("! Manager Error: Outgoing Call: account doesn't exist\n");
        return false;
    }

    if (getAccountFromCall(id) != AccountNULL) {
        _debug("! Manager Error: Outgoing Call: call id already exists\n");
        return false;
    }

    if (hasCurrentCall()) {
        _debug("* Manager Info: there is currently a call, try to hold it\n");
        onHoldCall(getCurrentCallId());
    }

    _debug("- Manager Action: Adding Outgoing Call %s on account %s\n", id.data(), accountid.data());
    associateCallToAccount( id, accountid );
    if ( getAccountLink(accountid)->newOutgoingCall(id, to_cleaned) ) {
        switchCall(id);
        return true;
    } else {
        callFailure(id);
        _debug("! Manager Error: An error occur, the call was not created\n");
    }
    return false;
}

//THREAD=Main : for outgoing Call
  bool
ManagerImpl::answerCall(const CallID& id)
{
  bool isActive = false;

  stopTone(true);

  AccountID currentaccountid = getAccountFromCall( id );
  Call* currentcall = getAccountLink(currentaccountid)->getCall(getCurrentCallId());
  _debug("ManagerImpl::answerCall :: current call->getState %i \n",currentcall->getState());

  if (currentcall->getState() == 1)
      isActive = true;

  // stopTone(false);
  _debug("Try to answer call: %s\n", id.data());
  AccountID accountid = getAccountFromCall( id );
  if (accountid == AccountNULL) {
    _debug("Answering Call: Call doesn't exists\n");
    //return false;
  }

  //  if (id != getCurrentCallId()) {
  if (isActive) {
    _debug("* Manager Info: there is currently a call, try to hold it\n");

    onHoldCall(getCurrentCallId());
  }

  if (!getAccountLink(accountid)->answer(id)) {
    // error when receiving...
    removeCallAccount(id);
    return false;
  }

  // if it was waiting, it's waiting no more
  if (_dbus) _dbus->getCallManager()->callStateChanged(id, "CURRENT");
  removeWaitingCall(id);
  switchCall(id);

  // std::string codecName = getCurrentCodecName(id);
  // _debug("ManagerImpl::hangupCall(): broadcast codec name %s \n",codecName.c_str());
  // if (_dbus) _dbus->getCallManager()->currentSelectedCodec(id,codecName.c_str());

  return true;
}

//THREAD=Main
  bool
ManagerImpl::hangupCall(const CallID& id)
{
    _debug("ManagerImpl::hangupCall()\n");
    PulseLayer *pulselayer;
    AccountID accountid;
    bool returnValue;
    AudioLayer *audiolayer;

    stopTone(false);

    /* Broadcast a signal over DBus */
    if (_dbus) _dbus->getCallManager()->callStateChanged(id, "HUNGUP");

    _debug("Stop audio stream\n");
    audiolayer = getAudioDriver();
    audiolayer->stopStream();

    /* Direct IP to IP call */
    if (getConfigFromCall (id) == Call::IPtoIP) {
        returnValue = SIPVoIPLink::instance (AccountNULL)->hangup (id);
    }
    /* Classic call, attached to an account */
    else {
        accountid = getAccountFromCall( id );
        if (accountid == AccountNULL) {
            _debug("! Manager Hangup Call: Call doesn't exists\n");
            return false;
        }
        returnValue = getAccountLink(accountid)->hangup(id);
        removeCallAccount(id);
    }

    switchCall("");

    if( _audiodriver->getLayerType() == PULSEAUDIO && getConfigInt( PREFERENCES , CONFIG_PA_VOLUME_CTRL ) ) {
        pulselayer = dynamic_cast<PulseLayer *> (getAudioDriver());
        if(pulselayer)  pulselayer->restorePulseAppsVolume();
    }

    

    return returnValue;
}

//THREAD=Main
  bool
ManagerImpl::cancelCall (const CallID& id)
{
    AccountID accountid;
    bool returnValue;

    stopTone(true);

    /* Direct IP to IP call */
    if (getConfigFromCall (id) == Call::IPtoIP) {
        returnValue = SIPVoIPLink::instance (AccountNULL)->cancel (id);
    }

    /* Classic call, attached to an account */
    else {
        accountid = getAccountFromCall( id );
        if (accountid == AccountNULL) {
            _debug("! Manager Cancel Call: Call doesn't exists\n");
            return false;
        }
        returnValue = getAccountLink(accountid)->cancel(id);
        removeCallAccount(id);
    }

    // it could be a waiting call?
    removeWaitingCall(id);
    switchCall("");

    return returnValue;
}

//THREAD=Main
  bool
ManagerImpl::onHoldCall(const CallID& id)
{
    AccountID accountid;
    bool returnValue;
    CallID call_id;

    stopTone(true);

    call_id = id;

    /* Direct IP to IP call */
    if (getConfigFromCall (id) == Call::IPtoIP) {
        returnValue = SIPVoIPLink::instance (AccountNULL)-> onhold (id);
    }

    /* Classic call, attached to an account */
    else {
        accountid = getAccountFromCall( id );
        if (accountid == AccountNULL) {
            _debug("Manager On Hold Call: Account ID %s or callid %s doesn't exists\n", accountid.c_str(), id.c_str());
            return false;
        }
        returnValue = getAccountLink(accountid)->onhold(id);
    }

    removeWaitingCall(id);
    switchCall("");

    if (_dbus) _dbus->getCallManager()->callStateChanged(call_id, "HOLD");

    return returnValue;
}

//THREAD=Main
  bool
ManagerImpl::offHoldCall(const CallID& id)
{

    AccountID accountid;
    bool returnValue, rec;
    std::string codecName;
    CallID call_id;

    stopTone(false);

    call_id = id;
    //Place current call on hold if it isn't
    if (hasCurrentCall())
    {
        _debug ("Put the current call (ID=%s) on hold\n", getCurrentCallId().c_str());
        onHoldCall(getCurrentCallId());
    }

    /* Direct IP to IP call */
    if (getConfigFromCall (id) == Call::IPtoIP) {
        rec = SIPVoIPLink::instance (AccountNULL)-> isRecording (id);
        returnValue = SIPVoIPLink::instance (AccountNULL)-> offhold (id);
    }

    /* Classic call, attached to an account */
    else {
        accountid = getAccountFromCall( id );
        if (accountid == AccountNULL) {
            _debug("Manager OffHold Call: Call doesn't exists\n");
            return false;
        }
        _debug("Setting OFFHOLD, Account %s, callid %s\n", accountid.c_str(), id.c_str());
        rec = getAccountLink(accountid)->isRecording(id);
        returnValue = getAccountLink(accountid)->offhold(id);
    }


    if (_dbus){
        if (rec)
            _dbus->getCallManager()->callStateChanged(call_id, "UNHOLD_RECORD");
        else
            _dbus->getCallManager()->callStateChanged(call_id, "UNHOLD_CURRENT");

    }

    switchCall(id);

    codecName = getCurrentCodecName(id);
    // _debug("ManagerImpl::hangupCall(): broadcast codec name %s \n",codecName.c_str());
    if (_dbus) _dbus->getCallManager()->currentSelectedCodec(id,codecName.c_str());

    return returnValue;
}

//THREAD=Main
  bool
ManagerImpl::transferCall(const CallID& id, const std::string& to)
{
    AccountID accountid;
    bool returnValue;

    stopTone(true);

    /* Direct IP to IP call */
    if (getConfigFromCall (id) == Call::IPtoIP) {
        returnValue = SIPVoIPLink::instance (AccountNULL)-> transfer (id, to);
    }

    /* Classic call, attached to an account */
    else {
        accountid = getAccountFromCall( id );
        if (accountid == AccountNULL) {
            _debug("! Manager Transfer Call: Call doesn't exists\n");
            return false;
        }
        returnValue = getAccountLink(accountid)->transfer(id, to);
        removeCallAccount(id);
    }

    removeWaitingCall(id);
    switchCall("");

    if (_dbus) _dbus->getCallManager()->callStateChanged(id, "HUNGUP");
    return returnValue;
}

//THREAD=Main : Call:Incoming
  bool
ManagerImpl::refuseCall (const CallID& id)
{
    AccountID accountid;
    bool returnValue;

    stopTone(true);

     /* Direct IP to IP call */
    if (getConfigFromCall (id) == Call::IPtoIP) {
        returnValue = SIPVoIPLink::instance (AccountNULL)-> refuse (id);
    }

    /* Classic call, attached to an account */
    else {
        accountid = getAccountFromCall( id );
        if (accountid == AccountNULL) {
            _debug("! Manager OffHold Call: Call doesn't exists\n");
            return false;
        }
        returnValue = getAccountLink(accountid)->refuse(id);
        removeCallAccount(id);
    }

    // if the call was outgoing or established, we didn't refuse it
    // so the method did nothing
    if (returnValue) {
        removeWaitingCall(id);
        if (_dbus) _dbus->getCallManager()->callStateChanged(id, "HUNGUP");
        switchCall("");
    }
    return returnValue;
}

//THREAD=Main
  bool
ManagerImpl::saveConfig (void)
{
  _debug("Saving Configuration...\n");
  setConfig(AUDIO, VOLUME_SPKR, getSpkrVolume());
  setConfig(AUDIO, VOLUME_MICRO, getMicVolume());

  _setupLoaded = _config.saveConfigTree(_path.data());
  return _setupLoaded;
}

//THREAD=Main
 int
ManagerImpl::initRegisterAccounts()
{
    int status;
    bool flag = true;
    AccountMap::iterator iter;

    _debugInit("Initiate VoIP Links Registration");
    iter = _accountMap.begin();

    /* Loop on the account map previously loaded */
    while( iter != _accountMap.end() ) {
        if ( iter->second ) {
            iter->second->loadConfig();
            /* If the account is set as enabled, try to register */
            if ( iter->second->isEnabled() ) {
	            status = iter->second->registerVoIPLink();
	            if (status != SUCCESS){
		            flag = false;
                }
            }
        }
        iter++;
    }

    // calls the client notification here in case of errors at startup...
    if( _audiodriver -> getErrorMessage() != -1 )
      notifyErrClient( _audiodriver -> getErrorMessage() );

    ASSERT( flag, true );
    return SUCCESS;
}

//THREAD=Main
  bool
ManagerImpl::sendDtmf(const CallID& id, char code)
{
  AccountID accountid = getAccountFromCall( id );
  if (accountid == AccountNULL) {
    //_debug("Send DTMF: call doesn't exists\n");
    playDtmf(code, false);
    return false;
  }

  int sendType = getConfigInt(SIGNALISATION, SEND_DTMF_AS);
  bool returnValue = false;
  switch (sendType) {
    case 0: // SIP INFO
      playDtmf(code , true);
      returnValue = getAccountLink(accountid)->carryingDTMFdigits(id, code);
      break;

    case 1: // Audio way
      break;
    case 2: // rfc 2833
      break;
    default: // unknown - error config?
      break;
  }
  return returnValue;
}

//THREAD=Main | VoIPLink
  bool
ManagerImpl::playDtmf(char code, bool isTalking)
{
    int hasToPlayTone, pulselen, layer, size;
    bool ret = false;
    AudioLayer *audiolayer;
    SFLDataFormat *buf;

    stopTone(false);

    hasToPlayTone = getConfigInt(SIGNALISATION, PLAY_DTMF);
    if (!hasToPlayTone)
        return false;

    // length in milliseconds
    pulselen = getConfigInt(SIGNALISATION, PULSE_LENGTH);
    if (!pulselen)
        return false;

    // numbers of int = length in milliseconds / 1000 (number of seconds)
    //                = number of seconds * SAMPLING_RATE by SECONDS
    audiolayer = getAudioDriver();
    layer = audiolayer->getLayerType();

    // fast return, no sound, so no dtmf
    if (audiolayer==0 || _dtmfKey == 0)
        return false;

    // number of data sampling in one pulselen depends on samplerate
    // size (n sampling) = time_ms * sampling/s
    //                     ---------------------
    //                            ms/s
    size = (int)(pulselen * ((float)audiolayer->getSampleRate()/1000));

    // this buffer is for mono
    // TODO <-- this should be global and hide if same size
    buf = new SFLDataFormat[size];

    // Handle dtmf
    _dtmfKey->startTone(code);

    // copy the sound
    if ( _dtmfKey->generateDTMF(buf, size) ) {
        // Put buffer to urgentRingBuffer
        // put the size in bytes...
        // so size * 1 channel (mono) * sizeof (bytes for the data)
        audiolayer->startStream();
        audiolayer->putUrgent (buf, size * sizeof(SFLDataFormat));
    }
    ret = true;

    // TODO Cache the DTMF

    delete[] buf; buf = 0;

    return ret;
}

// Multi-thread
bool
ManagerImpl::incomingCallWaiting() {
  return (_nbIncomingWaitingCall > 0) ? true : false;
}

void
ManagerImpl::addWaitingCall(const CallID& id) {
  ost::MutexLock m(_waitingCallMutex);
  _waitingCall.insert(id);
  _nbIncomingWaitingCall++;
}

void
ManagerImpl::removeWaitingCall(const CallID& id) {
  ost::MutexLock m(_waitingCallMutex);
  // should return more than 1 if it erase a call
  if (_waitingCall.erase(id)) {
    _nbIncomingWaitingCall--;
  }
}

bool
ManagerImpl::isWaitingCall(const CallID& id) {
  CallIDSet::iterator iter = _waitingCall.find(id);
  if (iter != _waitingCall.end()) {
    return false;
  }
  return true;
}

///////////////////////////////////////////////////////////////////////////////
// Management of event peer IP-phone
////////////////////////////////////////////////////////////////////////////////
// SipEvent Thread
bool
ManagerImpl::incomingCall(Call* call, const AccountID& accountId)
{
    PulseLayer *pulselayer;
    std::string from, number;

    stopTone(true);

    _debug("Incoming call %s for account %s\n", call->getCallId().data(), accountId.c_str());

    associateCallToAccount(call->getCallId(), accountId);

    if (accountId==AccountNULL)
        associateConfigToCall (call->getCallId(), Call::IPtoIP);

    _debug("ManagerImpl::incomingCall :: hasCurrentCall() %i \n",hasCurrentCall());

    if ( !hasCurrentCall() ) {
        call->setConnectionState(Call::Ringing);
        ringtone();
        switchCall(call->getCallId());

    }
    /*
    else {
        addWaitingCall(call->getCallId());
    }
    */

    addWaitingCall(call->getCallId());

    from = call->getPeerName();
    number = call->getPeerNumber();

    if (from != "" && number != "") {
        from.append(" <");
        from.append(number);
        from.append(">");
    } else if ( from.empty() ) {
        from.append("<");
        from.append(number);
        from.append(">");
    }

    /*
    CallIDSet::iterator iter = _waitingCall.begin();
    while (iter != _waitingCall.end()) {
        CallID ident = *iter;
        _debug("ManagerImpl::incomingCall :: CALL iteration: %s \n",ident.c_str());
        ++iter;
    }
    */

    /* Broadcast a signal over DBus */
    if (_dbus) _dbus->getCallManager()->incomingCall(accountId, call->getCallId(), from);

    //if (_dbus) _dbus->getCallManager()->callStateChanged(call->getCallId(), "INCOMING");

    // Reduce volume of the other pulseaudio-connected audio applications
    if( _audiodriver->getLayerType() == PULSEAUDIO && getConfigInt( PREFERENCES , CONFIG_PA_VOLUME_CTRL ) ) {
        pulselayer = dynamic_cast<PulseLayer *> (getAudioDriver());
        if(pulselayer)  pulselayer->reducePulseAppsVolume();
    }

    return true;
}

//THREAD=VoIP
void
ManagerImpl::incomingMessage(const AccountID& accountId, const std::string& message) {
  if (_dbus) {
    _dbus->getCallManager()->incomingMessage(accountId, message);
  }
}

//THREAD=VoIP CALL=Outgoing
  void
ManagerImpl::peerAnsweredCall(const CallID& id)
{
    if (isCurrentCall(id)) {
        stopTone(false);
    }

    if (_dbus) _dbus->getCallManager()->callStateChanged(id, "CURRENT");

  std::string codecName = getCurrentCodecName(id);
  // _debug("ManagerImpl::hangupCall(): broadcast codec name %s \n",codecName.c_str());
  if (_dbus) _dbus->getCallManager()->currentSelectedCodec(id,codecName.c_str());
}

//THREAD=VoIP Call=Outgoing
  void
ManagerImpl::peerRingingCall(const CallID& id)
{
  if (isCurrentCall(id)) {
    ringback();
  }
  if (_dbus) _dbus->getCallManager()->callStateChanged(id, "RINGING");
}

//THREAD=VoIP Call=Outgoing/Ingoing
  void
ManagerImpl::peerHungupCall(const CallID& id)
{
    PulseLayer *pulselayer;
    AccountID accountid;
    bool returnValue;

    /* Direct IP to IP call */
    if (getConfigFromCall (id) == Call::IPtoIP) {
        SIPVoIPLink::instance (AccountNULL)->hangup (id);
    }

    else
    {
        accountid = getAccountFromCall( id );
        if (accountid == AccountNULL) {
            _debug("peerHungupCall: Call doesn't exists\n");
            return;
        }
        returnValue = getAccountLink(accountid)->peerHungup(id);
    }

    /* Broadcast a signal over DBus */
    if (_dbus) _dbus->getCallManager()->callStateChanged(id, "HUNGUP");

    if (isCurrentCall(id)) {
        stopTone(true);
        switchCall("");
    }

    removeWaitingCall(id);
    removeCallAccount(id);

    if( _audiodriver->getLayerType() == PULSEAUDIO && getConfigInt( PREFERENCES , CONFIG_PA_VOLUME_CTRL ) ) {
        pulselayer = dynamic_cast<PulseLayer *> (getAudioDriver());
        if(pulselayer)  pulselayer->restorePulseAppsVolume();
    }
}

//THREAD=VoIP
void
ManagerImpl::callBusy(const CallID& id) {
  _debug("Call busy\n");

  if (_dbus) _dbus->getCallManager()->callStateChanged(id, "BUSY");
  if (isCurrentCall(id) ) {
    playATone(Tone::TONE_BUSY);
    switchCall("");
  }
  removeCallAccount(id);
  removeWaitingCall(id);
}

//THREAD=VoIP
  void
ManagerImpl::callFailure(const CallID& id)
{
  if (_dbus) _dbus->getCallManager()->callStateChanged(id, "FAILURE");
  _debug("CALL ID = %s\n" , id.c_str());
  if (isCurrentCall(id) ) {
    playATone(Tone::TONE_BUSY);
    switchCall("");
  }
  removeCallAccount(id);
  removeWaitingCall(id);

}

//THREAD=VoIP
  void
ManagerImpl::startVoiceMessageNotification(const AccountID&