1 /* |
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2 * Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Class representing the emergency session |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef SVPEMERGENCYSESSION_H |
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21 #define SVPEMERGENCYSESSION_H |
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22 |
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23 #include <sipprofileregistryobserver.h> |
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24 #include <sipobserver.h> |
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25 |
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26 #include <mccpemergencycall.h> |
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27 #include <mccpcallobserver.h> |
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28 #include <ccpdefs.h> // error definitions |
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29 #include <mceoutsession.h> |
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30 |
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31 #include "svplogger.h" |
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32 #include "svptimer.h" |
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33 #include "svptimerobserver.h" |
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34 #include "svppositioningproviderobserver.h" |
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35 #include "svpemergencyconnectionobserver.h" |
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36 #include "svpholdobserver.h" |
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37 #include "svpdtmfeventobserver.h" |
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38 #include "svputdefs.h" |
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39 |
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40 class MCCPCallObserver; |
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41 class CSVPUtility; |
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42 class CSIP; |
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43 class CSIPProfileRegistry; |
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44 class CRCSEProfileEntry; |
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45 class CSVPPositioningProvider; |
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46 class CSVPEmergencyConnection; |
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47 class TMceTransactionDataContainer; |
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48 class CSVPHoldController; |
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49 class MCCPDTMFObserver; |
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50 class CSVPDTMFEventGenerator; |
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51 |
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52 |
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53 /** |
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54 * Class that handles emergency sessions |
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55 * |
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56 * @lib svp.dll |
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57 * @since S60 3.2 |
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58 */ |
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59 class CSVPEmergencySession : public CBase, |
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60 public MCCPEmergencyCall, |
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61 public MSIPObserver, |
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62 public MSIPProfileRegistryObserver, |
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63 public MSVPTimerObserver, |
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64 public MSVPPositioningProviderObserver, |
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65 public MSVPEmergencyConnectionObserver, |
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66 public MSVPHoldObserver, |
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67 public MSVPDTMFEventObserver |
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68 { |
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69 |
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70 public: |
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71 |
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72 /** |
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73 * Two-phased constructor. |
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74 */ |
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75 static CSVPEmergencySession* NewL( CMceManager& aMceManager, |
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76 TUint32 aVoipProfileId, |
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77 const TDesC& aAddress, |
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78 const MCCPCallObserver& aObserver, |
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79 CSVPUtility& aSVPUtility, |
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80 TBool aIsLastProfile, |
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81 TBool aIsDummy = EFalse ); |
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82 |
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83 /** |
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84 * Two-phased constructor for creating IAP session. |
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85 */ |
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86 static CSVPEmergencySession* NewL( CMceManager& aMceManager, |
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87 const TDesC& aAddress, |
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88 const MCCPCallObserver& aObserver, |
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89 CSVPUtility& aSVPUtility, |
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90 TUint32 aIapId, |
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91 TBool aIsLastProfile, |
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92 TBool aIsDummy = EFalse ); |
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93 |
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94 /** |
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95 * Destructor. |
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96 */ |
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97 virtual ~CSVPEmergencySession(); |
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98 |
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99 /** |
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100 * Returns CCP call state |
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101 * @since S60 3.2 |
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102 * @return CCP call state |
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103 */ |
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104 MCCPCallObserver::TCCPCallState State() const; |
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105 |
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106 /** |
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107 * Traps SessionStateChangedL |
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108 * @since S60 3.2 |
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109 * @param aStatusCode Status code to be handled |
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110 */ |
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111 void SessionStateChanged( TInt aStatusCode ); |
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112 |
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113 /** |
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114 * Session connection state changed |
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115 * @since S60 3.2 |
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116 * @param aSession SIP session |
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117 * @param aActive SIP connection state, ETrue if up, EFalse otherwise |
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118 */ |
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119 void SessionConnectionStateChanged( |
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120 CMceSession& aSession, TBool aActive ); |
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121 |
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122 /** |
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123 * Handles stream state changes |
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124 * @since S60 3.2 |
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125 * @param aStream Stream that has changed |
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126 */ |
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127 void StreamStateChanged( CMceMediaStream& aStream ); |
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128 |
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129 /** |
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130 * Handles remote action after session is established, i.e. hold |
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131 * @since Series60 3.2 |
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132 * @param aUpdatedSession |
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133 * @param aContainer MCE transaction container |
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134 */ |
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135 void IncomingRequestL( CMceInSession* aUpdatedSession, |
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136 TMceTransactionDataContainer aContainer ); |
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137 |
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138 /** |
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139 * Returns ETrue, if hold controller exists |
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140 * @since Series60 3.2 |
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141 * @return ETrue if hold controller exists |
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142 */ |
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143 TBool HasHoldController() const; |
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144 |
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145 /** |
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146 * Returns reference to hold controller |
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147 * @since Series60 3.2 |
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148 * @return ETrue Refenrence to hold controller |
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149 */ |
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150 CSVPHoldController& CSVPEmergencySession::HoldController() const; |
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151 |
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152 /** |
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153 * Handles hold session state changes |
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154 * @since Series60 3.2 |
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155 * @param aSession MCE session |
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156 */ |
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157 void HoldSessionStateChangedL( CMceSession& aSession ); |
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158 |
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159 /** |
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160 * Gets CCP DTMF observer |
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161 * @since Series 60 3.2 |
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162 * @return MCCPDTMFObserver CCP DTMF observer |
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163 */ |
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164 const MCCPDTMFObserver& DtmfObserver(); |
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165 |
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166 /** |
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167 * Sets CCP DTMF observer to session |
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168 * @since Series 60 3.2 |
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169 * @param aObserver Observer |
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170 */ |
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171 void SetDtmfObserver( const MCCPDTMFObserver& aObserver ); |
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172 |
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173 /** |
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174 * Starts the transmission of a single DTMF tone across a |
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175 * connected and active call. |
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176 * @since S60 3.2 |
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177 * @param aTone Tone to be played. |
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178 * @return Error code |
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179 */ |
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180 TInt StartDtmfTone( const TChar aTone ); |
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181 |
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182 /** |
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183 * Stops playing current DTMF tone. |
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184 * @since S60 3.2 |
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185 * @return Error code |
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186 */ |
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187 TInt StopDtmfTone(); |
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188 |
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189 /** |
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190 * Plays DTMF string. |
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191 * @since S60 3.2 |
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192 * @param aString String to be played. |
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193 * @return Error code |
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194 */ |
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195 TInt SendDtmfToneString( const TDesC& aString ); |
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196 |
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197 /** |
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198 * Cancels asynchronous DTMF string sending. |
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199 * @since Series 60 3.2 |
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200 * @return Error code |
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201 */ |
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202 TInt CancelDtmfStringSending(); |
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203 |
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204 |
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205 // from base class MCCPEmergencyCall |
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206 |
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207 /** |
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208 * Creates an emergency call |
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209 * @since S60 3.2 |
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210 * @param aRecipient, not used |
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211 * @return KErrNone or system wide error code |
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212 */ |
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213 TInt Dial( const TDesC& aRecipient ); |
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214 |
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215 /** |
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216 * Cancels ongoing dial request |
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217 * @since S60 3.2 |
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218 * @return KErrNone or system wide error code |
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219 */ |
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220 TInt Cancel(); |
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221 |
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222 /** |
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223 * Ends an ongoing call |
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224 * @since S60 3.2 |
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225 * @return KErrNone or system wide error code |
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226 */ |
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227 TInt HangUp(); |
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228 |
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229 /** |
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230 * Answers to an incoming call. |
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231 * @since S60 3.2 |
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232 * @return KErrNone or system wide error code |
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233 */ |
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234 TInt Answer(); |
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235 |
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236 |
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237 // from base class MSVPTimerObserver |
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238 |
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239 /** |
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240 * Notifies, that the previously set timer has now expired. |
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241 * Implemented by the class using the timer. |
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242 * @since Series 60 3.2 |
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243 * @param aTimerId The ID of the timer. Observer can identify |
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244 * timers from each other with this ID. |
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245 */ |
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246 void TimedOut( TInt aTimerId ); |
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247 |
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248 |
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249 // from base class MSIPObserver |
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250 |
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251 /** |
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252 * From MSIPObserver A SIP request has been received from the network. |
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253 * @since Series 60 3.0 |
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254 * @param aIapId The IapId from which the SIP request was received. |
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255 * @param aTransaction Contains local address, remote address of a sip |
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256 * message, as well as optional SIP message method, headers and |
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257 * body. The ownership is transferred. |
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258 */ |
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259 void IncomingRequest( TUint32 aIapId, |
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260 CSIPServerTransaction* aTransaction ); |
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261 |
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262 /** |
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263 * From MSIPObserver The received SIP request time-outed and it has been |
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264 * destroyed. |
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265 * @since Series 60 3.0 |
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266 * @param aSIPServerTransaction The time-outed transaction. Ownership is |
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267 * not transferred. |
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268 */ |
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269 void TimedOut( CSIPServerTransaction& aSIPServerTransaction ); |
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270 |
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271 |
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272 // from base class MSIPProfileRegistryObserver |
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273 |
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274 /** |
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275 * From MSIPProfileRegistryObserver An asynchronous error has occurred |
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276 * related to SIP profile Event is send to those observers, who have the |
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277 * corresponding profile instantiated. |
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278 * @since Series 60 3.0 |
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279 * @param aSIPProfileId SIP Profile ID. |
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280 * @param aError Error code. |
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281 */ |
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282 void ProfileRegistryErrorOccurred( TUint32 aSIPProfileId, |
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283 TInt aError ); |
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284 |
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285 /** |
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286 * From MSIPProfileRegistryObserver An event related to SIP Profile has |
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287 * occurred. |
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288 * @since Series 60 3.0 |
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289 * @param aProfileId SIP Profile ID. |
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290 * @param aEvent An occurred event. |
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291 */ |
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292 void ProfileRegistryEventOccurred( TUint32 aProfileId, |
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293 TEvent aEvent ); |
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294 |
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295 |
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296 // from base class MSVPPositioningProviderObserver |
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297 |
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298 /** |
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299 * Handles successful positioning requests |
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300 * |
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301 * @since S60 3.2 |
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302 * @param aPosition Acquired position information |
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303 */ |
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304 void PositioningRequestComplete( const TDesC8& aPosition ); |
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305 |
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306 /** |
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307 * Handles failed positioning requests |
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308 * |
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309 * @since S60 3.2 |
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310 * @param aError Symbian error code |
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311 */ |
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312 void PositioningErrorOccurred( TInt aError ); |
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313 |
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314 |
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315 // from base class MSVPEmergencyConnectionObserver |
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316 |
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317 /** |
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318 * SNAP connection is established |
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319 * |
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320 * @since S60 3.2 |
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321 */ |
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322 void SnapConnected(); |
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323 |
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324 /** |
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325 * IAP connection is established |
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326 * |
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327 * @since S60 3.2 |
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328 */ |
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329 void Connected(); |
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330 |
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331 /** |
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332 * SIP proxy address is ready |
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333 * |
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334 * @since S60 3.2 |
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335 * @param aAddress SIP proxy address |
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336 */ |
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337 void SipProxyAddressReady( const TDesC16& aAddress ); |
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338 |
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339 /** |
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340 * Connection error has occurred |
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341 * |
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342 * @since S60 3.2 |
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343 * @param aError Symbian error code |
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344 */ |
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345 void ConnectionError( TInt aError ); |
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346 |
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347 |
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348 // from base class MSVPHoldObserver |
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349 |
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350 /** |
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351 * Notifies, that session has been holded. |
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352 * @since Series 60 3.2 |
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353 */ |
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354 void SessionLocallyHeld(); |
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355 |
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356 /** |
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357 * Notifies, that session has been resumed. |
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358 * @since Series 60 3.2 |
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359 */ |
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360 void SessionLocallyResumed(); |
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361 |
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362 /** |
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363 * Notifies, that session has been remotely held. |
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364 * @since Series 60 3.2 |
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365 */ |
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366 void SessionRemoteHeld(); |
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367 |
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368 /** |
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369 * Notifies, that session has been remotely resumed. |
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370 * @since Series 60 3.2 |
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371 */ |
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372 void SessionRemoteResumed(); |
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373 |
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374 /** |
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375 * Notifies, that hold request failed. |
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376 * @since Series 60 3.2 |
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377 */ |
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378 void HoldRequestFailed(); |
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379 |
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380 /** |
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381 * Notifies, that resume request failed. |
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382 * @since Series 60 3.2 |
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383 */ |
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384 void ResumeRequestFailed(); |
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385 |
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386 |
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387 // from base class MSVPDTMFEventObserver |
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388 |
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389 /** |
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390 * Sends DTMF events to CCE |
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391 * @since S60 v3.2 |
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392 * @param aEvent DTMF event |
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393 */ |
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394 void InbandDtmfEventOccurred( TSVPDtmfEvent aEvent ); |
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395 |
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396 |
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397 private: |
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398 |
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399 /** |
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400 * C++ default constructor. |
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401 */ |
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402 CSVPEmergencySession( CSVPUtility& aSVPUtility, |
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403 CMceManager& aMceManager, |
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404 TBool aIsLastProfile, |
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405 TBool aIsDummy ); |
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406 |
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407 /** |
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408 * second-phase constructor |
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409 */ |
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410 void ConstructL( TUint32 aVoipProfileId, |
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411 const TDesC& aAddress, |
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412 const MCCPCallObserver& aObserver, |
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413 TBool aIsDummy ); |
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414 |
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415 /** |
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416 * Second-phase constructor for IAP session |
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417 */ |
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418 void ConstructWithIapIdL( TUint32 aIapId, |
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419 const TDesC& aAddress, |
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420 const MCCPCallObserver& aObserver, |
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421 TBool aIsDummy ); |
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422 |
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423 /** |
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424 * Continues IAP EC construction |
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425 * @since S60 3.2 |
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426 * @param aSipProxyAddress SIP proxy address |
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427 */ |
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428 void ContinueConstructWithIapIdL( const TDesC16& aSipProxyAddress ); |
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429 |
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430 /** |
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431 * Deletes failed MCE session and creates a new one without LI. Used when |
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432 * 415 Unsupported Media Type received. |
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433 * @since S60 3.2 |
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434 */ |
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435 void CreateNonLISessionL(); |
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436 |
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437 /** |
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438 * Creates unregistered MCE session |
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439 * @since S60 3.2 |
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440 */ |
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441 void CreateUnregistedSessionL(); |
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442 |
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443 /** |
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444 * Handles emergency session state change |
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445 * @since S60 3.2 |
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446 * @param aStatusCode Status code to be handled |
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447 */ |
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448 void SessionStateChangedL( TInt aMceStatusCode ); |
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449 |
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450 /** |
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451 * Determines if dialing can be proceeded |
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452 * @since S60 3.2 |
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453 */ |
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454 void ProceedDial(); |
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455 |
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456 /** |
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457 * Establishes an emergency call |
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458 * @since S60 3.2 |
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459 */ |
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460 void DialL(); |
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461 |
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462 /** |
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463 * Constructs audiostreams for emergency session |
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464 * @since Series 60 3.2 |
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465 */ |
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466 void ConstructAudioStreamsL(); |
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467 |
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468 /** |
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469 * Sets keep-alive value |
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470 * @since Series 60 3.2 |
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471 */ |
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472 void SetKeepAlive(); |
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473 |
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474 /** |
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475 * Updates keepalive parameters for MCE session |
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476 * @since Series 60 3.2 |
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477 */ |
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478 void UpdateKeepAliveL(); |
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479 |
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480 /** |
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481 * Method for checking audio priorities in audio streams. Method checks |
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482 * that correct audio priorities are used in inband/outband DTMF cases and |
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483 * sets them accordingly to uplink side codecs. |
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484 * @since S60 3.2 |
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485 * @param aAudioStreams Media streams of MCE session |
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486 */ |
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487 void CheckMmfPrioritiesForDtmfL( |
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488 const RPointerArray<CMceMediaStream>& aAudioStreams ) const; |
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489 |
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490 /** |
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491 * Starts SVP timer |
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492 * @since Series 60 3.2 |
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493 * @param aMilliSeconds Timeout |
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494 * @param aTimerId Timer ID |
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495 */ |
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496 void StartTimerL( TInt aMilliSeconds, TInt aTimerId ); |
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497 |
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498 /** |
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499 * Stop timer |
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500 * @since Series 60 3.2 |
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501 * @param aTimerId Timer ID |
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502 */ |
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503 void StopTimer( TInt aTimerId ); |
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504 |
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505 /** |
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506 * Stops started timers |
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507 * @since Series 60 3.2 |
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508 */ |
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509 void StopTimers(); |
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510 |
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511 /** |
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512 * Notify client about an error. ECCPEmergencyFailed if it is the last try |
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513 * of this plugin, normal CCP error otherwise. |
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514 * @since Series 60 3.2 |
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515 * @param aError CCP error |
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516 */ |
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517 void ErrorOccurred( TCCPError aError ); |
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518 |
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519 /** |
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520 * Initializes position provider and requests for position information. |
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521 * Traps leaves of RequestPositionL because emergency call must not fail |
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522 * due to this feature. |
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523 * |
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524 * @since S60 3.2 |
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525 * @param aIapId IAP ID |
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526 */ |
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527 void RequestPosition( TUint32 aIapId ); |
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528 |
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529 /** |
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530 * Initializes position provider and requests for position information. |
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531 * |
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532 * @since S60 3.2 |
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533 * @param aIapId IAP ID |
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534 */ |
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535 void RequestPositionL( TUint32 aIapId ); |
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536 |
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537 /** |
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538 * Requests for SIP proxy address |
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539 * |
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540 * @since S60 3.2 |
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541 */ |
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542 void RequestSipProxyAddressL(); |
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543 |
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544 /** |
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545 * Parses content ID from URI: removes "sip(s):" prefix, if one exists. |
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546 * @since S60 3.2 |
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547 * @param aUri URI to be parsed |
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548 * @return Parsed content ID |
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549 */ |
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550 HBufC8* ParseContentIdL( const TDesC8& aUri ); |
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551 |
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552 /** |
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553 * Parses cid: adds "cid:" prefix and brackets. |
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554 * @since S60 3.2 |
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555 * @param aContentId Content ID to be parsed |
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556 * @return Parsed cid |
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557 */ |
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558 HBufC8* ParseCidL( const TDesC8& aContentId ); |
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559 |
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560 |
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561 private: // data |
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562 |
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563 /** |
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564 * reference to SVP utility class |
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565 */ |
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566 CSVPUtility& iSVPUtility; |
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567 |
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568 /** |
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569 * Reference to MCE manager |
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570 */ |
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571 CMceManager& iMceManager; |
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572 |
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573 /** |
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574 * Contains current session state |
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575 */ |
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576 MCCPCallObserver::TCCPCallState iSessionState; |
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577 |
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578 /** |
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579 * VoIP profile ID, KErrNotFound if creating an IAP session |
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580 */ |
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581 TInt iVoipProfileId; |
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582 |
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583 /** |
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584 * Id of SIP profile |
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585 */ |
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586 TUint32 iSipProfileId; |
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587 |
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588 /** |
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589 * IAP ID |
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590 */ |
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591 TUint32 iIapId; |
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592 |
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593 /** |
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594 * Session Expires value |
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595 */ |
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596 TUint32 iSessionExpires; |
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597 |
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598 /** |
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599 * Keep-alive value |
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600 */ |
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601 TInt iKeepAlive; |
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602 |
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603 /** |
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604 * Indicates that this the last profile to be tried with this plugin. If it |
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605 * fails, ECCPEmergencyFailed must be sent instead of normal error codes. |
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606 */ |
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607 TBool iIsLastProfile; |
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608 |
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609 /** |
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610 * Indicates that this session is dummy. ErrorOccurred is called on the |
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611 * next CCP API operation. |
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612 */ |
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613 TBool iIsDummy; |
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614 |
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615 /** |
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616 * Indicates that Dial() has been called |
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617 */ |
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618 TBool iIsDialed; |
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619 |
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620 /** |
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621 * Indicates that LI request is ready |
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622 */ |
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623 TBool iIsLIRequestReady; |
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624 |
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625 /** |
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626 * Session timers, need an array since there migh be more than one. |
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627 */ |
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628 RPointerArray< CSVPTimer > iTimers; |
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629 |
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630 /** |
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631 * Pointer to CCP call observer |
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632 * Not own. |
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633 */ |
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634 MCCPCallObserver* iEmergencyObserver; |
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635 |
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636 /** |
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637 * Pointer to created emergency session |
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638 * Own. |
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639 */ |
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640 CMceSession* iEmergencySession; |
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641 |
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642 /** |
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643 * Pointer to failed emergency session after received 415 |
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644 * Own. |
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645 */ |
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646 CMceSession* iFailedEmergencySession; |
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647 |
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648 /** |
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649 * User AOR. Member data because it is needed for creating location |
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650 * related SIP headers. |
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651 */ |
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652 HBufC8* iUserAor; |
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653 |
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654 /** |
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655 * Recipient address. |
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656 * Own. |
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657 */ |
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658 HBufC8* iAddress; |
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659 |
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660 /** |
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661 * Recipient URI. Member data because it is needed for creating location |
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662 * related SIP headers. |
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663 * Own. |
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664 */ |
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665 HBufC8* iRecipientUri; |
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666 |
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667 /** |
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668 * Positioning provider |
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669 * Own. |
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670 */ |
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671 CSVPPositioningProvider* iPositioningProvider; |
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672 |
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673 /** |
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674 * Position information |
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675 * Own. |
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676 */ |
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677 HBufC8* iPositionInformation; |
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678 |
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679 /** |
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680 * Emergency connection. |
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681 * Own. |
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682 */ |
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683 CSVPEmergencyConnection* iEmergencyConnection; |
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684 |
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685 /** |
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686 * Hold Controller. |
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687 * Own. |
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688 */ |
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689 CSVPHoldController* iHoldController; |
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690 |
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691 /** |
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692 * Reference to DTMF observer. |
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693 * Not own. |
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694 */ |
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695 MCCPDTMFObserver* iDtmfObserver; |
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696 |
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697 /* |
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698 * DTMF event generator, used in inband dtmf case. |
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699 * Own. |
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700 */ |
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701 CSVPDTMFEventGenerator* iDTMFEventGenerator; |
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702 |
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703 /** |
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704 * Tone information. Updated everytime session state changes. |
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705 */ |
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706 TCCPTone iTone; |
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707 |
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708 /** |
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709 * Contains DTMF tone sent. Used with inband DTMF. |
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710 */ |
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711 TChar iDtmfTone; |
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712 |
|
713 /** |
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714 * Contains DTMF string sent. Used with inband DTMF. |
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715 */ |
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716 HBufC* iDtmfString; |
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717 |
|
718 /* |
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719 * Keeps count of the current tone sent. Used with inband DTMF |
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720 */ |
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721 TLex iDtmfLex; |
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722 |
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723 private: |
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724 |
|
725 // For testing |
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726 SVP_UT_DEFS |
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727 |
|
728 }; |
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729 |
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730 #endif // SVPEMERGENCYSESSION_H |
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