telephonyserverplugins/multimodetsy/hayes/ATDIAL.CPP
changeset 0 3553901f7fa8
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-1:000000000000 0:3553901f7fa8
       
     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <commsdattypesv1_1.h>
       
    17 #include <cdblen.h>
       
    18 #include "ATDIAL.H"
       
    19 #include "mSLOGGER.H"
       
    20 #include "PHONE.H"
       
    21 #include "CALL.H"
       
    22 #include "ATNOCARR.H"
       
    23 #include "NOTIFY.H"
       
    24 #include "ATIO.H"
       
    25 
       
    26 #include <etelmm.h>
       
    27 #include "Matstd.h"
       
    28 
       
    29 const TInt KWaitForConnect=30000; 
       
    30 
       
    31 CATDialVoice* CATDialVoice::NewL(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
    32 	{
       
    33 	CATDialVoice* dial=new(ELeave) CATDialVoice(aIo, aTelObject, aInit,aPhoneGlobals);
       
    34 	CleanupStack::PushL(dial);
       
    35 	dial->ConstructL();		// This ConstructL call is required to allow our base classes to construct
       
    36 	CleanupStack::Pop();
       
    37 	return dial;
       
    38 	}
       
    39 
       
    40 CATDialVoice::CATDialVoice(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
    41 	: CATVoiceCallConnectCommands(aIo,aTelObject,aInit,aPhoneGlobals)
       
    42 	{}
       
    43 
       
    44 
       
    45 void CATDialVoice::Start(TTsyReqHandle aTsyReqHandle, TAny* aParams)
       
    46 	{
       
    47 	LOGTEXT(_L8("Starting Voice Dial Command"));
       
    48 	iState=EATInitialising;
       
    49 	iTelnum=REINTERPRET_CAST(TDesC*,aParams);
       
    50 	CATVoiceCallConnectCommands::Start(aTsyReqHandle,aParams);
       
    51 	}
       
    52 
       
    53 void CATDialVoice::Stop(TTsyReqHandle aTsyReqHandle)
       
    54 //
       
    55 //	Attempt to halt the dial process by sending a carriage return, expecting a NO CARRIER
       
    56 //	message, or if the pre-dial commands are still being sent then simply wait for OK
       
    57 //
       
    58 	{
       
    59 	__ASSERT_ALWAYS(aTsyReqHandle == iReqHandle,Panic(EIllegalTsyReqHandle));
       
    60 	__ASSERT_ALWAYS(iState!=EATNotInProgress,Panic(EATCommand_NotInProgress));		
       
    61 	LOGTEXT(_L8("Cancelling Voice Dial Command"));
       
    62 	iIo->WriteAndTimerCancel(this);
       
    63 	if (iState!=EATInitialising)
       
    64 		{
       
    65 		Write(KCarriageReturn(),1);		
       
    66 		iState = EATCancellingWaitForWriteComplete;
       
    67 		iPreConnectState=CATCallConnectCommands::ENotInProgress;	
       
    68 		}
       
    69 	else
       
    70 		{
       
    71 		AddStdExpectStrings(); 
       
    72 		iPreConnectState=CATCallConnectCommands::ECancelling;
       
    73 		iState = EATNotInProgress;
       
    74 		}
       
    75 	}
       
    76 
       
    77 TInt CATDialVoice::AddDialExpectStrings()
       
    78 	{
       
    79 	LOGTEXT2(_L8("Entered CATDialVoice::AddDialExpectStringsL with iNoDialToneExpectString of %x"),iNoDialToneExpectString);
       
    80 
       
    81 	AddCommonExpectStrings();
       
    82 
       
    83 	TInt ret(KErrNone);
       
    84 
       
    85 	if (!iCallMonitoringExpectString)
       
    86 		{
       
    87 			iCallMonitoringExpectString=iIo->AddExpectString(this,KCallMonitoringEventString);
       
    88 		}
       
    89 
       
    90 	if (!iBusyExpectString)
       
    91 		{
       
    92 		ret=iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameBusy),iBusyString);
       
    93 		if(ret!=KErrNone)
       
    94 			return ret;
       
    95 		AppendWildCardChar(iBusyString);
       
    96 		iBusyExpectString=iIo->AddExpectString(this,iBusyString);
       
    97 		}
       
    98 
       
    99 	if (!iNoDialToneExpectString)
       
   100 		{
       
   101 		ret=iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameNoDialTone),iNoDialToneString);
       
   102 		if(ret!=KErrNone)
       
   103 			return ret;
       
   104 		iNoDialToneExpectString=iIo->AddExpectString(this,iNoDialToneString);
       
   105 		}
       
   106 
       
   107 	if (!iNoAnswerExpectString)
       
   108 		{
       
   109 		ret=iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameNoAnswer),iNoAnswerString);
       
   110 		if(ret!=KErrNone)
       
   111 			return ret;
       
   112 		AppendWildCardChar(iNoAnswerString);
       
   113 		iNoAnswerExpectString=iIo->AddExpectString(this,iNoAnswerString);
       
   114 		}
       
   115 
       
   116 	if (!iDelayedExpectString)
       
   117 		iDelayedExpectString=iIo->AddExpectString(this,KDelayedString);
       
   118 
       
   119 	LOGTEXT(_L8("Leaving CATDialVoice::AddDialExpectStringsL"));
       
   120 
       
   121 	return KErrNone;
       
   122 	}
       
   123 
       
   124 TInt CATDialVoice::ValidateDialExpectString()
       
   125 	{
       
   126 	CCommChatString* foundChatString = iIo->FoundChatString();
       
   127 
       
   128 	if (foundChatString == iOKExpectString)
       
   129 		return KErrNone;
       
   130 
       
   131 	if (foundChatString == iCallMonitoringExpectString)
       
   132 	{
       
   133 		LOGTEXT(_L8("Modem returned *ECAV Ericsson Call Monitoring (similar to NO CARRIER) in response to dial command"));
       
   134 		return KErrEtelNoCarrier;
       
   135 	}
       
   136 
       
   137 	if (foundChatString == iNoCarrierExpectString)
       
   138 		{
       
   139 		LOGTEXT(_L8("Modem returned NO CARRIER in response to dial command"));
       
   140 		return KErrEtelNoCarrier;
       
   141 		}
       
   142 
       
   143 	if (foundChatString == iNoDialToneExpectString)
       
   144 		{
       
   145 		LOGTEXT(_L8("Modem returned NO DIALTONE in response to dial command"));
       
   146 		return KErrEtelNoDialTone;
       
   147 		}
       
   148 
       
   149 	if (foundChatString == iBusyExpectString)
       
   150 		{
       
   151 		LOGTEXT(_L8("Modem returned BUSY in response to dial command"));
       
   152 		return KErrEtelBusyDetected;
       
   153 		}
       
   154 
       
   155 	if (foundChatString == iNoAnswerExpectString)
       
   156 		{
       
   157 		LOGTEXT(_L8("Modem returned NO ANSWER in response to dial command"));
       
   158 		return KErrEtelNoAnswer;
       
   159 		}
       
   160 
       
   161 	if (foundChatString == iDelayedExpectString)
       
   162 		{
       
   163 		LOGTEXT(_L8("Modem returned DELAYED in response to dial command"));
       
   164 		return KErrEtelBusyDetected;	// No 'Delayed' error message
       
   165 		}
       
   166 
       
   167 	LOGTEXT(_L8("Voice dial command\tunexpected match!"));
       
   168 	return KErrGeneral;
       
   169 	}
       
   170 
       
   171 void CATDialVoice::RemoveDialExpectStrings()
       
   172 	{
       
   173 	RemoveCommonExpectStrings();
       
   174 	iIo->RemoveExpectString(iCallMonitoringExpectString);
       
   175 	iCallMonitoringExpectString=NULL;	// Set pointer to NULL to denote we have removed the expect string
       
   176 	iIo->RemoveExpectString(iBusyExpectString);
       
   177 	iBusyExpectString=NULL;			// Set pointer to NULL to denote we have removed the expect string
       
   178 	iIo->RemoveExpectString(iNoDialToneExpectString);
       
   179 	iNoDialToneExpectString=NULL;	// Set pointer to NULL to denote we have removed the expect string
       
   180 	iIo->RemoveExpectString(iNoAnswerExpectString);
       
   181 	iNoAnswerExpectString=NULL;		// Set pointer to NULL to denote we have removed the expect string
       
   182 	iIo->RemoveExpectString(iDelayedExpectString);
       
   183 	iDelayedExpectString=NULL;		// Set pointer to NULL to denote we have removed the expect string
       
   184 	}
       
   185 
       
   186 void CATDialVoice::CompleteWithIOError(TEventSource aSource,TInt aStatus)
       
   187 	{
       
   188 	if (iState!=EATNotInProgress)
       
   189 		{
       
   190 		iState = EATNotInProgress;
       
   191 		CATCallConnectCommands::CompleteWithIOError(aSource,aStatus);
       
   192 		}
       
   193 	}
       
   194 
       
   195 
       
   196 void CATDialVoice::EventSignal(TEventSource aSource)
       
   197 	{
       
   198 	LOGTEXT2(_L8("CATDialVoice::EventSignal with iState %d"),iState);
       
   199 	if ((aSource==ETimeOutCompletion)&&(iState!=EATCancellingReadCompleted)
       
   200 		&&(iState!=CATDialVoice::EATNotInProgress)
       
   201 		&&(iState!=CATDialVoice::EDTRDropped)
       
   202 		&&(iState!=CATDialVoice::EWaitForDTRRaiseSettle)
       
   203 		&&(iState!=CATDialVoice::EATHangupReadCompleted))
       
   204 		{
       
   205 		LOGTEXT(_L8("Timeout Error during voice Dial"));
       
   206 		RemoveDialExpectStrings();
       
   207 		RemoveStdExpectStrings();
       
   208 		iState = EATNotInProgress;
       
   209 		Complete(KErrTimedOut,aSource);
       
   210 		return;
       
   211 		}
       
   212 
       
   213 	//
       
   214 	// Read Completions can happen in unexpected places with the 
       
   215 	// Ericsson Call Monitoring (AT*ECAM=1) turned on, so need check
       
   216 	// it outside of the state machine.
       
   217 	//
       
   218 	// The Ericsson call monitoring replaces the Ericsson SH888 hack also
       
   219 	//
       
   220 	if ((aSource==EReadCompletion))
       
   221 		{
       
   222 		// Does it match a General Expect String?
       
   223 		TInt ret=ValidateExpectString();
       
   224 
       
   225 		// Not General, so does it match a Dial Specific Expect String?
       
   226 		if (ret != KErrNone)
       
   227 			ret=ValidateDialExpectString();
       
   228 
       
   229 		// It doesn't match any Expect Strings at all, so complete with error
       
   230 		// otherwise just continue with the state machine as normal
       
   231 		if (ret != KErrNone)
       
   232 			{
       
   233 			LOGTEXT2(_L8("Completing call with Error %d"), ret);
       
   234 			Complete(ret,aSource);
       
   235 			return;
       
   236 			}
       
   237 		}
       
   238 
       
   239 	if (iPreConnectState!=CATCallConnectCommands::EATInitCompleted
       
   240 		&& iPreConnectState!=CATCallConnectCommands::ENotInProgress)
       
   241 		{
       
   242 		CATCallConnectCommands::PreConnectEventSignal(aSource);
       
   243 		if (iPreConnectState==CATCallConnectCommands::ENotInProgress)	// cancelled
       
   244 			iState=EATNotInProgress;
       
   245 		if (iPreConnectState!=CATCallConnectCommands::EATInitCompleted)
       
   246 			return;
       
   247 		else
       
   248 			iState=EATSendDialCommand;
       
   249 		}
       
   250 	
       
   251 	switch(iState)
       
   252 		{
       
   253 	case EATSendDialCommand:
       
   254 		{
       
   255 		ChangeLineStatus(RCall::EStatusDialling);
       
   256 		// Setting to EStatusDialling always returns KErrNone
       
   257 		(void)ChangeCallStatus(RMobileCall::EStatusDialling);
       
   258 		iPhoneGlobals->iNotificationStore->CheckNotification(REINTERPRET_CAST(CCallBase*,iTelObject),EBegunConnecting);
       
   259 		TBuf8<KCommsDbSvrMaxFieldLength> dialModifier;
       
   260 		TInt ret = iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameDialToneWaitModifier),dialModifier);
       
   261 		if (ret)
       
   262 			{
       
   263 			Complete(ret,aSource);
       
   264 			break;
       
   265 			}
       
   266 		TInt len = iTelnum->Length();
       
   267 		
       
   268 		HBufC8* buf = NULL;
       
   269 		TRAP(ret,buf  = HBufC8::NewL(len));
       
   270 		if (ret)
       
   271 			{
       
   272 			Complete(ret,aSource);
       
   273 			break;
       
   274 			}
       
   275 		TPtr8 newTelnum(buf->Des());
       
   276 		newTelnum.Copy(*iTelnum);
       
   277 		
       
   278    		TInt aPos=newTelnum.FindF(dialModifier);
       
   279 		if (aPos!=KErrNotFound)
       
   280 			newTelnum.Delete(aPos,1);
       
   281 		iTxBuffer.Format(KDialVoiceCommandFormat,&newTelnum);
       
   282 		delete buf;
       
   283 		iIo->Write(this,iTxBuffer);
       
   284 		iIo->SetTimeOut(this);
       
   285 		iState=EATDialWaitForWriteComplete;
       
   286 		}
       
   287 		break;
       
   288 
       
   289 	case EATDialWaitForWriteComplete:
       
   290 		{
       
   291 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   292 		TInt ret=AddDialExpectStrings();
       
   293 		AddStdExpectStrings();
       
   294 		if (ret)
       
   295 			{
       
   296 			Complete(ret,aSource);
       
   297 			break;
       
   298 			}
       
   299 		iIo->SetTimeOut(this,KWaitForConnect); // 30 seconds for the other end to pick up.
       
   300 		iState=EATDialReadComplete;
       
   301 		}
       
   302 		break;
       
   303 
       
   304 	case EATDialReadComplete:
       
   305 		__ASSERT_ALWAYS(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionReadExpected));
       
   306 			{
       
   307 			iIo->WriteAndTimerCancel(this);
       
   308 			RemoveDialExpectStrings();
       
   309 			RemoveStdExpectStrings();
       
   310 			iState = EATNotInProgress;
       
   311 			Complete(KErrNone,aSource);
       
   312 			}
       
   313 		break;
       
   314 
       
   315 	case EATCancellingWaitForWriteComplete:
       
   316 		{
       
   317 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   318 		TInt ret=AddDialExpectStrings();
       
   319 		if (ret)
       
   320 			{
       
   321 			Complete(ret,aSource);
       
   322 			break;
       
   323 			}
       
   324 		if (!iOKExpectString)
       
   325 			{
       
   326 			iOKExpectString=iIo->AddExpectString(this,KOkString);
       
   327 			}
       
   328 		iIo->SetTimeOut(this);
       
   329 		iState=EATCancellingReadCompleted;
       
   330 		}
       
   331 		break;
       
   332 
       
   333 	case EATCancellingReadCompleted:
       
   334 			{
       
   335 			iState = EATNotInProgress;
       
   336 			if (aSource==EReadCompletion)
       
   337 				{
       
   338 				TInt ret=ValidateDialExpectString();
       
   339 				RemoveDialExpectStrings();
       
   340 				iOKExpectString=NULL;
       
   341 				if (ret==KErrNone)
       
   342 					{
       
   343 					iIo->DropDtr();		
       
   344 					iIo->SetTimeOut(this,KDTRLowPeriod);
       
   345 					iState=EDTRDropped;
       
   346 					return;
       
   347 					}
       
   348 				}
       
   349 			RemoveDialExpectStrings();
       
   350 			Complete(KErrCancel,aSource);
       
   351 			}
       
   352 		break;
       
   353 
       
   354 	case EDTRDropped:
       
   355 		__ASSERT_ALWAYS(aSource==ETimeOutCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));
       
   356 		iIo->Cancel();
       
   357 		iIo->RaiseDTR();
       
   358 		iIo->Read();
       
   359 		iIo->SetTimeOut(this,KDTRHighSettle);
       
   360 		iState=EWaitForDTRRaiseSettle;
       
   361 		break;
       
   362 
       
   363 	case EWaitForDTRRaiseSettle:
       
   364 		__ASSERT_ALWAYS(aSource==ETimeOutCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));
       
   365 		Write(KHangUpCommand(),1);
       
   366 		iState=EATHangupWaitForWriteComplete;
       
   367 		break;
       
   368 
       
   369 	case EATHangupWaitForWriteComplete:
       
   370 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   371 		if (!iNoCarrierExpectString)
       
   372 			iNoCarrierExpectString=iIo->AddExpectString(this,KNoCarrierString);
       
   373 		StandardWriteCompletionHandler(aSource,2);
       
   374 		iState=EATHangupReadCompleted;
       
   375 		break;
       
   376 	
       
   377 	case EATHangupReadCompleted:
       
   378 		__ASSERT_ALWAYS(aSource!=EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteNotExpected));
       
   379 		Complete(KErrCancel,aSource);
       
   380 		break;
       
   381 
       
   382 	default:
       
   383 		;
       
   384 		}		
       
   385 	}
       
   386 
       
   387 //
       
   388 // Dial number for data call. Remove the dial modifier W if found and only add it again if the
       
   389 // call parameters indicate that we are to wait for dial tone.
       
   390 //
       
   391 CATDialData* CATDialData::NewL(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
   392 	{
       
   393 	CATDialData* dial=new(ELeave) CATDialData(aIo, aTelObject, aInit,aPhoneGlobals);
       
   394 	CleanupStack::PushL(dial);
       
   395 	dial->ConstructL();
       
   396 	CleanupStack::Pop();
       
   397 	return dial;
       
   398 	}
       
   399 
       
   400 CATDialData::CATDialData(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
   401 											: CATDataCallConnectCommands(aIo,aTelObject,aInit,aPhoneGlobals)
       
   402 	{}
       
   403 
       
   404 
       
   405 void CATDialData::Start(TTsyReqHandle aTsyReqHandle, TAny* aParams)
       
   406 	{
       
   407 	LOGTEXT(_L8("Starting ATD Dial Command"));
       
   408 	iState=EATInitialising;
       
   409 	iTelnum=REINTERPRET_CAST(TDesC*,aParams);
       
   410 	CATDataCallConnectCommands::Start(aTsyReqHandle,aParams);
       
   411 	}
       
   412 
       
   413 void CATDialData::Stop(TTsyReqHandle aTsyReqHandle)
       
   414 //
       
   415 //	Attempt to halt the dial process by sending a carriage return, expecting a NO CARRIER
       
   416 //	message, or if the pre-dial commands are still being sent then simply wait for OK
       
   417 //
       
   418 	{
       
   419 	__ASSERT_ALWAYS(aTsyReqHandle == iReqHandle,Panic(EIllegalTsyReqHandle));
       
   420 	__ASSERT_ALWAYS(iState!=EATNotInProgress,Panic(EATCommand_NotInProgress));		
       
   421 	LOGTEXT(_L8("Cancelling ATD Dial Command"));
       
   422 	if (iState!=EATInitialising)
       
   423 		{
       
   424 		iIo->WriteAndTimerCancel(this);
       
   425 		Write(KCarriageReturn(),1);		
       
   426 		iState = EATCancellingWaitForWriteComplete;
       
   427 		iPreConnectState=CATCallConnectCommands::ENotInProgress;	
       
   428 		}
       
   429 	else
       
   430 		{
       
   431 		AddStdExpectStrings(); 
       
   432 		iPreConnectState=CATCallConnectCommands::ECancelling;
       
   433 		iState = EATNotInProgress;
       
   434 		}
       
   435 	}
       
   436 
       
   437 void CATDialData::AddDialExpectStringsL()
       
   438 	{
       
   439 	LOGTEXT2(_L8("Entered CATDialData::AddDialExpectStringsL with iNoDialToneExpectString of %x"),iNoDialToneExpectString);
       
   440 	(void)User::LeaveIfError(AddCommonExpectStrings());
       
   441 	if (!iBusyExpectString)
       
   442 		{
       
   443 		(void)User::LeaveIfError(iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameBusy),iBusyString));
       
   444 		AppendWildCardChar(iBusyString);
       
   445 		iBusyExpectString=iIo->AddExpectString(this,iBusyString);
       
   446 		}
       
   447 	if (!iNoDialToneExpectString)
       
   448 		{
       
   449 		(void)User::LeaveIfError(iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameNoDialTone),iNoDialToneString));
       
   450 		iNoDialToneExpectString=iIo->AddExpectString(this,iNoDialToneString);
       
   451 		}
       
   452 	if (!iNoAnswerExpectString)
       
   453 		{
       
   454 		(void)User::LeaveIfError(iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameNoAnswer),iNoAnswerString));
       
   455 		AppendWildCardChar(iNoAnswerString);
       
   456 		iNoAnswerExpectString=iIo->AddExpectString(this,iNoAnswerString);
       
   457 		}
       
   458 	if (!iDelayedExpectString)
       
   459 		iDelayedExpectString=iIo->AddExpectString(this,KDelayedString);
       
   460 	LOGTEXT(_L8("Leaving CATDialData::AddDialExpectStringsL"));
       
   461 	}
       
   462 
       
   463 void CATDialData::ValidateDialExpectStringL()
       
   464 	{
       
   465 	CCommChatString* foundChatString = iIo->FoundChatString();
       
   466 	if (foundChatString == iConnectExpectString)
       
   467 		{
       
   468 		return;
       
   469 		}
       
   470 	if (foundChatString == iNoCarrierExpectString)
       
   471 		{
       
   472 		LOGTEXT(_L8("Modem returned NO CARRIER in response to dial command"));
       
   473 		User::Leave(KErrEtelNoCarrier);
       
   474 		}
       
   475 	if (foundChatString == iNoDialToneExpectString)
       
   476 		{
       
   477 		LOGTEXT(_L8("Modem returned NO DIALTONE in response to dial command"));
       
   478 		User::Leave(KErrEtelNoDialTone);
       
   479 		}
       
   480 	if (foundChatString == iBusyExpectString)
       
   481 		{
       
   482 		LOGTEXT(_L8("Modem returned BUSY in response to dial command"));
       
   483 		User::Leave(KErrEtelBusyDetected);
       
   484 		}
       
   485 	if (foundChatString == iNoAnswerExpectString)
       
   486 		{
       
   487 		LOGTEXT(_L8("Modem returned NO ANSWER in response to dial command"));
       
   488 		User::Leave(KErrEtelNoAnswer);
       
   489 		}
       
   490 	if (foundChatString == iDelayedExpectString)
       
   491 		{
       
   492 		LOGTEXT(_L8("Modem returned DELAYED in response to dial command"));
       
   493 		User::Leave(KErrEtelBusyDetected);	// No 'Delayed' error message
       
   494 		}
       
   495 	LOGTEXT(_L8("Data dial command\tunexpected match!"));
       
   496 	User::Leave(KErrGeneral);
       
   497 	}
       
   498 
       
   499 void CATDialData::RemoveDialExpectStrings()
       
   500 	{
       
   501 	RemoveCommonExpectStrings();
       
   502 	iIo->RemoveExpectString(iBusyExpectString);
       
   503 	iBusyExpectString=NULL;
       
   504 	iIo->RemoveExpectString(iNoDialToneExpectString);
       
   505 	iNoDialToneExpectString=NULL;
       
   506 	iIo->RemoveExpectString(iNoAnswerExpectString);
       
   507 	iNoAnswerExpectString=NULL;
       
   508 	iIo->RemoveExpectString(iDelayedExpectString);
       
   509 	iDelayedExpectString=NULL;
       
   510 	}
       
   511 
       
   512 void CATDialData::CompleteWithIOError(TEventSource aSource,TInt aStatus)
       
   513 	{
       
   514 	if (iState!=EATNotInProgress)
       
   515 		{
       
   516 		iState = EATNotInProgress;
       
   517 		CATCallConnectCommands::CompleteWithIOError(aSource,aStatus);
       
   518 		}
       
   519 	}
       
   520 
       
   521 void CATDialData::EventSignal(TEventSource aSource)
       
   522 	{
       
   523 	LOGTEXT3(_L8("CATDialData::EventSignal with iState:%d aSource:%d"),iState,aSource);
       
   524 	
       
   525 	if(aSource==ETimeOutCompletion)
       
   526 		{
       
   527 		if(iState!=EATSpeedReadComplete && iState!=EATCancellingReadCompleted &&
       
   528 		   iState!=EATNotInProgress && 
       
   529 		   iState!=EDTRDropped && iState!=EWaitForDTRRaiseSettle && iState!=EATHangupReadCompleted)
       
   530 			{
       
   531 			LOGTEXT(_L8("CATDialData::EventSignal  Timeout Error during Dial"));
       
   532 			RemoveDialExpectStrings();
       
   533 			iState = EATNotInProgress;
       
   534 			Complete(KErrTimedOut,aSource);
       
   535 			return;
       
   536 			}
       
   537 		}
       
   538 
       
   539 	if (iPreConnectState!=CATCallConnectCommands::EATInitCompleted
       
   540 		&& iPreConnectState!=CATCallConnectCommands::ENotInProgress)
       
   541 		{
       
   542 		CATCallConnectCommands::PreConnectEventSignal(aSource);
       
   543 		if (iPreConnectState==CATCallConnectCommands::ENotInProgress)	// cancelled
       
   544 			{
       
   545 			LOGTEXT2(_L8("CATDialData::EventSignal1 with iPreConnectState %d"),iPreConnectState);
       
   546 			iState=EATNotInProgress;
       
   547 			}
       
   548 		if (iPreConnectState!=CATCallConnectCommands::EATInitCompleted)
       
   549 			{
       
   550 			LOGTEXT2(_L8("CATDialData::EventSignal2 with iPreConnectState %d"),iPreConnectState);
       
   551 			return;
       
   552 			}
       
   553 		else
       
   554 			{
       
   555 			//
       
   556 			// Start the sending of the +CBST= command.
       
   557 			//
       
   558 			// If the SendBearerCapsCommand fails to start the sending
       
   559 			// of the +CBST= command then we have to start the dial instead
       
   560 			if(!SendBearerCapsCommand(aSource))		// Will set iState=EATBearerCapsWaitForWriteComplete
       
   561 				StartDialCommand(aSource);			// Will set iState=EATDialWaitForWriteComplete
       
   562 			return;
       
   563 			}
       
   564 		}
       
   565 	
       
   566 	switch(iState)
       
   567 		{
       
   568 	case EATBearerCapsWaitForWriteComplete:
       
   569 		__ASSERT_DEBUG(iCallType==EDataCall,Panic(ENotDataCallType));
       
   570 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   571 		StandardWriteCompletionHandler(aSource,4);
       
   572 		iState=EATBearerCapsReadComplete;
       
   573 		break;
       
   574 
       
   575 	case EATBearerCapsReadComplete:
       
   576 		__ASSERT_DEBUG(iCallType==EDataCall,Panic(ENotDataCallType));
       
   577 		__ASSERT_ALWAYS(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionReadExpected));
       
   578 		//
       
   579 		// Ignore any OK, ERROR or any other response from the modem.
       
   580 		// This is because some modems, eg. those with out speakers, will ERROR these 
       
   581 		// configuration commands even though the call can go ahead.
       
   582 		RemoveStdExpectStrings();
       
   583 
       
   584 		
       
   585 		//
       
   586 		// Start the dial command
       
   587 		StartDialCommand(aSource); // This will set iState to EATDialWaitForWriteComplete
       
   588 		break;
       
   589 
       
   590 	case EATDialWaitForWriteComplete:
       
   591 		{
       
   592 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   593 		TRAPD(ret,AddDialExpectStringsL());
       
   594 		if (ret)
       
   595 			{
       
   596 			Complete(ret,aSource);
       
   597 			break;
       
   598 			}
       
   599 		iIo->SetTimeOut(this,(iPhoneGlobals->iPhoneStatus.iWaitForCarrierTime*1000)+KExtraWaitTime);
       
   600 		iState=EATDialReadComplete;
       
   601 		}
       
   602 		break;
       
   603 
       
   604 	case EATDialReadComplete:
       
   605 		__ASSERT_ALWAYS(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionReadExpected));
       
   606 			{
       
   607 			TRAPD(ret,ValidateDialExpectStringL());
       
   608 			RemoveDialExpectStrings();
       
   609 			if (ret!=KErrNone)
       
   610 				{
       
   611 				iState = EATNotInProgress;
       
   612 				Complete(ret,aSource);
       
   613 				break;
       
   614 				}
       
   615 			iIo->SetTimeOut(this,(KTimeForExtraRxData*5));
       
   616 			iState=EATSpeedReadComplete;
       
   617 			}
       
   618 		break;
       
   619 
       
   620 	case EATSpeedReadComplete:
       
   621 		{
       
   622 		__ASSERT_ALWAYS(aSource==ETimeOutCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));
       
   623 		iIo->WriteAndTimerCancel(this);
       
   624 		TInt ret=ParseForBearerCapsResponse();
       
   625 		iState = EATNotInProgress;
       
   626 		if (ret!=KErrNone)
       
   627 			{
       
   628 			Complete(ret,aSource);
       
   629 			break;
       
   630 			}
       
   631 		ret=ParseForBearerSpeedResponse();
       
   632 		Complete(ret,aSource);
       
   633 		break;
       
   634 		}
       
   635 
       
   636 	case EATCancellingWaitForWriteComplete:
       
   637 		{
       
   638 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   639 		TRAPD(ret,AddDialExpectStringsL());
       
   640 		if (ret)
       
   641 			{
       
   642 			Complete(ret,aSource);
       
   643 			break;
       
   644 			}
       
   645 		if (!iOKExpectString)
       
   646 			{
       
   647 			iOKExpectString=iIo->AddExpectString(this,KOkString);
       
   648 			}
       
   649 		iIo->SetTimeOut(this);
       
   650 		iState=EATCancellingReadCompleted;
       
   651 		}
       
   652 		break;
       
   653 
       
   654 	case EATCancellingReadCompleted:
       
   655 		{
       
   656 		if (aSource==ETimeOutCompletion)
       
   657 			{
       
   658 			// The phone ignored the request to cancel the connection.
       
   659 			// The modem will be forced to drop the connection when we
       
   660 			// lower the DTR.
       
   661 			LOGTEXT(_L8("Phone ignored dial cancel request"));
       
   662 			}
       
   663 		else if (aSource==EReadCompletion)
       
   664 			{
       
   665 			if (iIo->FoundChatString() != iOKExpectString)
       
   666 				{
       
   667 				// The modem did not respond with OK as expected.
       
   668 				LOGTEXT(_L8("Phone returned an unexpected response to a dial cancel request"));
       
   669 				}
       
   670 			}
       
   671 		RemoveDialExpectStrings();
       
   672 		iIo->RemoveExpectString(iOKExpectString);
       
   673 		iOKExpectString=NULL;
       
   674 		iIo->DropDtr();
       
   675 		iIo->SetTimeOut(this,KDTRLowPeriod);
       
   676 		iState=EDTRDropped;
       
   677 		}
       
   678 		break;
       
   679 
       
   680 	case EDTRDropped:
       
   681 		__ASSERT_ALWAYS(aSource==ETimeOutCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));
       
   682 		iIo->Cancel();
       
   683 		iIo->RaiseDTR();
       
   684 		iIo->Read();
       
   685 		iIo->SetTimeOut(this,KDTRHighSettle);
       
   686 		iState=EWaitForDTRRaiseSettle;
       
   687 		break;
       
   688 
       
   689 	case EWaitForDTRRaiseSettle:
       
   690 		__ASSERT_ALWAYS(aSource==ETimeOutCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));
       
   691 		Write(KHangUpCommand(),1);
       
   692 		iState=EATHangupWaitForWriteComplete;
       
   693 		break;
       
   694 
       
   695 	case EATHangupWaitForWriteComplete:
       
   696 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   697 		if (!iNoCarrierExpectString)
       
   698 			iNoCarrierExpectString=iIo->AddExpectString(this,KNoCarrierString);
       
   699 		StandardWriteCompletionHandler(aSource,2);
       
   700 		iState=EATHangupReadCompleted;
       
   701 		break;
       
   702 	
       
   703 	case EATHangupReadCompleted:
       
   704 		__ASSERT_ALWAYS(aSource!=EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteNotExpected));
       
   705 		Complete(KErrCancel,aSource);	// if ret!=KErrNone, perhaps don't complete but carry on
       
   706 		break;
       
   707 
       
   708 	default:
       
   709 		;
       
   710 		}		
       
   711 	}
       
   712 
       
   713 void CATDialData::StartDialCommand(TEventSource aSource)
       
   714 	{
       
   715 	//
       
   716 	// Start the dial command
       
   717 	ChangeLineStatus(RCall::EStatusDialling);
       
   718 	// Setting to EStatusDialling always returns KErrNone
       
   719 	(void)ChangeCallStatus(RMobileCall::EStatusDialling);
       
   720 	iPhoneGlobals->iNotificationStore->CheckNotification(REINTERPRET_CAST(CCallBase*,iTelObject),EBegunConnecting);
       
   721 	TBuf8<KCommsDbSvrMaxFieldLength> dialModifier;
       
   722 	TInt ret = iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameDialToneWaitModifier),dialModifier);
       
   723 	if (ret)
       
   724 		{
       
   725 		Complete(ret,aSource);
       
   726 		return;
       
   727 		}
       
   728 	TInt len = iTelnum->Length();
       
   729 		
       
   730 	HBufC8* buf = NULL;
       
   731 	TRAP(ret,buf  = HBufC8::NewL(len));
       
   732 	if (ret)
       
   733 		{
       
   734 		Complete(ret,aSource);
       
   735 		return;
       
   736 		}
       
   737 	TPtr8 newTelnum(buf->Des());
       
   738 	newTelnum.Copy(*iTelnum);
       
   739 
       
   740 	TInt aPos=newTelnum.FindF(dialModifier);
       
   741 	if (aPos!=KErrNotFound)
       
   742 		{
       
   743 		newTelnum.Delete(aPos,1);
       
   744 		}
       
   745 	iTxBuffer.Format(KDialDataCommandFormat,&newTelnum);
       
   746 	delete buf;
       
   747 	iIo->Write(this,iTxBuffer);
       
   748 	iIo->SetTimeOut(this);
       
   749 	iState=EATDialWaitForWriteComplete;
       
   750 	}
       
   751 
       
   752 TBool CATDialData::SendBearerCapsCommand(TEventSource /*aSource*/)
       
   753 /*
       
   754  * @return ETrue if +CBST= was sent 
       
   755  * @return EFalse if +CBST= was not sent due to not having enough specified params
       
   756  */ 	
       
   757 	{
       
   758 	LOGTEXT(_L8("CATDataDial::SendBearerCapsCommand"));
       
   759 
       
   760 	//
       
   761 	// Assemble and send (if required) the +CBST=... string to the phone
       
   762 	// to configure the settings for the next data call.
       
   763 	// Use utility function provided by CCallMobileData
       
   764 	CCallMobileData* parent=static_cast<CCallMobileData*>(iTelObject);
       
   765 	if(parent->AssembleCBSTSetString(iTxBuffer)==KErrNone)
       
   766 		{
       
   767 		//
       
   768 		// Send our AT command to the phone
       
   769 		iIo->Write(this,iTxBuffer);
       
   770 		iIo->SetTimeOut(this);	
       
   771 		iState=EATBearerCapsWaitForWriteComplete;
       
   772 		return ETrue;
       
   773 		}
       
   774 
       
   775 	return EFalse;		// We were unable to send a +CBST string 
       
   776 	}
       
   777 
       
   778 
       
   779 
       
   780 //
       
   781 //	CATDialFax
       
   782 //
       
   783 
       
   784 CATDialFax*	 CATDialFax::NewL(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
   785 	{
       
   786 	CATDialFax* dial=new(ELeave) CATDialFax(aIo, aTelObject, aInit,aPhoneGlobals);
       
   787 	CleanupStack::PushL(dial);
       
   788 	dial->ConstructL();
       
   789 	CleanupStack::Pop();
       
   790 	return dial;
       
   791 	}
       
   792 
       
   793 CATDialFax::CATDialFax(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
   794 											: CATFaxCallConnectCommands(aIo,aTelObject,aInit,aPhoneGlobals)
       
   795 	{}
       
   796 
       
   797 CATDialFax::~CATDialFax()
       
   798 	{
       
   799 	iIo->WriteAndTimerCancel(this);	
       
   800 	}
       
   801 
       
   802 void CATDialFax::Start(TTsyReqHandle aTsyReqHandle, TAny* aParams)
       
   803 	{
       
   804 	LOGTEXT(_L8("Starting dial fax call command"));
       
   805 	iTelnum=REINTERPRET_CAST(TDesC*,aParams);
       
   806 	CATFaxCallConnectCommands::Start(aTsyReqHandle,aParams);
       
   807 	}
       
   808 
       
   809 void CATDialFax::Stop(TTsyReqHandle aTsyReqHandle)
       
   810 	{
       
   811 	LOGTEXT(_L8("Cancelling Dial Fax Call Command"));
       
   812 	CATFaxCallConnectCommands::Stop(aTsyReqHandle);
       
   813 	}
       
   814 
       
   815 void CATDialFax::EventSignal(TEventSource aSource)
       
   816 	{
       
   817 	if((aSource==ETimeOutCompletion)
       
   818 		&&(iPreConnectState!=EATWaitForATCheckOK))
       
   819 		{
       
   820 		LOGTEXT(_L8("Timeout Error during Dial"));
       
   821 		Complete(KErrTimedOut,aSource);
       
   822 		return;
       
   823 		}
       
   824 
       
   825 	if (iPreConnectState!=CATCallConnectCommands::EATInitCompleted
       
   826 		&& iPreConnectState!=CATCallConnectCommands::ENotInProgress)
       
   827 		{
       
   828 		CATCallConnectCommands::PreConnectEventSignal(aSource);
       
   829 		}
       
   830 	}
       
   831 
       
   832 void CATDialFax::CompleteSuccessfully()
       
   833 	{
       
   834 	REINTERPRET_CAST(CCallMobileFax*,iTelObject)->FaxDial(iReqHandle,iTelnum);	
       
   835 	}
       
   836