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Hang up voice calls

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Created: symbianyucca (06 Oct 2008)
Last edited: hamishwillee (23 Jul 2012)
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Hanging up Phone calls

There are several ways on hanging up the phone calls, here’s a list on what is available for S60 in public space:

1. CTelephony 2. AT commands 3. CPhCltCommandHandler

Call can only be hang up in certain call states, thus you should also have a look into call state monitoring example

Hanging up with CTelephony

With CTelephony you can only hang up calls that you own and which are connected. Thus hanging up with CTelephony is only usable if you either: Dialed the call with DialNewCall() or answrered the call with AnswerIncomingCall() functions.

With both of these functions you get CTelephony::TCallId parameter, which you need to pass to the CTelephony’s Hangup() function. The actual code is this simple:

 iTelephony->Hangup(iStatus, iCallId);

The full code is also shown in How to terminate call

Hanging up with At Commands

AT commands sending example can be found from File:Send AT

With the example you just send AT+CHUP while having call in dialing,ringing or connected state.

Hanging up with CPhCltCommandHandler

First you need to construct a instance of CPhCltCommandHandler, this can be done with following code:

 _LIT( KPhCltExtLib, "PhoneClientExt.dll" );
User::LeaveIfError( iLibrary.Load( KPhCltExtLib ) ); // Load PhoneClientExt dll
TInt res = 0; TInt err=0;
TRAP(err,res = iLibrary.Lookup( 1 )());
if (err == KErrNone)
iFactory = reinterpret_cast< CPhCltExtFactory * >( res );
if ( iFactory )
iHandler = iFactory->CPhCltCommandHandlerLD();

After using the instance, you can close and delete it as follows:

delete iHandler;
iHandler = NULL;

The actual hanging up is handled with following active object function call:


Note:CPhCltCommandHandler will not work from 3rd ed FP2 onwards

This page was last modified on 23 July 2012, at 07:59.
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