Archived:Retrieving incoming and outgoing call numbers using Symbian C++

Comments

This article had explained about the retrieving incomingcall and outgoing call numbers here these are achevids by Telephony API this demonstrates that demonstrates how to retrieve telephone numbers for incoming and outgoing calls using the 3rd party telephony API (CTelephony). this article is good for the beginners who are intrested to do telephony application --Narendrachinni 08:08, 8 September 2009 (UTC)

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Article Metadata

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Compatibility

Platform(s): S60 3rd Edition

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Article

Created: User:Technical writer 2 (13 Jun 2007)

Last edited: hamishwillee (14 Jun 2012)

Overview

Retrieving incoming and outgoing call numbers

Description

The following code example demonstrates how to retrieve telephone numbers for incoming and outgoing calls using the 3rd party telephony API (CTelephony).
The below code is meant to be implemented in an active object, that is, a class derived from CActive.

Solution

 // Class members
    CTelephony*                   iTelephony;
    CTelephony::TCallStatusV1 iLineStatus;
    CTelephony::TCallStatus iLastInformedLineStatus;

Construction & initialization:

    iTelephony = CTelephony::NewL();   
    // Initialize with ’unknown’ statuses
    iLineStatus.iStatus = CTelephony::EStatusUnknown;
    iLastInformedLineStatus = CTelephony::EStatusUnknown;
    CTelephony::TCallStatusV1Pckg lineStatusPckg( iLineStatus );
    // Request notification about the changes in voice line status
    iTelephony->NotifyChange( iStatus, CTelephony::EVoiceLineStatusChange, lineStatusPckg );
    SetActive();

Implementation of CActive::RunL()

    // Within CActive::RunL():
    if( iLineStatus.iStatus == CTelephony::EStatusDialling )
        {
        GetNumber();
        }
    if(iLineStatus.iStatus == CTelephony::EStatusRinging)
        {
        if(iLastInformedLineStatus != CTelephony::EStatusDialling)
            {
            GetNumber();
            }
        }   
    iLastInformedLineStatus = iLineStatus.iStatus;

Implementation of CActive::DoCancel():

    iTelephony->CancelAsync( CTelephony::EVoiceLineStatusChangeCancel );

Implementation of GetNumber():

    CTelephony::TCallInfoV1 callInfoV1;
    CTelephony::TCallInfoV1Pckg callInfoV1Pckg( callInfoV1 );
    CTelephony::TCallSelectionV1 callSelectionV1;
    CTelephony::TCallSelectionV1Pckg callSelectionV1Pckg( callSelectionV1 );
    CTelephony::TRemotePartyInfoV1 remotePartyInfoV1;
    CTelephony::TRemotePartyInfoV1Pckg remotePartyInfoV1Pckg( remotePartyInfoV1 );
    callSelectionV1.iLine = CTelephony::EVoiceLine;
    callSelectionV1.iSelect = CTelephony::EInProgressCall;
    iTelephony->GetCallInfo( callSelectionV1Pckg, callInfoV1Pckg, remotePartyInfoV1Pckg );
    if( remotePartyInfoV1.iRemoteIdStatus == CTelephony::ERemoteIdentityAvailable )
        {
        if( remotePartyInfoV1.iRemoteNumber.iTelNumber.Length() > 0 )
            {
            // Incoming call number can be read from
            // remotePartyInfoV1.iRemoteNumber.iTelNumber;
            }
        }
    if( callInfoV1.iDialledParty.iTelNumber.Length() > 0 )
        {
        // Outgoing call number can be read from
        // callInfoV1.iDialledParty.iTelNumber;
        }