RSend Method to send SMS.
Include:
#include "rsendas.h"
#include "rsendasmessage.h"
Library:
LIBRARY sendas2.lib

Pros: No need to get Much more capability.
Cons: You can't manipulate msg entry in sms Msging entry. Only possible in MTM method.

void CSmsSendHandler::SendSmsInThirdEditionL(const TDesC& aAddr, const TDesC& aMsg)
{

RSendAs sendAs;
User::LeaveIfError(sendAs.Connect());
CleanupClosePushL(sendAs);

RSendAsMessage sendAsMessage;
sendAsMessage.CreateL(sendAs, KUidMsgTypeSMS);
CleanupClosePushL(sendAsMessage);

// prepare the message
sendAsMessage.AddRecipientL(aAddr, RSendAsMessage::ESendAsRecipientTo);
sendAsMessage.SetBodyTextL(aMsg);

// send the message
sendAsMessage.SendMessageAndCloseL();

// sendAsMessage (already closed)
CleanupStack::Pop();

// sendAs
CleanupStack::PopAndDestroy();

}