Have you tried running the example?
Bye.
--Mayur.

So you want the discovery UI that pop ups ,right.
You want to implement the discovery part silently?
Bye.
--Mayur.

I think this is what you are looking for:
void CbuddyAppView::FindDevicesL()
{
   iInqSockAddrArray = new (ELeave) RArray<TInquirySockAddr>;
   
   CleanupStack::PushL(iInqSockAddrArray);
      //Keep it KGIAC so that all the devices can be detected
      //who are BT enabled
      StartDiscoveryL(iInqSockAddrArray,KGIAC);
   CleanupStack::Pop();
   
   TBuf<100> anote;
   _LIT(message,"%d devices found");
   anote.Format(message,iInqSockAddrArray->Count());
    CAknInformationNote* informationNote;
   informationNote = new (ELeave) CAknInformationNote;
    informationNote->ExecuteLD(anote);
}

//this function is for finding devices with BT ON
void   CbuddyAppView::StartDiscoveryL(RArray<TInquirySockAddr> *aInqSockAddrArray,
                              TUint aInquiryAddr,
                              TInt8 aMajorClass,
                              TInt8 aMinorClass,
                              TInt16 aServiceClass
                              )
{

   #define CAST_ISA(x) (TInquirySockAddr::Cast((x)().iAddr))
   
   RSocketServ   sockServ;
   RHostResolver hostResv;
   TProtocolDesc protInfo;
   TInquirySockAddr sockAddr;
   TRequestStatus ReqStatus;
   TNameEntry NameEntry;
   
   User::LeaveIfError(sockServ.Connect());
   
   CleanupClosePushL<RSocketServ>(sockServ);
   
   User::LeaveIfError(sockServ.FindProtocol(_L("BTLinkManager"),
                                  protInfo
                                 )
                  );
   
   User::LeaveIfError(hostResv.Open(sockServ,
                            protInfo.iAddrFamily,
                            protInfo.iProtocol
                           )
                 );
   
   
   CleanupClosePushL<RHostResolver>(hostResv);
   
   sockAddr.SetIAC(aInquiryAddr);
   
   sockAddr.SetAction(KHostResInquiry);
   
   hostResv.GetByAddress(sockAddr,NameEntry,ReqStatus);
   
   while(User::WaitForRequest(ReqStatus),(ReqStatus == KErrNone || ReqStatus == KRequestPending)){//while starts
      TInquirySockAddr &isa = CAST_ISA(NameEntry);
      //add if filter matches
      if((aMajorClass < 0 || aMajorClass == (TInt8)isa.MajorClassOfDevice()) &&
         (aMinorClass < 0 || aMinorClass == (TInt8)isa.MinorClassOfDevice()) &&
         (aServiceClass < 0 || aServiceClass == (TInt8)isa.MajorServiceClass())
        ){//if starts
           AddToListL(NameEntry,*aInqSockAddrArray);
        }//end of if
      hostResv.Next(NameEntry,ReqStatus);
   }//end of while
   
   CleanupStack::PopAndDestroy(2);
}


//this function is to build a list of disvoered lists
void   CbuddyAppView::AddToListL(TNameEntry& aNameEntry,
                         RArray<TInquirySockAddr>& aInqSockAddrEntry
                        )
{
   TInt i;
   TInquirySockAddr &isa = TInquirySockAddr::Cast(aNameEntry().iAddr);
   for(i=0;i<aInqSockAddrEntry.Count();i++){
      if(aInqSockAddrEntry[i].BTAddr() == isa.BTAddr()){
         return;
      }
   }
   TInquirySockAddr *isa_ptr = new (ELeave)TInquirySockAddr(isa);
   CleanupStack::PushL(isa_ptr);
      User::LeaveIfError(aInqSockAddrEntry.Append(*isa_ptr));
   CleanupStack::Pop();   
}

RArray<TInquirySockAddr> *iInqSockAddrArray;

Sorry missed this out.
Bye.
--Mayur.

This code works for me.
And the default values are suffice.
Bye.
--Mayur.

I should have passed the header file also.
I am so dumb...
Here's the appview header , just take the relevant function declr's


Hope this helps.
Bye.
--Mayur.

I am not very clear about the question?
I think the device address should be enough for connection.
Bye.
--Mayur.

As TInquirySockAddr class is derived from TDesC class and so you have
the Match fucntion at your disposal and so comparision must be easy.
Hope this helps.
--Mayur.