#ifndef MUSENGOUTSESSIONOBSERVER_H

#define MUSENGOUTSESSIONOBSERVER_H

#include <badesca.h>

// FORWARD DECLARATIONS

class MMusEngAsyncRetryObserver;

class MMusEngOutSessionObserver

        /**    

        * Indicates that preconditions for sending invitation cannot be met.

        */

        virtual void UnableToSendInvitation() = 0;

	    /**    

        * Indicates that no response received to invitation

        */

        virtual void NoResponseReceivedToInvitation() = 0;

   		* Indicates that MT has rejected session. ( e.g. 603 DECLINE ).

		virtual void SessionUnsupportedMediaType() = 0; // 415

		virtual void SessionBusyHere() = 0; // 486

  	    virtual void SessionTemporarilyNotAvailable() = 0; // 480

  	    /**

  	    * Indicates possibility to retry session. Recipient proposal is given

  	    * but implementation can query user for new recipient address.

  	    * Retry address should be filled to aRetryAddress on return.

  	    * @return ETrue if retry should be made

  	    */

  	    virtual TBool RetrySessionSync( const TDesC& aRecipientProposal,

                                        TDes& aRetryAddress ) = 0;

  	    /**

  	    * Indicates that retry with given address is proceeding.

  	    */

  	    virtual void RetryProceeding() = 0;

  	    /**

  	    * Indicates that there's multiple suitable recipient addresses.

  	    * Client can choose what to use.

  	    * @param aAddressArray, list of suitable recipient addresses

  	    * @param aRecipientAddress, on return should contain recipient

  	    *    address to be used

  	    * @return ETrue if recipient was selected, otherwise EFalse

  	    */

  	    virtual TBool SelectRecipientL( CDesCArray& aAddressArray, 

                                        TDes& aRecipientAddress ) = 0;

#endif