package gov.nist.javax.sip; import javax.sip.Dialog; import javax.sip.SipProvider; /** * Extensions for Next specification revision. These interfaces will remain unchanged and be * merged with the next revision of the spec. * * * @author mranga * */ public interface DialogExt extends Dialog { /** * Returns the SipProvider that was used for the first transaction in this Dialog * * @return SipProvider * * @since 2.0 */ public SipProvider getSipProvider(); /** * Sets a flag that indicates that this Dialog is part of a BackToBackUserAgent. If this flag * is set, INVITEs are not allowed to interleave and timed out ACK transmission results in a * BYE being sent to the other side. Setting this flag instructs the stack to automatically * handle dialog errors. Once this flag is set for a dialog, it cannot be changed. * This flag can be set on a stack-wide basis, on a per-provider basis or on a per Dialog basis. * This flag must only be set at the time of Dialog creation. If the flag is set after the first * request or response is seen by the Dialog, the behavior of this flag is undefined. * * @since 2.0 */ public void setBackToBackUserAgent(); /** * Turn off sequence number validation for this dialog. This passes all requests to the * application layer including those that arrive out of order. This is good for testing * purposes. Validation is delegated to the application and the stack will not attempt to * block requests arriving out of sequence from reaching the application. In particular, the * validation of CSeq and the ACK retransmission recognition are delegated to the application. * Your application will be responsible for error handling of these cases. * * @since 2.0 */ public void disableSequenceNumberValidation(); }