1 package gov.nist.javax.sip; 2 3 import javax.sip.Dialog; 4 import javax.sip.SipProvider; 5 6 /** 7 * Extensions for Next specification revision. These interfaces will remain unchanged and be 8 * merged with the next revision of the spec. 9 * 10 * 11 * @author mranga 12 * 13 */ 14 public interface DialogExt extends Dialog { 15 16 /** 17 * Returns the SipProvider that was used for the first transaction in this Dialog 18 * 19 * @return SipProvider 20 * 21 * @since 2.0 22 */ 23 public SipProvider getSipProvider(); 24 25 /** 26 * Sets a flag that indicates that this Dialog is part of a BackToBackUserAgent. If this flag 27 * is set, INVITEs are not allowed to interleave and timed out ACK transmission results in a 28 * BYE being sent to the other side. Setting this flag instructs the stack to automatically 29 * handle dialog errors. Once this flag is set for a dialog, it cannot be changed. 30 * This flag can be set on a stack-wide basis, on a per-provider basis or on a per Dialog basis. 31 * This flag must only be set at the time of Dialog creation. If the flag is set after the first 32 * request or response is seen by the Dialog, the behavior of this flag is undefined. 33 * 34 * @since 2.0 35 */ 36 public void setBackToBackUserAgent(); 37 38 39 /** 40 * Turn off sequence number validation for this dialog. This passes all requests to the 41 * application layer including those that arrive out of order. This is good for testing 42 * purposes. Validation is delegated to the application and the stack will not attempt to 43 * block requests arriving out of sequence from reaching the application. In particular, the 44 * validation of CSeq and the ACK retransmission recognition are delegated to the application. 45 * Your application will be responsible for error handling of these cases. 46 * 47 * @since 2.0 48 */ 49 public void disableSequenceNumberValidation(); 50 51 52 53 54 55 } 56
