--- apps/app_fax.c	(revision 177785)
+++ apps/app_fax.c	(working copy)
@@ -447,6 +447,18 @@
 				res = 1;
 				break;
 			}
+			if (t38control == AST_T38_REQUEST_NEGOTIATE) {
+			    ast_debug(1, "T38 request negotiate detected. Confirm it\n");			    
+			    t38control = AST_T38_NEGOTIATED;
+			    ast_indicate_data(s->chan, AST_CONTROL_T38, &t38control, sizeof(t38control));
+			    if (detect_tone)
+			    {
+				/* T38 switchover completed from remote*/
+				ast_debug(1, "T38 negotiated from remote, finishing audio loop\n");
+				res =1;
+				break;
+			    }
+			}
 		}
 
 		ast_frfree(inf);