Index: main/rtp.c
===================================================================
--- main/rtp.c	(revision 104215)
+++ main/rtp.c	(working copy)
@@ -3385,6 +3385,8 @@
 					oldcodec1 = codec1 = pr1->get_codec(c1);
 				ast_indicate_data(other, fr->subclass, fr->data, fr->datalen);
 				ast_frfree(fr);
+			} else if (fr->subclass == AST_CONTROL_T38) {
+				ast_frfree(fr);
 			} else {
 				*fo = fr;
 				*rc = who;