diff --git a/include/re_sdp.h b/include/re_sdp.h
index 004dc2a..8340cb4 100644
--- a/include/re_sdp.h
+++ b/include/re_sdp.h
@@ -89,6 +89,7 @@ int  sdp_media_add(struct sdp_media **mp, struct sdp_session *sess,
 		   const char *name, uint16_t port, const char *proto);
 void sdp_media_set_encode_handler(struct sdp_media *m, sdp_media_enc_h *ench,
 				  void *arg);
+void sdp_media_set_fmt_ignore(struct sdp_media *m, bool fmt_ignore);
 void sdp_media_set_disabled(struct sdp_media *m, bool disabled);
 void sdp_media_set_lport(struct sdp_media *m, uint16_t port);
 void sdp_media_set_laddr(struct sdp_media *m, const struct sa *laddr);
diff --git a/src/sdp/media.c b/src/sdp/media.c
index 4203ed3..142d733 100644
--- a/src/sdp/media.c
+++ b/src/sdp/media.c
@@ -26,6 +26,7 @@ static void destructor(void *arg)
 
 	if (m->le.list) {
 		m->disabled = true;
+		m->ench     = NULL;
 		mem_ref(m);
 		return;
 	}
@@ -216,7 +217,7 @@ void sdp_media_align_formats(struct sdp_media *m, bool offer)
 	struct sdp_format *rfmt, *lfmt;
 	struct le *rle, *lle;
 
-	if (!m || m->disabled || !sa_port(&m->raddr))
+	if (!m || m->disabled || !sa_port(&m->raddr) || m->fmt_ignore)
 		return;
 
 	for (lle=m->lfmtl.head; lle; lle=lle->next) {
@@ -307,6 +308,21 @@ void sdp_media_set_encode_handler(struct sdp_media *m, sdp_media_enc_h *ench,
 }
 
 
+/**
+ * Set an SDP Media line to ignore formats
+ *
+ * @param m          SDP Media line
+ * @param fmt_ignore True for ignore formats, otherwise false
+ */
+void sdp_media_set_fmt_ignore(struct sdp_media *m, bool fmt_ignore)
+{
+	if (!m)
+		return;
+
+	m->fmt_ignore = fmt_ignore;
+}
+
+
 /**
  * Set an SDP Media line to enabled/disabled
  *
diff --git a/src/sdp/sdp.h b/src/sdp/sdp.h
index abd7a7d..cd11cc5 100644
--- a/src/sdp/sdp.h
+++ b/src/sdp/sdp.h
@@ -43,6 +43,7 @@ struct sdp_media {
 	void *arg;
 	enum sdp_dir ldir;
 	enum sdp_dir rdir;
+	bool fmt_ignore;
 	bool disabled;
 	int dynpt;
 };