diff --git a/daemon/codec.c b/daemon/codec.c
index ef6a2a1a8..1f0bbb3ca 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -2580,7 +2580,7 @@ static void __dtx_send_later(struct timerthread_queue *ttq, void *p) {
 			// synthetic packet
 			mp_copy.rtp->seq_num += htons(1);
 
-			ret = decoder_lost_packet(ch->decoder, ts,
+			ret = decoder_dtx(ch->decoder, ts,
 					ch->handler->packet_decoded, ch, &mp_copy);
 			if (ret)
 				ilogs(dtx, LOG_WARN | LOG_FLAG_LIMIT,
@@ -2642,7 +2642,7 @@ static void __dtx_free(void *p) {
 	mutex_destroy(&dtxb->lock);
 }
 static void __dtx_setup(struct codec_ssrc_handler *ch) {
-	if (!ch->handler->source_pt.codec_def->packet_lost || ch->dtx_buffer)
+	if (!ch->handler->source_pt.codec_def->dtx || ch->dtx_buffer)
 		return;
 
 	if (!rtpe_config.dtx_delay)
diff --git a/lib/codeclib.c b/lib/codeclib.c
index 8ece7bc21..f5aded111 100644
--- a/lib/codeclib.c
+++ b/lib/codeclib.c
@@ -61,7 +61,7 @@ static int cn_decoder_input(decoder_t *dec, const str *data, GQueue *out);
 
 static int format_cmp_ignore(const struct rtp_payload_type *, const struct rtp_payload_type *);
 
-static int amr_packet_lost(decoder_t *, GQueue *);
+static int amr_dtx(decoder_t *, GQueue *);
 
 
 
@@ -374,7 +374,7 @@ static codec_def_t __codec_defs[] = {
 		.codec_type = &codec_type_amr,
 		.set_enc_options = amr_set_enc_options,
 		.set_dec_options = amr_set_dec_options,
-		.packet_lost = amr_packet_lost,
+		.dtx = amr_dtx,
 	},
 	{
 		.rtpname = "AMR-WB",
@@ -392,7 +392,7 @@ static codec_def_t __codec_defs[] = {
 		.codec_type = &codec_type_amr,
 		.set_enc_options = amr_set_enc_options,
 		.set_dec_options = amr_set_dec_options,
-		.packet_lost = amr_packet_lost,
+		.dtx = amr_dtx,
 	},
 	{
 		.rtpname = "telephone-event",
@@ -690,7 +690,7 @@ static int __decoder_input_data(decoder_t *dec, const str *data, unsigned long t
 	if (G_UNLIKELY(!dec))
 		return -1;
 
-	if (!data && !dec->def->packet_lost)
+	if (!data && !dec->def->dtx)
 		return 0;
 
 	ts *= dec->def->clockrate_mult;
@@ -719,7 +719,7 @@ static int __decoder_input_data(decoder_t *dec, const str *data, unsigned long t
 	if (data)
 		dec->def->codec_type->decoder_input(dec, data, &frames);
 	else
-		dec->def->packet_lost(dec, &frames);
+		dec->def->dtx(dec, &frames);
 
 	AVFrame *frame;
 	int ret = 0;
@@ -745,7 +745,7 @@ int decoder_input_data(decoder_t *dec, const str *data, unsigned long ts,
 		return 0;
 	return __decoder_input_data(dec, data, ts, callback, u1, u2);
 }
-int decoder_lost_packet(decoder_t *dec, unsigned long ts,
+int decoder_dtx(decoder_t *dec, unsigned long ts,
 		int (*callback)(decoder_t *, AVFrame *, void *u1, void *u2), void *u1, void *u2)
 {
 	return __decoder_input_data(dec, NULL, ts, callback, u1, u2);
@@ -2113,7 +2113,7 @@ static int packetizer_amr(AVPacket *pkt, GString *buf, str *output, encoder_t *e
 
 	return 0;
 }
-static int amr_packet_lost(decoder_t *dec, GQueue *out) {
+static int amr_dtx(decoder_t *dec, GQueue *out) {
 	ilog(LOG_DEBUG, "pushing empty/lost frame to AMR decoder");
 	unsigned char frame_buf[1];
 	frame_buf[0] = 0xf << 3; // no data
diff --git a/lib/codeclib.h b/lib/codeclib.h
index 3d081467b..e85cae2af 100644
--- a/lib/codeclib.h
+++ b/lib/codeclib.h
@@ -72,7 +72,7 @@ typedef void format_init_f(struct rtp_payload_type *);
 typedef void set_enc_options_f(encoder_t *, const str *, const str *);
 typedef void set_dec_options_f(decoder_t *, const str *, const str *);
 typedef int format_cmp_f(const struct rtp_payload_type *, const struct rtp_payload_type *);
-typedef int packet_lost_f(decoder_t *, GQueue *);
+typedef int decoder_dtx_f(decoder_t *, GQueue *);
 
 
 
@@ -137,7 +137,7 @@ struct codec_def_s {
 	format_init_f *init;
 	set_enc_options_f *set_enc_options;
 	set_dec_options_f *set_dec_options;
-	packet_lost_f *packet_lost;
+	decoder_dtx_f *dtx;
 
 	// filled in by codeclib_init()
 	str rtpname_str;
@@ -280,7 +280,7 @@ decoder_t *decoder_new_fmtp(const codec_def_t *def, int clockrate, int channels,
 void decoder_close(decoder_t *dec);
 int decoder_input_data(decoder_t *dec, const str *data, unsigned long ts,
 		int (*callback)(decoder_t *, AVFrame *, void *u1, void *u2), void *u1, void *u2);
-int decoder_lost_packet(decoder_t *dec, unsigned long ts,
+int decoder_dtx(decoder_t *dec, unsigned long ts,
 		int (*callback)(decoder_t *, AVFrame *, void *u1, void *u2), void *u1, void *u2);