diff --git a/daemon/.ycm_extra_conf.py b/daemon/.ycm_extra_conf.py
index ca641f1a7..92f5a5a15 100644
--- a/daemon/.ycm_extra_conf.py
+++ b/daemon/.ycm_extra_conf.py
@@ -29,6 +29,7 @@ flags = [
     '-DRE_PLUGIN_DIR="/usr/lib/rtpengine"',
     '-DWITH_IPTABLES_OPTION',
     '-DWITH_TRANSCODING',
+    '-DHAVE_BCG729',
     '-O2',
     '-fstack-protector',
     '--param=ssp-buffer-size=4',
diff --git a/daemon/Makefile b/daemon/Makefile
index 63e65a885..a8f2a6ed6 100644
--- a/daemon/Makefile
+++ b/daemon/Makefile
@@ -3,6 +3,35 @@ TARGET=		rtpengine
 with_iptables_option ?= yes
 with_transcoding ?= yes
 
+# look for bcg729
+# /usr/src
+ifneq (,$(wildcard /usr/src/bcg729/include/bcg729/decoder.h))
+have_bcg729 := yes
+bcg729_inc := /usr/src/bcg729/include/
+bcg729_lib := /usr/src/bcg729/src/
+else
+# rfuchs dev
+ifneq (,$(wildcard $(HOME)/src/bcg729/include/bcg729/decoder.h))
+have_bcg729 := yes
+bcg729_inc := $(HOME)/src/bcg729/include/
+bcg729_lib := $(HOME)/src/bcg729/src/
+else
+# home directory
+ifneq (,$(wildcard $(HOME)/bcg729/include/bcg729/decoder.h))
+have_bcg729 := yes
+bcg729_inc := $(HOME)/bcg729/include/
+bcg729_lib := $(HOME)/bcg729/src/
+else
+# included toplevel
+ifneq (,$(wildcard ../bcg729/include/bcg729/decoder.h))
+have_bcg729 := yes
+bcg729_inc := ../bcg729/include/
+bcg729_lib := ../bcg729/src/
+endif
+endif
+endif
+endif
+
 CFLAGS=		-g -Wall -pthread -fno-strict-aliasing
 CFLAGS+=	-std=c99
 CFLAGS+=	`pkg-config --cflags glib-2.0`
@@ -31,6 +60,9 @@ CFLAGS+=	-DWITH_TRANSCODING
 else
 CFLAGS+=	-DWITHOUT_CODECLIB
 endif
+ifeq ($(have_bcg729),yes)
+CFLAGS+=	-DHAVE_BCG729 -I$(bcg729_inc)
+endif
 
 CFLAGS+=	-DRE_PLUGIN_DIR="\"/usr/lib/rtpengine\""
 
@@ -64,6 +96,9 @@ LDFLAGS+=	`pkg-config --libs libavutil`
 LDFLAGS+=	`pkg-config --libs libavresample`
 LDFLAGS+=	`pkg-config --libs libavfilter`
 endif
+ifeq ($(have_bcg729),yes)
+LDFLAGS+=	-L$(bcg729_lib) -lbcg729
+endif
 
 include ../lib/lib.Makefile
 
diff --git a/daemon/codec.c b/daemon/codec.c
index b609fbb16..3dbad938d 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -140,7 +140,7 @@ static void __ensure_codec_def(struct rtp_payload_type *pt, struct call_media *m
 	pt->codec_def = codec_find(&pt->encoding, media->type_id);
 	if (!pt->codec_def)
 		return;
-	if (pt->codec_def->avcodec_id != -1 && (!pt->codec_def->encoder || !pt->codec_def->decoder))
+	if (!pt->codec_def->pseudocodec && (!pt->codec_def->support_encoding || !pt->codec_def->support_decoding))
 		pt->codec_def = NULL;
 }
 static GList *__delete_receiver_codec(struct call_media *receiver, GList *link) {
@@ -176,7 +176,7 @@ void codec_handlers_update(struct call_media *receiver, struct call_media *sink)
 	for (GList *l = sink->codecs_prefs_send.head; l; l = l->next) {
 		struct rtp_payload_type *pt = l->data;
 		__ensure_codec_def(pt, sink);
-		if (!pt->codec_def || pt->codec_def->avcodec_id == -1) // not supported, next
+		if (!pt->codec_def || pt->codec_def->pseudocodec) // not supported, next
 			continue;
 
 		// fix up ptime
@@ -219,7 +219,7 @@ void codec_handlers_update(struct call_media *receiver, struct call_media *sink)
 				continue;
 			}
 
-			if (pt->codec_def->avcodec_id != -1) {
+			if (!pt->codec_def->pseudocodec) {
 				ilog(LOG_DEBUG, "Accepting offered codec " STR_FORMAT " due to transcoding",
 						STR_FMT(&pt->encoding_with_params));
 				MEDIA_SET(receiver, TRANSCODE);
@@ -272,7 +272,7 @@ void codec_handlers_update(struct call_media *receiver, struct call_media *sink)
 		// check our own support for this codec
 		__ensure_codec_def(pt, receiver);
 
-		if (!pt->codec_def || pt->codec_def->avcodec_id == -1) {
+		if (!pt->codec_def || pt->codec_def->pseudocodec) {
 			// not supported, or not a real audio codec
 			__make_passthrough(handler);
 			passthrough_handlers = g_slist_prepend(passthrough_handlers, handler);
@@ -750,9 +750,9 @@ static struct rtp_payload_type *codec_make_payload_type(const str *codec_str, st
 	if (media->type_id && dec->media_type != media->type_id)
 		return (void *) 0x1;
 	// we must support both encoding and decoding
-	if (!dec->encoder)
+	if (!dec->support_decoding)
 		return NULL;
-	if (!dec->decoder)
+	if (!dec->support_encoding)
 		return NULL;
 
 	if (dec->rfc_payload_type >= 0) {
diff --git a/lib/.ycm_extra_conf.py b/lib/.ycm_extra_conf.py
index 2336c492f..6e2d633f5 100644
--- a/lib/.ycm_extra_conf.py
+++ b/lib/.ycm_extra_conf.py
@@ -23,9 +23,11 @@ flags = [
     '-D__DEBUG=1',
     '-D__YCM=1',
     '-I../daemon',
+    '-I/home/dfx/src/bcg729/include',
     '-DRTPENGINE_VERSION="dummy"',
     '-DRE_PLUGIN_DIR="/usr/lib/rtpengine"',
     '-DWITH_IPTABLES_OPTION',
+    '-DHAVE_BCG729',
     '-O2',
     '-fstack-protector',
     '--param=ssp-buffer-size=4',
diff --git a/lib/codeclib.c b/lib/codeclib.c
index a0b866b11..4e7095a42 100644
--- a/lib/codeclib.c
+++ b/lib/codeclib.c
@@ -4,6 +4,10 @@
 #include <libavfilter/avfilter.h>
 #include <libavutil/opt.h>
 #include <glib.h>
+#ifdef HAVE_BCG729
+#include <bcg729/encoder.h>
+#include <bcg729/decoder.h>
+#endif
 #include "str.h"
 #include "log.h"
 #include "loglib.h"
@@ -34,7 +38,7 @@ static packetizer_f packetizer_samplestream; // flat stream of samples
 static format_init_f opus_init;
 static set_options_f opus_set_options;
 
-static void avc_def_init(codec_def_t *, int);
+static void avc_def_init(codec_def_t *);
 static const char *avc_decoder_init(decoder_t *);
 static int avc_decoder_input(decoder_t *dec, const str *data, GQueue *out);
 static void avc_decoder_close(decoder_t *);
@@ -55,6 +59,26 @@ static const codec_type_t codec_type_avcodec = {
 	.encoder_close = avc_encoder_close,
 };
 
+#ifdef HAVE_BCG729
+static void bcg729_def_init(codec_def_t *);
+static const char *bcg729_decoder_init(decoder_t *);
+static int bcg729_decoder_input(decoder_t *dec, const str *data, GQueue *out);
+static void bcg729_decoder_close(decoder_t *);
+static const char *bcg729_encoder_init(encoder_t *enc);
+static int bcg729_encoder_input(encoder_t *enc, AVFrame **frame);
+static void bcg729_encoder_close(encoder_t *enc);
+
+static const codec_type_t codec_type_bcg729 = {
+	.def_init = bcg729_def_init,
+	.decoder_init = bcg729_decoder_init,
+	.decoder_input = bcg729_decoder_input,
+	.decoder_close = bcg729_decoder_close,
+	.encoder_init = bcg729_encoder_init,
+	.encoder_input = bcg729_encoder_input,
+	.encoder_close = bcg729_encoder_close,
+};
+#endif
+
 
 
 static codec_def_t __codec_defs[] = {
@@ -115,17 +139,31 @@ static codec_def_t __codec_defs[] = {
 		.media_type = MT_AUDIO,
 		.codec_type = &codec_type_avcodec,
 	},
+#ifndef HAVE_BCG729
 	{
 		.rtpname = "G729",
 		.avcodec_id = AV_CODEC_ID_G729,
 		.clockrate_mult = 1,
 		.default_clockrate = 8000,
 		.default_channels = 1,
-		.default_ptime = 20,
+		.default_ptime = 10,
 		.packetizer = packetizer_passthrough,
 		.media_type = MT_AUDIO,
 		.codec_type = &codec_type_avcodec,
 	},
+#else
+	{
+		.rtpname = "G729",
+		.avcodec_id = -1,
+		.clockrate_mult = 1,
+		.default_clockrate = 8000,
+		.default_channels = 1,
+		.default_ptime = 10,
+		.packetizer = packetizer_passthrough,
+		.media_type = MT_AUDIO,
+		.codec_type = &codec_type_bcg729,
+	},
+#endif
 	{
 		.rtpname = "speex",
 		.avcodec_id = AV_CODEC_ID_SPEEX,
@@ -276,6 +314,7 @@ static codec_def_t __codec_defs[] = {
 		.avcodec_name = NULL,
 		.packetizer = packetizer_passthrough,
 		.media_type = MT_AUDIO,
+		.pseudocodec = 1,
 	},
 	// for file writing
 	{
@@ -600,7 +639,7 @@ static void avlog_ilog(void *ptr, int loglevel, const char *fmt, va_list ap) {
 }
 
 
-static void avc_def_init(codec_def_t *def, int print) {
+static void avc_def_init(codec_def_t *def) {
 	// look up AVCodec structs
 	if (def->avcodec_name) {
 		def->encoder = avcodec_find_encoder_by_name(def->avcodec_name);
@@ -614,28 +653,10 @@ static void avc_def_init(codec_def_t *def, int print) {
 	}
 	// check if we have support if we are supposed to
 	if (def->avcodec_name || def->avcodec_id >= 0) {
-		if (print) {
-			if (def->encoder && def->decoder)
-				printf("%20s: fully supported\n", def->rtpname);
-			else if (def->decoder)
-				printf("%20s: supported for decoding only\n", def->rtpname);
-			else if (def->encoder)
-				printf("%20s: supported for encoding only\n", def->rtpname);
-			else
-				printf("%20s: not supported\n", def->rtpname);
-		}
-		else {
-			if (!def->encoder && !def->decoder)
-				ilog(LOG_DEBUG, "Codec %s is not supported by codec library",
-						def->rtpname);
-			else if (!def->encoder) {
-				ilog(LOG_DEBUG, "Codec %s is only supported for decoding "
-						"by codec library", def->rtpname);
-			}
-			else if (!def->decoder)
-				ilog(LOG_DEBUG, "Codec %s is only supported for encoding "
-						"by codec library", def->rtpname);
-		}
+		if (def->encoder)
+			def->support_encoding = 1;
+		if (def->decoder)
+			def->support_decoding = 1;
 	}
 }
 
@@ -673,7 +694,33 @@ void codeclib_init(int print) {
 			def->rfc_payload_type = -1;
 
 		if (def->codec_type && def->codec_type->def_init)
-			def->codec_type->def_init(def, print);
+			def->codec_type->def_init(def);
+
+		if (def->pseudocodec)
+			continue;
+
+		if (print) {
+			if (def->support_encoding && def->support_decoding)
+				printf("%20s: fully supported\n", def->rtpname);
+			else if (def->support_decoding)
+				printf("%20s: supported for decoding only\n", def->rtpname);
+			else if (def->support_encoding)
+				printf("%20s: supported for encoding only\n", def->rtpname);
+			else
+				printf("%20s: not supported\n", def->rtpname);
+		}
+		else {
+			if (!def->support_encoding && !def->support_decoding)
+				ilog(LOG_DEBUG, "Codec %s is not supported by codec library",
+						def->rtpname);
+			else if (!def->support_encoding) {
+				ilog(LOG_DEBUG, "Codec %s is only supported for decoding "
+						"by codec library", def->rtpname);
+			}
+			else if (!def->support_decoding)
+				ilog(LOG_DEBUG, "Codec %s is only supported for encoding "
+						"by codec library", def->rtpname);
+		}
 	}
 }
 
@@ -856,6 +903,7 @@ static const char *avc_encoder_init(encoder_t *enc) {
 	enc->u.avc.avcctx->sample_fmt = enc->actual_format.format;
 	enc->u.avc.avcctx->time_base = (AVRational){1,enc->actual_format.clockrate};
 	enc->u.avc.avcctx->bit_rate = enc->bitrate;
+
 	enc->samples_per_frame = enc->actual_format.clockrate * enc->ptime / 1000;
 	if (enc->u.avc.avcctx->frame_size)
 		enc->samples_per_frame = enc->u.avc.avcctx->frame_size;
@@ -1026,10 +1074,10 @@ int encoder_input_data(encoder_t *enc, AVFrame *frame,
 		if (ret < 0)
 			return -1;
 
-		//av_write_frame(output->fmtctx, &output->avpkt);
-		callback(enc, u1, u2);
-
 		if (enc->avpkt.size) {
+			//av_write_frame(output->fmtctx, &output->avpkt);
+			callback(enc, u1, u2);
+
 			//output->fifo_pts += output->frame->nb_samples;
 			enc->mux_dts = enc->avpkt.dts + 1; // min next expected dts
 
@@ -1168,3 +1216,94 @@ static void opus_set_options(encoder_t *enc) {
 			ilog(LOG_WARN, "Failed to set Opus frame_duration option (error code %i)", ret);
 	// XXX additional opus options
 }
+
+
+
+#ifdef HAVE_BCG729
+static void bcg729_def_init(codec_def_t *def) {
+	// test init
+	bcg729EncoderChannelContextStruct *e = initBcg729EncoderChannel(0);
+	bcg729DecoderChannelContextStruct *d = initBcg729DecoderChannel();
+	if (e) {
+		def->support_encoding = 1;
+		closeBcg729EncoderChannel(e);
+	}
+	if (d) {
+		def->support_decoding = 1;
+		closeBcg729DecoderChannel(d);
+	}
+}
+
+static const char *bcg729_decoder_init(decoder_t *dec) {
+	dec->u.bcg729 = initBcg729DecoderChannel();
+	if (!dec->u.bcg729)
+		return "failed to initialize bcg729";
+	return NULL;
+}
+
+static int bcg729_decoder_input(decoder_t *dec, const str *data, GQueue *out) {
+	AVFrame *frame = av_frame_alloc();
+	frame->nb_samples = 80;
+	frame->format = AV_SAMPLE_FMT_S16;
+	frame->sample_rate = dec->in_format.clockrate; // 8000
+	frame->channel_layout = av_get_default_channel_layout(dec->in_format.channels); // 1 channel
+	if (av_frame_get_buffer(frame, 0) < 0)
+		abort();
+
+	// XXX handle lost packets and comfort noise
+	bcg729Decoder(dec->u.bcg729, (void *) data->s, data->len, 0, 0, 0, (void *) frame->extended_data[0]);
+
+	g_queue_push_tail(out, frame);
+
+	return 0;
+}
+
+static void bcg729_decoder_close(decoder_t *dec) {
+	if (dec->u.bcg729)
+		closeBcg729DecoderChannel(dec->u.bcg729);
+	dec->u.bcg729 = NULL;
+}
+
+static const char *bcg729_encoder_init(encoder_t *enc) {
+	enc->u.bcg729 = initBcg729EncoderChannel(0); // no VAD
+	if (!enc->u.bcg729)
+		return "failed to initialize bcg729";
+
+	enc->actual_format.format = AV_SAMPLE_FMT_S16;
+	enc->actual_format.channels = 1;
+	enc->actual_format.clockrate = 8000;
+	enc->samples_per_frame = 80;
+
+	return NULL;
+}
+
+static int bcg729_encoder_input(encoder_t *enc, AVFrame **frame) {
+	if (!*frame)
+		return 0;
+
+	if ((*frame)->nb_samples != 80) {
+		ilog(LOG_ERR, "bcg729: input %u samples instead of 80", (*frame)->nb_samples);
+		return -1;
+	}
+
+	av_new_packet(&enc->avpkt, 10);
+	unsigned char len = 0;
+
+	bcg729Encoder(enc->u.bcg729, (void *) (*frame)->extended_data[0], enc->avpkt.data, &len);
+	if (!len) {
+		av_packet_unref(&enc->avpkt);
+		return 0;
+	}
+
+	enc->avpkt.size = len;
+	enc->avpkt.pts = (*frame)->pts;
+
+	return 0;
+}
+
+static void bcg729_encoder_close(encoder_t *enc) {
+	if (enc->u.bcg729)
+		closeBcg729EncoderChannel(enc->u.bcg729);
+	enc->u.bcg729 = NULL;
+}
+#endif
diff --git a/lib/codeclib.h b/lib/codeclib.h
index 4b1b8fa4b..299b9f6be 100644
--- a/lib/codeclib.h
+++ b/lib/codeclib.h
@@ -13,6 +13,10 @@ typedef struct codec_def_s codec_def_t;
 #include <libavresample/avresample.h>
 #include <libavcodec/avcodec.h>
 #include <libavutil/audio_fifo.h>
+#ifdef HAVE_BCG729
+#include <bcg729/encoder.h>
+#include <bcg729/decoder.h>
+#endif
 #include "str.h"
 
 
@@ -49,7 +53,7 @@ enum media_type {
 };
 
 struct codec_type_s {
-	void (*def_init)(codec_def_t *, int print);
+	void (*def_init)(codec_def_t *);
 
 	const char *(*decoder_init)(decoder_t *);
 	int (*decoder_input)(decoder_t *, const str *data, GQueue *);
@@ -80,6 +84,9 @@ struct codec_def_s {
 	// filled in by codeclib_init()
 	str rtpname_str;
 	int rfc_payload_type;
+	int support_encoding,
+	    support_decoding,
+	    pseudocodec;
 
 	const codec_type_t *codec_type;
 
@@ -112,6 +119,9 @@ struct decoder_s {
 			AVCodecContext *avcctx;
 			AVPacket avpkt;
 		} avc;
+#ifdef HAVE_BCG729
+		bcg729DecoderChannelContextStruct *bcg729;
+#endif
 	} u;
 
 	unsigned long rtp_ts;
@@ -131,6 +141,9 @@ struct encoder_s {
 			AVCodec *codec;
 			AVCodecContext *avcctx;
 		} avc;
+#ifdef HAVE_BCG729
+		bcg729EncoderChannelContextStruct *bcg729;
+#endif
 	} u;
 	AVPacket avpkt;
 	AVAudioFifo *fifo;
diff --git a/perl/NGCP/Rtpclient/SDP.pm b/perl/NGCP/Rtpclient/SDP.pm
index fa50e8384..6570af5a1 100644
--- a/perl/NGCP/Rtpclient/SDP.pm
+++ b/perl/NGCP/Rtpclient/SDP.pm
@@ -126,6 +126,7 @@ use IO::Socket;
 my %codec_map = (
 	PCMA => { payload_type => 8 },
 	PCMU => { payload_type => 0 },
+	G729 => { payload_type => 18 },
 );
 my %payload_type_map = map {$codec_map{$_}{payload_type} => $_} keys(%codec_map);
 
diff --git a/perl/NGCP/Rtpengine/Test.pm b/perl/NGCP/Rtpengine/Test.pm
index a439ed219..1552eb257 100644
--- a/perl/NGCP/Rtpengine/Test.pm
+++ b/perl/NGCP/Rtpengine/Test.pm
@@ -367,10 +367,13 @@ sub _input {
 	defined($component) or return; # not one of ours
 
 	# must be RTP or RTCP input
-	my $exp = shift(@{$self->{media_receive_queues}->[$component]}) or die;
 	if (!$self->{args}->{no_data_check}) {
+		my $exp = shift(@{$self->{media_receive_queues}->[$component]}) or die;
 		$$input eq $exp or die;
 	}
+	else {
+		@{$self->{media_receive_queues}->[$component]} = ();
+	}
 	$self->{media_packets_received}->[$component]++;
 
 	$self->{client_components}->[$component] and
diff --git a/t/test-transcode.pl b/t/test-transcode.pl
index 2cdb79866..721c1fb80 100755
--- a/t/test-transcode.pl
+++ b/t/test-transcode.pl
@@ -7,8 +7,8 @@ use IO::Socket;
 
 my $r = NGCP::Rtpengine::Test->new();
 my ($a, $b) = $r->client_pair(
-	{sockdomain => &Socket::AF_INET, codecs => [qw(PCMA)], no_data_check => 1},
-	{sockdomain => &Socket::AF_INET, codecs => [qw(PCMU)], no_data_check => 1}
+	{sockdomain => &Socket::AF_INET, codecs => [qw(PCMU)], no_data_check => 1},
+	{sockdomain => &Socket::AF_INET, codecs => [qw(G729)], no_data_check => 1}
 );
 
 $r->timer_once(3, sub {
@@ -18,7 +18,7 @@ $r->timer_once(3, sub {
 	});
 $r->timer_once(10, sub { $r->stop(); });
 
-$a->offer($b, ICE => 'remove', label => "caller", codec => { transcode => ['PCMU']});
+$a->offer($b, ICE => 'remove', label => "caller", codec => { transcode => ['G729']});
 $b->start_rtp();
 $b->start_rtcp();