diff --git a/libs/unimrcp/build/vsprops/unimrcpplugin.vsprops b/libs/unimrcp/build/vsprops/unimrcpplugin.vsprops
index 00dcc9ed43..53c6857dfd 100644
--- a/libs/unimrcp/build/vsprops/unimrcpplugin.vsprops
+++ b/libs/unimrcp/build/vsprops/unimrcpplugin.vsprops
@@ -12,6 +12,6 @@
 	<Tool
 		Name="VCLinkerTool"
 		AdditionalLibraryDirectories="&quot;$(SolutionDir)$(ConfigurationName)\bin&quot;"
-		AdditionalDependencies="mrcpengine.lib mrcp.lib mpf.lib aprtoolkit.lib libaprutil-1.lib libapr-1.lib"
+		AdditionalDependencies="mrcpengine.lib mrcp.lib mpf.lib aprtoolkit.lib libaprutil-1.lib libapr-1.lib ws2_32.lib"
 	/>
 </VisualStudioPropertySheet>
diff --git a/libs/unimrcp/libs/mpf/include/mpf_codec.h b/libs/unimrcp/libs/mpf/include/mpf_codec.h
index 8c9c4b91be..282ab693d8 100644
--- a/libs/unimrcp/libs/mpf/include/mpf_codec.h
+++ b/libs/unimrcp/libs/mpf/include/mpf_codec.h
@@ -82,7 +82,7 @@ static APR_INLINE mpf_codec_t* mpf_codec_create(
 }
 
 /**
- * Close codec.
+ * Clone codec.
  * @param src_codec the source (original) codec to clone
  * @param pool the pool to allocate memory from
  */
diff --git a/libs/unimrcp/libs/mpf/include/mpf_codec_manager.h b/libs/unimrcp/libs/mpf/include/mpf_codec_manager.h
index 2b14070b52..ec2fdd8d19 100644
--- a/libs/unimrcp/libs/mpf/include/mpf_codec_manager.h
+++ b/libs/unimrcp/libs/mpf/include/mpf_codec_manager.h
@@ -39,6 +39,9 @@ MPF_DECLARE(apt_bool_t) mpf_codec_manager_codec_register(mpf_codec_manager_t *co
 /** Get (allocate) codec by codec descriptor */
 MPF_DECLARE(mpf_codec_t*) mpf_codec_manager_codec_get(const mpf_codec_manager_t *codec_manager, mpf_codec_descriptor_t *descriptor, apr_pool_t *pool);
 
+/** Get (allocate) default codec */
+MPF_DECLARE(mpf_codec_t*) mpf_codec_manager_default_codec_get(const mpf_codec_manager_t *codec_manager, apr_pool_t *pool);
+
 /** Get (allocate) list of available codecs */
 MPF_DECLARE(apt_bool_t) mpf_codec_manager_codec_list_get(const mpf_codec_manager_t *codec_manager, mpf_codec_list_t *codec_list, apr_pool_t *pool);
 
diff --git a/libs/unimrcp/libs/mpf/src/mpf_codec_linear.c b/libs/unimrcp/libs/mpf/src/mpf_codec_linear.c
index f2aa0a703b..ceaec016ce 100644
--- a/libs/unimrcp/libs/mpf/src/mpf_codec_linear.c
+++ b/libs/unimrcp/libs/mpf/src/mpf_codec_linear.c
@@ -16,20 +16,75 @@
 
 #include "mpf_codec.h"
 
+/* linear 16-bit PCM (host horder) */
+#define LPCM_CODEC_NAME        "LPCM"
+#define LPCM_CODEC_NAME_LENGTH (sizeof(LPCM_CODEC_NAME)-1)
+
+/* linear 16-bit PCM (RFC3551) */
 #define L16_CODEC_NAME        "L16"
 #define L16_CODEC_NAME_LENGTH (sizeof(L16_CODEC_NAME)-1)
 
-static const mpf_codec_vtable_t l16_vtable = {
+
+static apt_bool_t l16_open(mpf_codec_t *codec)
+{
+	return TRUE;
+}
+
+static apt_bool_t l16_close(mpf_codec_t *codec)
+{
+	return TRUE;
+}
+
+static apt_bool_t l16_encode(mpf_codec_t *codec, const mpf_codec_frame_t *frame_in, mpf_codec_frame_t *frame_out)
+{
+	apr_uint32_t i;
+	const short *buf_in = frame_in->buffer;
+	short *buf_out = frame_out->buffer;
+
+	frame_out->size = frame_in->size;
+
+	for(i=0; i<frame_in->size; ) {
+		buf_out[i] = htons(buf_in[i]);
+		i += sizeof(short);
+	}
+
+	return TRUE;
+}
+
+static apt_bool_t l16_decode(mpf_codec_t *codec, const mpf_codec_frame_t *frame_in, mpf_codec_frame_t *frame_out)
+{
+	apr_uint32_t i;
+	const short *buf_in = frame_in->buffer;
+	short *buf_out = frame_out->buffer;
+
+	frame_out->size = frame_in->size;
+
+	for(i=0; i<frame_in->size; ) {
+		buf_out[i] = ntohs(buf_in[i]);
+		i += sizeof(short);
+	}
+
+	return TRUE;
+}
+
+
+
+static const mpf_codec_vtable_t lpcm_vtable = {
 	NULL
 };
 
-static const mpf_codec_descriptor_t l16_descriptor = {
-	96, /* not specified */
-	{L16_CODEC_NAME, L16_CODEC_NAME_LENGTH},
-	8000,
-	1,
-	NULL,
-	TRUE
+static const mpf_codec_vtable_t l16_vtable = {
+	l16_open,
+	l16_close,
+	l16_encode,
+	l16_decode,
+	NULL
+};
+
+static const mpf_codec_attribs_t lpcm_attribs = {
+	{LPCM_CODEC_NAME, LPCM_CODEC_NAME_LENGTH},   /* codec name */
+	16,                                          /* bits per sample */
+	MPF_SAMPLE_RATE_8000 | MPF_SAMPLE_RATE_16000 /* sampling rates */
 };
 
 static const mpf_codec_attribs_t l16_attribs = {
@@ -38,12 +93,24 @@ static const mpf_codec_attribs_t l16_attribs = {
 	MPF_SAMPLE_RATE_8000 | MPF_SAMPLE_RATE_16000 /* sampling rates */
 };
 
+mpf_codec_descriptor_t* mpf_codec_lpcm_descriptor_create(apr_uint16_t sampling_rate, apr_byte_t channel_count, apr_pool_t *pool)
+{
+	mpf_codec_descriptor_t *descriptor = apr_palloc(pool,sizeof(mpf_codec_descriptor_t));
+	mpf_codec_descriptor_init(descriptor);
+	descriptor->payload_type = 96;
+	descriptor->name.buf = LPCM_CODEC_NAME;
+	descriptor->name.length = LPCM_CODEC_NAME_LENGTH;
+	descriptor->sampling_rate = sampling_rate;
+	descriptor->channel_count = channel_count;
+	return descriptor;
+}
+
+mpf_codec_t* mpf_codec_lpcm_create(apr_pool_t *pool)
+{
+	return mpf_codec_create(&lpcm_vtable,&lpcm_attribs,NULL,pool);
+}
+
 mpf_codec_t* mpf_codec_l16_create(apr_pool_t *pool)
 {
 	return mpf_codec_create(&l16_vtable,&l16_attribs,NULL,pool);
 }
-
-const mpf_codec_descriptor_t* l16_descriptor_get()
-{
-	return &l16_descriptor;
-}
diff --git a/libs/unimrcp/libs/mpf/src/mpf_codec_manager.c b/libs/unimrcp/libs/mpf/src/mpf_codec_manager.c
index 3492cb23d7..15bda89c51 100644
--- a/libs/unimrcp/libs/mpf/src/mpf_codec_manager.c
+++ b/libs/unimrcp/libs/mpf/src/mpf_codec_manager.c
@@ -28,6 +28,8 @@ struct mpf_codec_manager_t {
 };
 
 
+mpf_codec_descriptor_t* mpf_codec_lpcm_descriptor_create(apr_uint16_t sampling_rate, apr_byte_t channel_count, apr_pool_t *pool);
+
 MPF_DECLARE(mpf_codec_manager_t*) mpf_codec_manager_create(apr_size_t codec_count, apr_pool_t *pool)
 {
 	mpf_codec_manager_t *codec_manager = apr_palloc(pool,sizeof(mpf_codec_manager_t));
@@ -93,6 +95,14 @@ MPF_DECLARE(mpf_codec_t*) mpf_codec_manager_codec_get(const mpf_codec_manager_t
 	return ret_codec;
 }
 
+MPF_DECLARE(mpf_codec_t*) mpf_codec_manager_default_codec_get(const mpf_codec_manager_t *codec_manager, apr_pool_t *pool)
+{
+	mpf_codec_t *codec;
+	mpf_codec_descriptor_t *descriptor = mpf_codec_lpcm_descriptor_create(8000,1,pool);
+	codec = mpf_codec_manager_codec_get(codec_manager,descriptor,pool);
+	return codec;
+}
+
 MPF_DECLARE(apt_bool_t) mpf_codec_manager_codec_list_get(const mpf_codec_manager_t *codec_manager, mpf_codec_list_t *codec_list, apr_pool_t *pool)
 {
 	const mpf_codec_descriptor_t *static_descriptor;
diff --git a/libs/unimrcp/libs/mpf/src/mpf_engine.c b/libs/unimrcp/libs/mpf/src/mpf_engine.c
index 2c6dca93a7..42aee780fc 100644
--- a/libs/unimrcp/libs/mpf/src/mpf_engine.c
+++ b/libs/unimrcp/libs/mpf/src/mpf_engine.c
@@ -48,6 +48,7 @@ static apt_bool_t mpf_engine_msg_process(apt_task_t *task, apt_task_msg_t *msg);
 
 static apt_bool_t mpf_engine_contexts_destroy(mpf_engine_t *engine);
 
+mpf_codec_t* mpf_codec_lpcm_create(apr_pool_t *pool);
 mpf_codec_t* mpf_codec_l16_create(apr_pool_t *pool);
 mpf_codec_t* mpf_codec_g711u_create(apr_pool_t *pool);
 mpf_codec_t* mpf_codec_g711a_create(apr_pool_t *pool);
@@ -287,6 +288,9 @@ MPF_DECLARE(mpf_codec_manager_t*) mpf_engine_codec_manager_create(apr_pool_t *po
 	mpf_codec_manager_t *codec_manager = mpf_codec_manager_create(3,pool);
 	if(codec_manager) {
 		mpf_codec_t *codec;
+		codec = mpf_codec_lpcm_create(pool);
+		mpf_codec_manager_codec_register(codec_manager,codec);
+
 		codec = mpf_codec_g711u_create(pool);
 		mpf_codec_manager_codec_register(codec_manager,codec);
 
diff --git a/libs/unimrcp/libs/mpf/src/mpf_termination.c b/libs/unimrcp/libs/mpf/src/mpf_termination.c
index 2c975442b6..291d92cae3 100644
--- a/libs/unimrcp/libs/mpf/src/mpf_termination.c
+++ b/libs/unimrcp/libs/mpf/src/mpf_termination.c
@@ -18,8 +18,6 @@
 #include "mpf_stream.h"
 #include "mpf_codec_manager.h"
 
-const mpf_codec_descriptor_t* l16_descriptor_get();
-
 MPF_DECLARE(mpf_termination_t*) mpf_termination_base_create(
 										mpf_termination_factory_t *termination_factory,
 										void *obj,
@@ -69,20 +67,6 @@ MPF_DECLARE(apt_bool_t) mpf_termination_modify(mpf_termination_t *termination, v
 	return TRUE;
 }
 
-static mpf_codec_t* mpf_termination_default_codec_create(mpf_termination_t *termination)
-{
-	mpf_codec_t *codec;
-	const mpf_codec_descriptor_t *default_descriptor = l16_descriptor_get();
-	mpf_codec_descriptor_t *descriptor = apr_palloc(termination->pool,sizeof(mpf_codec_descriptor_t));
-	mpf_codec_descriptor_init(descriptor);
-	*descriptor = *default_descriptor;
-	codec = mpf_codec_manager_codec_get(
-		termination->codec_manager,
-		descriptor,
-		termination->pool);
-	return codec;
-}
-
 MPF_DECLARE(apt_bool_t) mpf_termination_validate(mpf_termination_t *termination)
 {
 	mpf_audio_stream_t *audio_stream;
@@ -96,12 +80,16 @@ MPF_DECLARE(apt_bool_t) mpf_termination_validate(mpf_termination_t *termination)
 		}
 		if((audio_stream->mode & STREAM_MODE_RECEIVE) == STREAM_MODE_RECEIVE) {
 			if(!audio_stream->rx_codec) {
-				audio_stream->rx_codec = mpf_termination_default_codec_create(termination);
+				audio_stream->rx_codec = mpf_codec_manager_default_codec_get(
+											termination->codec_manager,
+											termination->pool);
 			}
 		}
 		if((audio_stream->mode & STREAM_MODE_SEND) == STREAM_MODE_SEND) {
 			if(!audio_stream->tx_codec) {
-				audio_stream->tx_codec = mpf_termination_default_codec_create(termination);
+				audio_stream->tx_codec = mpf_codec_manager_default_codec_get(
+											termination->codec_manager,
+											termination->pool);
 			}
 		}
 	}
diff --git a/libs/unimrcp/plugins/mrcp-cepstral/src/mrcp_swift.c b/libs/unimrcp/plugins/mrcp-cepstral/src/mrcp_swift.c
index 51558fd530..d057650369 100644
--- a/libs/unimrcp/plugins/mrcp-cepstral/src/mrcp_swift.c
+++ b/libs/unimrcp/plugins/mrcp-cepstral/src/mrcp_swift.c
@@ -195,7 +195,7 @@ static mrcp_engine_channel_t* mrcp_swift_engine_channel_create(mrcp_resource_eng
 	mpf_codec_descriptor_init(codec_descriptor);
 	codec_descriptor->channel_count = 1;
 	codec_descriptor->payload_type = 96;
-	apt_string_set(&codec_descriptor->name,"L16");
+	apt_string_set(&codec_descriptor->name,"LPCM");
 	codec_descriptor->sampling_rate = 8000;
 
 	params = swift_params_new(NULL);
diff --git a/libs/unimrcp/tests/mpftest/src/mpf_suite.c b/libs/unimrcp/tests/mpftest/src/mpf_suite.c
index af144b53d1..4075ebb546 100644
--- a/libs/unimrcp/tests/mpftest/src/mpf_suite.c
+++ b/libs/unimrcp/tests/mpftest/src/mpf_suite.c
@@ -348,8 +348,8 @@ static mpf_audio_file_descriptor_t* mpf_file_reader_descriptor_create(mpf_suite_
 	descriptor->write_handle = NULL;
 
 	codec_descriptor = &descriptor->codec_descriptor;
-	codec_descriptor->payload_type = 11;
-	apt_string_set(&codec_descriptor->name,"L16");
+	codec_descriptor->payload_type = 96;
+	apt_string_set(&codec_descriptor->name,"LPCM");
 	codec_descriptor->sampling_rate = 8000;
 	codec_descriptor->channel_count = 1;
 	return descriptor;
@@ -366,8 +366,8 @@ static mpf_audio_file_descriptor_t* mpf_file_writer_descriptor_create(mpf_suite_
 	descriptor->read_handle = NULL;
 
 	codec_descriptor = &descriptor->codec_descriptor;
-	codec_descriptor->payload_type = 11;
-	apt_string_set(&codec_descriptor->name,"L16");
+	codec_descriptor->payload_type = 96;
+	apt_string_set(&codec_descriptor->name,"LPCM");
 	codec_descriptor->sampling_rate = 8000;
 	codec_descriptor->channel_count = 1;
 	return descriptor;