diff --git a/src/include/switch_types.h b/src/include/switch_types.h
index 6019e1166c..44e3146c1e 100644
--- a/src/include/switch_types.h
+++ b/src/include/switch_types.h
@@ -446,6 +446,7 @@ SWITCH_CODEC_FLAG_SILENCE_STOP =	(1 <<  3) - End period of silence
 SWITCH_CODEC_FLAG_SILENCE =			(1 <<  4) - Silence
 SWITCH_CODEC_FLAG_FREE_POOL =		(1 <<  5) - Free codec's pool on destruction
 SWITCH_CODEC_FLAG_AAL2 =			(1 <<  6) - USE AAL2 Bitpacking
+SWITCH_CODEC_FLAG_PASSTHROUGH =		(1 <<  7) - Passthrough only
 </pre>
 */
 typedef enum {
@@ -455,7 +456,8 @@ typedef enum {
 	SWITCH_CODEC_FLAG_SILENCE_STOP =	(1 <<  3),
 	SWITCH_CODEC_FLAG_SILENCE =			(1 <<  4),
 	SWITCH_CODEC_FLAG_FREE_POOL =		(1 <<  5),
-	SWITCH_CODEC_FLAG_AAL2 =			(1 <<  6)
+	SWITCH_CODEC_FLAG_AAL2 =			(1 <<  6),
+	SWITCH_CODEC_FLAG_PASSTHROUGH =		(1 <<  7)
 } switch_codec_flag_t;
 
 
diff --git a/src/mod/codecs/mod_g729/mod_g729.c b/src/mod/codecs/mod_g729/mod_g729.c
index 0880df76f7..5ebaa35a0b 100644
--- a/src/mod/codecs/mod_g729/mod_g729.c
+++ b/src/mod/codecs/mod_g729/mod_g729.c
@@ -31,20 +31,27 @@
  * mod_g729.c -- G729 Codec Module
  *
  */  
-#include "switch.h"
-#include "g729.h"
 
 static const char modname[] = "mod_g729";
 
+#include "switch.h"
+
+#ifndef G729_PASSTHROUGH
+#include "g729.h"
+
 struct g729_context {
 	struct dec_state decoder_object;
 	struct cod_state encoder_object;
 };
+#endif
 
 static switch_status_t switch_g729_init(switch_codec_t *codec, switch_codec_flag_t flags,
 									  const switch_codec_settings_t *codec_settings) 
 {
-
+#ifdef G729_PASSTHROUGH
+	codec->flags |= SWITCH_CODEC_FLAG_PASSTHROUGH;
+	return SWITCH_STATUS_SUCCESS;
+#else 
 	struct g729_context *context = NULL;
 	int encoding, decoding;
 
@@ -68,11 +75,14 @@ static switch_status_t switch_g729_init(switch_codec_t *codec, switch_codec_flag
 		return SWITCH_STATUS_SUCCESS;
 
 	}
+#endif
 }
 
 static switch_status_t switch_g729_destroy(switch_codec_t *codec) 
 {
+#ifndef G729_PASSTHROUGH
 	codec->private_info = NULL;
+#endif
 	return SWITCH_STATUS_SUCCESS;
 }
 
@@ -88,6 +98,10 @@ static switch_status_t switch_g729_encode(switch_codec_t *codec,
 										uint32_t *encoded_rate, 
 										unsigned int *flag) 
 {
+#ifdef G729_PASSTHROUGH
+	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This codec is only usable in passthrough mode!\n");
+	return SWITCH_STATUS_FALSE;
+#else
 	struct g729_context *context = codec->private_info;
 	int cbret = 0;
 
@@ -117,6 +131,7 @@ static switch_status_t switch_g729_encode(switch_codec_t *codec,
 		}
 	}
 	return SWITCH_STATUS_SUCCESS;
+#endif
 }
 
 static switch_status_t switch_g729_decode(switch_codec_t *codec, 
@@ -131,6 +146,10 @@ static switch_status_t switch_g729_decode(switch_codec_t *codec,
 										uint32_t *decoded_rate, 
 										unsigned int *flag) 
 {
+#ifdef G729_PASSTHROUGH
+	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This codec is only usable in passthrough mode!\n");
+	return SWITCH_STATUS_FALSE;
+#else
 	struct g729_context *context = codec->private_info;
 	int divisor = 10;
 	int plen = 10;
@@ -194,6 +213,7 @@ static switch_status_t switch_g729_decode(switch_codec_t *codec,
 		return SWITCH_STATUS_FALSE;
 	}
 	return SWITCH_STATUS_SUCCESS;
+#endif
 }
 
 /* Registration */ 
diff --git a/src/switch_core.c b/src/switch_core.c
index 6eb433fc97..1208ba665b 100644
--- a/src/switch_core.c
+++ b/src/switch_core.c
@@ -498,6 +498,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_codec_init(switch_codec_t *codec, ch
 			}
 			switch_set_flag(codec, SWITCH_CODEC_FLAG_FREE_POOL);
 		}
+
 		implementation->init(codec, flags, codec_settings);
 
 		return SWITCH_STATUS_SUCCESS;
diff --git a/src/switch_ivr.c b/src/switch_ivr.c
index d062adbb3a..e0084a6a5e 100644
--- a/src/switch_ivr.c
+++ b/src/switch_ivr.c
@@ -1426,7 +1426,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
 	int32_t idx = -1;
 	switch_codec_t write_codec = {0};
 	switch_frame_t write_frame = {0};
-	uint8_t err = 0, fdata[1024];
+	uint8_t err = 0, fdata[1024], pass = 0;
 	char *file = NULL, *key = NULL, *odata, *var;
 
 	write_frame.data = fdata;
@@ -1630,24 +1630,26 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
 		read_codec = switch_core_session_get_read_codec(session);
 
 		assert(read_codec != NULL);
-		if (switch_core_codec_init(&write_codec,
-								   "L16",
-								   read_codec->implementation->samples_per_second,
-								   read_codec->implementation->microseconds_per_frame / 1000,
-								   1,
-								   SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
-								   NULL,
-								   pool) == SWITCH_STATUS_SUCCESS) {
-			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Raw Codec Activation Success L16@%uhz 1 channel %dms\n",
-							  read_codec->implementation->samples_per_second,
-							  read_codec->implementation->microseconds_per_frame / 1000);
-			write_frame.codec = &write_codec;
-			write_frame.datalen = read_codec->implementation->bytes_per_frame;
-			write_frame.samples = write_frame.datalen / 2;
-			memset(write_frame.data, 255, write_frame.datalen);
-		} else {
-			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec Error!");
-			switch_channel_hangup(caller_channel, SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE);
+		if (!(pass = switch_test_flag(read_codec, SWITCH_CODEC_FLAG_PASSTHROUGH))) {
+			if (switch_core_codec_init(&write_codec,
+									   "L16",
+									   read_codec->implementation->samples_per_second,
+									   read_codec->implementation->microseconds_per_frame / 1000,
+									   1,
+									   SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
+									   NULL,
+									   pool) == SWITCH_STATUS_SUCCESS) {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Raw Codec Activation Success L16@%uhz 1 channel %dms\n",
+								  read_codec->implementation->samples_per_second,
+								  read_codec->implementation->microseconds_per_frame / 1000);
+				write_frame.codec = &write_codec;
+				write_frame.datalen = read_codec->implementation->bytes_per_frame;
+				write_frame.samples = write_frame.datalen / 2;
+				memset(write_frame.data, 255, write_frame.datalen);
+			} else {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec Error!");
+				switch_channel_hangup(caller_channel, SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE);
+			}
 		}
 	}
 
@@ -1661,7 +1663,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				break;
 			}
-			if (read_frame) {
+			if (read_frame && !pass) {
 				if (switch_core_session_write_frame(session, &write_frame, 1000, 0) != SWITCH_STATUS_SUCCESS) {
 					break;
 				}
@@ -1718,7 +1720,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
 	if (odata) {
 		free(odata);
 	}
-	if (write_codec.implementation) {
+	if (!pass && write_codec.implementation) {
 		switch_core_codec_destroy(&write_codec);
 	}
 	return status;