diff --git a/src/include/switch_types.h b/src/include/switch_types.h
index 569b168d8e..da384d4741 100644
--- a/src/include/switch_types.h
+++ b/src/include/switch_types.h
@@ -240,6 +240,7 @@ typedef enum {
 	SWITCH_RTP_FLAG_MINI		  - Use mini RTP when possible
 	SWITCH_RTP_FLAG_DATAWAIT	  - Do not return from reads unless there is data even when non blocking
 	SWITCH_RTP_FLAG_BUGGY_2833    - Emulate the bug in cisco equipment to allow interop
+	SWITCH_RTP_FLAG_PASS_RFC2833     - Pass 2833 (ignore it)
 </pre>
  */
 typedef enum {
@@ -255,7 +256,8 @@ typedef enum {
 	SWITCH_RTP_FLAG_BREAK = ( 1 << 9),
 	SWITCH_RTP_FLAG_MINI = ( 1 << 10),
 	SWITCH_RTP_FLAG_DATAWAIT = (1 << 11),
-	SWITCH_RTP_FLAG_BUGGY_2833 = (1 << 12)
+	SWITCH_RTP_FLAG_BUGGY_2833 = (1 << 12),
+	SWITCH_RTP_FLAG_PASS_RFC2833 = (1 << 13)
 } switch_rtp_flag_t;
 
 /*!
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index b634e59aa5..c17e1b6fbe 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -141,7 +141,8 @@ typedef enum {
 	PFLAG_BLIND_REG = (1 << 1),
 	PFLAG_AUTH_ALL = (1 << 2),
 	PFLAG_FULL_ID = (1 << 3),
-	PFLAG_PRESENCE = (1 << 4)
+	PFLAG_PRESENCE = (1 << 4),
+	PFLAG_PASS_RFC2833 = (1 << 5)
 } PFLAGS;
 
 typedef enum {
@@ -1402,6 +1403,7 @@ static switch_status_t activate_rtp(private_object_t *tech_pvt)
 	int bw, ms;
 	switch_channel_t *channel;
 	const char *err = NULL;
+    char *val = NULL;
 	switch_rtp_flag_t flags;
 	switch_status_t status;
 	char tmp[50];
@@ -1431,6 +1433,10 @@ static switch_status_t activate_rtp(private_object_t *tech_pvt)
 		flags |= SWITCH_RTP_FLAG_BUGGY_2833;
 	}
 
+    if (tech_pvt->profile->flags & PFLAG_PASS_RFC2833 || ((val = switch_channel_get_variable(channel, "pass_rfc2833")) && switch_true(val))) {
+        flags |= SWITCH_RTP_FLAG_PASS_RFC2833;
+    }
+
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "RTP [%s] %s:%d->%s:%d codec: %u ms: %d\n",
 					  switch_channel_get_name(channel),
 					  tech_pvt->local_sdp_audio_ip,
@@ -4983,6 +4989,10 @@ static switch_status_t config_sofia(int reload)
 						if (switch_true(val)) {
 							profile->pflags |= PFLAG_PRESENCE;
 						}
+					} else if (!strcasecmp(var, "pass-rfc2833")) {
+						if (switch_true(val)) {
+							profile->pflags |= PFLAG_PASS_RFC2833;
+						}
 					} else if (!strcasecmp(var, "auth-calls")) {
 						if (switch_true(val)) {
 							profile->pflags |= PFLAG_AUTH_CALLS;
diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 4b074b2700..ea425483fe 100644
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -840,7 +840,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
 		}
 
 		/* RFC2833 ... TBD try harder to honor the duration etc.*/
-		if (rtp_session->recv_msg.header.pt == rtp_session->te) {
+		if (!switch_test_flag(rtp_session, SWITCH_RTP_FLAG_PASS_RFC2833) && rtp_session->recv_msg.header.pt == rtp_session->te) {
 			unsigned char *packet = (unsigned char *) rtp_session->recv_msg.body;
 			int end = packet[1]&0x80;
 			int duration = (packet[2]<<8) + packet[3];