diff --git a/openbsc/include/openbsc/mgcp_internal.h b/openbsc/include/openbsc/mgcp_internal.h
index 12e3ad9..7c5badc 100644
--- a/openbsc/include/openbsc/mgcp_internal.h
+++ b/openbsc/include/openbsc/mgcp_internal.h
@@ -98,6 +98,7 @@
 	/* port status for bts/net */
 	struct mgcp_rtp_end bts_end;
 	struct mgcp_rtp_end net_end;
+	struct mgcp_rtp_end transcoder_end;
 
 	/* sequence bits */
 	struct mgcp_rtp_state net_state;
@@ -123,6 +124,7 @@
 int mgcp_send_dummy(struct mgcp_endpoint *endp);
 int mgcp_bind_bts_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
 int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
+int mgcp_bind_transcoder_rtp_port(struct mgcp_endpoint *enp, int rtp_port);
 int mgcp_free_rtp_port(struct mgcp_rtp_end *end);
 
 #endif
diff --git a/openbsc/src/mgcp/mgcp_network.c b/openbsc/src/mgcp/mgcp_network.c
index 96a1865..6ee268c 100644
--- a/openbsc/src/mgcp/mgcp_network.c
+++ b/openbsc/src/mgcp/mgcp_network.c
@@ -159,6 +159,42 @@
 	return sendto(fd, buf, len, 0,
 		      (struct sockaddr *)&tap->forward, sizeof(tap->forward));
 }
+
+static int send_transcoder(struct mgcp_endpoint *endp, int is_rtp,
+		       const char *buf, int len)
+{
+	int rc;
+	int port;
+	struct mgcp_config *cfg = endp->cfg;
+	struct sockaddr_in addr;
+
+	if (endp->transcoder_end.rtp_port == 0) {
+		LOGP(DMGCP, LOGL_ERROR, "Transcoder port not known on 0x%x\n",
+			ENDPOINT_NUMBER(endp));
+		return -1;
+	}
+
+	port = rtp_calculate_port(ENDPOINT_NUMBER(endp), 4000);
+	if (!is_rtp)
+		port += 1;
+
+	addr.sin_family = AF_INET;
+	addr.sin_addr = cfg->transcoder_in;
+	addr.sin_port = htons(port);
+
+	rc = sendto(is_rtp ?
+		endp->bts_end.rtp.fd :
+		endp->bts_end.rtcp.fd, buf, len, 0,
+		(struct sockaddr *) &addr, sizeof(addr));
+
+	if (rc != len)
+		LOGP(DMGCP, LOGL_ERROR,
+			"Failed to send data to the transcoder: %s\n",
+			strerror(errno));
+
+	return rc;
+}
+
 static int send_to(struct mgcp_endpoint *endp, int dest, int is_rtp,
 		   struct sockaddr_in *addr, char *buf, int rc)
 {
@@ -339,6 +375,51 @@
 	endp->bts_end.packets += 1;
 
 	forward_data(fd->fd, &endp->taps[MGCP_TAP_BTS_IN], buf, rc);
+	if (cfg->transcoder_ip)
+		return send_transcoder(endp, proto == PROTO_RTP, &buf[0], rc);
+	else
+		return send_to(endp, DEST_NETWORK, proto == PROTO_RTP, &addr, &buf[0], rc);
+}
+
+static int rtp_data_transcoder(struct bsc_fd *fd, unsigned int what)
+{
+	char buf[4096];
+	struct sockaddr_in addr;
+	struct mgcp_endpoint *endp;
+	struct mgcp_config *cfg;
+	int rc, proto;
+
+	endp = (struct mgcp_endpoint *) fd->data;
+	cfg = endp->cfg;
+
+	rc = recevice_from(endp, fd->fd, &addr, buf, sizeof(buf));
+	if (rc <= 0)
+		return -1;
+
+	proto = fd == &endp->transcoder_end.rtp ? PROTO_RTP : PROTO_RTCP;
+
+	if (memcmp(&addr.sin_addr, &cfg->transcoder_in, sizeof(addr.sin_addr)) != 0) {
+		LOGP(DMGCP, LOGL_ERROR,
+			"Data not coming from transcoder: %s on 0x%x\n",
+			inet_ntoa(addr.sin_addr), ENDPOINT_NUMBER(endp));
+		return -1;
+	}
+
+	if (endp->transcoder_end.rtp_port != addr.sin_port &&
+	    endp->transcoder_end.rtcp_port != addr.sin_port) {
+		LOGP(DMGCP, LOGL_ERROR,
+			"Data from wrong transcoder source port %d on 0x%x\n",
+			ntohs(addr.sin_port), ENDPOINT_NUMBER(endp));
+		return -1;
+	}
+
+	/* throw away the dummy message */
+	if (rc == 1 && buf[0] == DUMMY_LOAD) {
+		LOGP(DMGCP, LOGL_NOTICE, "Filtered dummy from transcoder on 0x%x\n",
+			ENDPOINT_NUMBER(endp));
+		return 0;
+	}
+
 	return send_to(endp, DEST_NETWORK, proto == PROTO_RTP, &addr, &buf[0], rc);
 }
 
@@ -453,6 +534,22 @@
 	return bind_rtp(endp->cfg, &endp->net_end, ENDPOINT_NUMBER(endp));
 }
 
+int mgcp_bind_transcoder_rtp_port(struct mgcp_endpoint *endp, int rtp_port)
+{
+	if (endp->transcoder_end.rtp.fd != -1 || endp->transcoder_end.rtcp.fd != -1) {
+		LOGP(DMGCP, LOGL_ERROR, "Previous net-port was still bound on %d\n",
+			ENDPOINT_NUMBER(endp));
+		mgcp_free_rtp_port(&endp->transcoder_end);
+	}
+
+	endp->transcoder_end.local_port = rtp_port;
+	endp->transcoder_end.rtp.cb = rtp_data_transcoder;
+	endp->transcoder_end.rtp.data = endp;
+	endp->transcoder_end.rtcp.data = endp;
+	endp->transcoder_end.rtcp.cb = rtp_data_transcoder;
+	return bind_rtp(endp->cfg, &endp->transcoder_end, ENDPOINT_NUMBER(endp));
+}
+
 int mgcp_free_rtp_port(struct mgcp_rtp_end *end)
 {
 	if (end->rtp.fd != -1) {
diff --git a/openbsc/src/mgcp/mgcp_protocol.c b/openbsc/src/mgcp/mgcp_protocol.c
index 943fd0b..8010006 100644
--- a/openbsc/src/mgcp/mgcp_protocol.c
+++ b/openbsc/src/mgcp/mgcp_protocol.c
@@ -373,7 +373,8 @@
 }
 
 static int allocate_port(struct mgcp_endpoint *endp, struct mgcp_rtp_end *end,
-			 struct mgcp_port_range *range, int for_net)
+			 struct mgcp_port_range *range,
+			 int (*alloc)(struct mgcp_endpoint *endp, int port))
 {
 	int i;
 
@@ -390,9 +391,7 @@
 		if (range->last_port >= range->range_end)
 			range->last_port = range->range_start;
 
-		rc = for_net ?
-			mgcp_bind_net_rtp_port(endp, range->last_port) :
-			mgcp_bind_bts_rtp_port(endp, range->last_port);
+		rc = alloc(endp, range->last_port);
 
 		range->last_port += 2;
 		if (rc == 0) {
@@ -402,21 +401,31 @@
 
 	}
 
-	LOGP(DMGCP, LOGL_ERROR, "Allocating a RTP/RTCP port failed 200 times 0x%x net: %d\n",
-	     ENDPOINT_NUMBER(endp), for_net);
+	LOGP(DMGCP, LOGL_ERROR, "Allocating a RTP/RTCP port failed 200 times 0x%x.\n",
+	     ENDPOINT_NUMBER(endp));
 	return -1;
 }
 
 static int allocate_ports(struct mgcp_endpoint *endp)
 {
-	if (allocate_port(endp, &endp->net_end, &endp->cfg->net_ports, 1) != 0)
+	if (allocate_port(endp, &endp->net_end, &endp->cfg->net_ports,
+			  mgcp_bind_net_rtp_port) != 0)
 		return -1;
 
-	if (allocate_port(endp, &endp->bts_end, &endp->cfg->bts_ports, 0) != 0) {
+	if (allocate_port(endp, &endp->bts_end, &endp->cfg->bts_ports,
+			  mgcp_bind_bts_rtp_port) != 0) {
 		mgcp_rtp_end_reset(&endp->net_end);
 		return -1;
 	}
 
+	if (endp->cfg->transcoder_ip &&
+	    allocate_port(endp, &endp->transcoder_end, &endp->cfg->transcoder_ports,
+			  mgcp_bind_transcoder_rtp_port) != 0) {
+		mgcp_rtp_end_reset(&endp->net_end);
+		mgcp_rtp_end_reset(&endp->bts_end);
+		return -1;
+	}
+
 	return 0;
 }
 
@@ -805,6 +814,7 @@
 		cfg->endpoints[i].cfg = cfg;
 		mgcp_rtp_end_init(&cfg->endpoints[i].net_end);
 		mgcp_rtp_end_init(&cfg->endpoints[i].bts_end);
+		mgcp_rtp_end_init(&cfg->endpoints[i].transcoder_end);
 	}
 
 	return 0;
@@ -828,6 +838,7 @@
 
 	mgcp_rtp_end_reset(&endp->bts_end);
 	mgcp_rtp_end_reset(&endp->net_end);
+	mgcp_rtp_end_reset(&endp->transcoder_end);
 
 	memset(&endp->net_state, 0, sizeof(endp->net_state));
 	memset(&endp->bts_state, 0, sizeof(endp->bts_state));
diff --git a/openbsc/src/mgcp/mgcp_vty.c b/openbsc/src/mgcp/mgcp_vty.c
index b603570..d84c3c1 100644
--- a/openbsc/src/mgcp/mgcp_vty.c
+++ b/openbsc/src/mgcp/mgcp_vty.c
@@ -505,6 +505,16 @@
 			}
 			endp->net_end.local_alloc = PORT_ALLOC_STATIC;
 		}
+
+		if (g_cfg->transcoder_ip && g_cfg->transcoder_ports.mode == PORT_ALLOC_STATIC) {
+			rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp),
+						      g_cfg->transcoder_ports.base_port);
+			if (mgcp_bind_transcoder_rtp_port(endp, rtp_port) != 0) {
+				LOGP(DMGCP, LOGL_FATAL, "Failed to bind: %d\n", rtp_port);
+				return -1;
+			}
+			endp->transcoder_end.local_alloc = PORT_ALLOC_STATIC;
+		}
 	}
 
 	return 0;