diff --git a/TODO-RELEASE b/TODO-RELEASE
index e2f62ef..e49df7a 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -8,3 +8,4 @@
 # If any interfaces have been removed or changed since the last public release: c:r:0.
 #library	what		description / commit summary line
 libosmo-abis	API change	major: add parameter to struct e1inp_line
+libosmo-trau	API change	add new function osmo_rtp_socket_set_dscp()
diff --git a/include/osmocom/trau/osmo_ortp.h b/include/osmocom/trau/osmo_ortp.h
index 54afcf0..1e0720c 100644
--- a/include/osmocom/trau/osmo_ortp.h
+++ b/include/osmocom/trau/osmo_ortp.h
@@ -76,6 +76,7 @@
 int osmo_rtp_socket_connect(struct osmo_rtp_socket *rs, const char *ip, uint16_t port);
 int osmo_rtp_socket_autoconnect(struct osmo_rtp_socket *rs);
 int osmo_rtp_socket_set_pt(struct osmo_rtp_socket *rs, int payload_type);
+int osmo_rtp_socket_set_dscp(struct osmo_rtp_socket *rs, int dscp);
 int osmo_rtp_socket_free(struct osmo_rtp_socket *rs);
 int osmo_rtp_skipped_frame(struct osmo_rtp_socket *rs, unsigned int duration);
 int osmo_rtp_send_frame(struct osmo_rtp_socket *rs, const uint8_t *payload,
diff --git a/src/trau/osmo_ortp.c b/src/trau/osmo_ortp.c
index 1d652cb..8b81e37 100644
--- a/src/trau/osmo_ortp.c
+++ b/src/trau/osmo_ortp.c
@@ -578,6 +578,16 @@
 	return rc;
 }
 
+/*! \brief Set the DSCP (Differentiated Services Code Point) for outgoing RTP packets
+ *  \param[in] rs OsmoRTP socket
+ *  \param[in] dscp DSCP value
+ *  \returns 0 on success, < 0 otherwise
+ */
+int osmo_rtp_socket_set_dscp(struct osmo_rtp_socket *rs, int dscp)
+{
+	return rtp_session_set_dscp(rs->sess, dscp);
+}
+
 /*! \brief completely close the RTP socket and release all resources
  *  \param[in] rs OsmoRTP socket to be released
  *  \returns 0 on success