diff --git a/src/libmsc/sdp_msg.c b/src/libmsc/sdp_msg.c
index 6f30113c6..08a2186c4 100644
--- a/src/libmsc/sdp_msg.c
+++ b/src/libmsc/sdp_msg.c
@@ -509,8 +509,11 @@ int sdp_audio_codec_to_str_buf(char *buf, size_t buflen, const struct sdp_audio_
 {
 	struct osmo_strbuf sb = { .buf = buf, .len = buflen };
 	OSMO_STRBUF_PRINTF(sb, "%s", codec->subtype_name);
+	if (codec->rate != 8000)
+		OSMO_STRBUF_PRINTF(sb, "/%u", codec->rate);
 	if (codec->fmtp[0])
 		OSMO_STRBUF_PRINTF(sb, ":%s", codec->fmtp);
+	OSMO_STRBUF_PRINTF(sb, "#%d", codec->payload_type);
 	return sb.chars_needed;
 }
 
diff --git a/tests/sdp_msg/sdp_msg_test.ok b/tests/sdp_msg/sdp_msg_test.ok
index 0b11c51fc..5f84ddd57 100644
--- a/tests/sdp_msg/sdp_msg_test.ok
+++ b/tests/sdp_msg/sdp_msg_test.ok
@@ -566,25 +566,25 @@ sdp_msg_intersection(a,b): a=ptime:20\r\n
 test_select
 
 [0]
-SDP: AMR:octet-align=1,GSM,GSM-HR-08,GSM-EFR
-Select: AMR:octet-align=1
-SDP: AMR:octet-align=1,GSM,GSM-HR-08,GSM-EFR
+SDP: AMR:octet-align=1#112,GSM#3,GSM-HR-08#111,GSM-EFR#110
+Select: AMR:octet-align=1#112
+SDP: AMR:octet-align=1#112,GSM#3,GSM-HR-08#111,GSM-EFR#110
 [0] ok
 
 [1]
-SDP: AMR:octet-align=1,GSM,GSM-HR-08,GSM-EFR
-Select: GSM
-SDP: GSM,AMR:octet-align=1,GSM-HR-08,GSM-EFR
+SDP: AMR:octet-align=1#112,GSM#3,GSM-HR-08#111,GSM-EFR#110
+Select: GSM#3
+SDP: GSM#3,AMR:octet-align=1#112,GSM-HR-08#111,GSM-EFR#110
 [1] ok
 
 [2]
-SDP: AMR:octet-align=1,GSM,GSM-HR-08,GSM-EFR
-Select: GSM-HR-08
-SDP: GSM-HR-08,AMR:octet-align=1,GSM,GSM-EFR
+SDP: AMR:octet-align=1#112,GSM#3,GSM-HR-08#111,GSM-EFR#110
+Select: GSM-HR-08#111
+SDP: GSM-HR-08#111,AMR:octet-align=1#112,GSM#3,GSM-EFR#110
 [2] ok
 
 [3]
-SDP: AMR:octet-align=1,GSM,GSM-HR-08,GSM-EFR
-Select: GSM-EFR
-SDP: GSM-EFR,AMR:octet-align=1,GSM,GSM-HR-08
+SDP: AMR:octet-align=1#112,GSM#3,GSM-HR-08#111,GSM-EFR#110
+Select: GSM-EFR#110
+SDP: GSM-EFR#110,AMR:octet-align=1#112,GSM#3,GSM-HR-08#111
 [3] ok