diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 870b53edf8..126a926bd9 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -14153,6 +14153,7 @@ static void build_contact(struct sip_pvt *p, struct sip_request *req, int incomi
 	char tmp[SIPBUFSIZE];
 	char *user = ast_uri_encode(p->exten, tmp, sizeof(tmp), ast_uri_sip_user);
 	int use_sips;
+	char *transport = ast_strdupa(sip_get_transport(p->socket.type));
 
 	if (incoming) {
 		use_sips = uas_sips_contact(req);
@@ -14167,7 +14168,7 @@ static void build_contact(struct sip_pvt *p, struct sip_request *req, int incomi
 	} else {
 		ast_string_field_build(p, our_contact, "<%s:%s%s%s;transport=%s>",
 			use_sips ? "sips" : "sip", user, ast_strlen_zero(user) ? "" : "@",
-			ast_sockaddr_stringify_remote(&p->ourip), sip_get_transport(p->socket.type));
+			ast_sockaddr_stringify_remote(&p->ourip), ast_str_to_lower(transport));
 	}
 }
 
diff --git a/res/res_pjsip_transport_websocket.c b/res/res_pjsip_transport_websocket.c
index b9d94ea3c6..a9f5268846 100644
--- a/res/res_pjsip_transport_websocket.c
+++ b/res/res_pjsip_transport_websocket.c
@@ -378,7 +378,6 @@ static void websocket_cb(struct ast_websocket *session, struct ast_variable *par
 static pj_bool_t websocket_on_rx_msg(pjsip_rx_data *rdata)
 {
 	static const pj_str_t STR_WS = { "ws", 2 };
-	static const pj_str_t STR_WSS = { "wss", 3 };
 	pjsip_contact_hdr *contact;
 
 	long type = rdata->tp_info.transport->key.type;
@@ -395,7 +394,7 @@ static pj_bool_t websocket_on_rx_msg(pjsip_rx_data *rdata)
 		uri->port = rdata->pkt_info.src_port;
 		ast_debug(4, "Re-wrote Contact URI host/port to %.*s:%d\n",
 			(int)pj_strlen(&uri->host), pj_strbuf(&uri->host), uri->port);
-		pj_strdup(rdata->tp_info.pool, &uri->transport_param, (type == (long)transport_type_ws) ? &STR_WS : &STR_WSS);
+		pj_strdup(rdata->tp_info.pool, &uri->transport_param, &STR_WS);
 	}
 
 	rdata->msg_info.via->rport_param = 0;
@@ -431,7 +430,7 @@ static int load_module(void)
 	CHECK_PJSIP_MODULE_LOADED();
 
 	pjsip_transport_register_type(PJSIP_TRANSPORT_RELIABLE, "WS", 5060, &transport_type_ws);
-	pjsip_transport_register_type(PJSIP_TRANSPORT_RELIABLE | PJSIP_TRANSPORT_SECURE, "WSS", 5060, &transport_type_wss);
+	pjsip_transport_register_type(PJSIP_TRANSPORT_RELIABLE | PJSIP_TRANSPORT_SECURE, "WS", 5060, &transport_type_wss);
 
 	if (ast_sip_register_service(&websocket_module) != PJ_SUCCESS) {
 		return AST_MODULE_LOAD_DECLINE;