MT#55283 add "directional" flag to list

Change-Id: Iaf80f1f9a053c3b202fbc15f4979d27e0bfb614e
(cherry picked from commit 928aabc3a8)

debian/patches/series

@@ -42,6 +42,7 @@ sipwise/http_client-add-method-parameter-to-http_connect.patch
 sipwise/lost-add-method-parameter-to-http_connect-calls.patch
 sipwise/usrloc-don-t-synchronize-on-destroy-for-DB_ONLY.patch
 sipwise/presence_offline_cleanup.patch
+sipwise/rtpengine-directional-flag.patch
 ### active development
 sipwise/permissions-don-t-allow-reloads-in-the-middle-of-ong.patch
 sipwise/db_redis_protect_length_overflow.patch

debian/patches/sipwise/rtpengine-directional-flag.patch

@@ -0,0 +1,11 @@
+--- a/src/modules/rtpengine/rtpengine.c
++++ b/src/modules/rtpengine/rtpengine.c
+@@ -2992,6 +2992,8 @@
+ 			if(ng_flags->to && ng_flags->to_tag.s && ng_flags->to_tag.len)
+ 				bencode_dictionary_add_str(
+ 						ng_flags->dict, "to-tag", &ng_flags->to_tag);
++			if(ng_flags->flags)
++				bencode_list_add_string(ng_flags->flags, "directional");
+ 		}
+ 	} else if(op == OP_SUBSCRIBE_REQUEST || op == OP_UNSUBSCRIBE) {
+ 		bencode_dictionary_add_str(