bticino patch for baresip

bt.patch

diff --git a/src/call.c b/src/call.c
index befc9f73..0d820dc3 100644
--- a/src/call.c
+++ b/src/call.c
@@ -1138,8 +1140,12 @@ int call_connect(struct call *call, const struct pl *paddr)

        /* If we are using asyncronous medianat like STUN/TURN, then
         * wait until completed before sending the INVITE */
-       if (!call->acc->mnat)
+       if (!call->acc->mnat){
+               struct sdp_session *sdp = call->sdp;
+               sdp_session_set_lattr(sdp, true, "DEVADDR", "20");
+               printf("================ adding DEVADDR to outgoing call ===============\n");
                err = send_invite(call);
+       }
        else
                err = call_streams_alloc(call);