FS-4328 try this

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -5766,13 +5766,11 @@ static int recover_callback(void *pArg, int argc, char **argv, char **columnName
 	rr = switch_channel_get_variable(channel, "sip_invite_record_route");
 
 	if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
+		int break_rfc = switch_true(switch_channel_get_variable(channel, "sip_recovery_break_rfc"));
 		tech_pvt->dest = switch_core_session_sprintf(session, "sip:%s", switch_channel_get_variable(channel, "sip_req_uri"));
-		switch_channel_set_variable(channel, "sip_handle_full_from", switch_channel_get_variable(channel, "sip_full_from"));
-		switch_channel_set_variable(channel, "sip_handle_full_to", switch_channel_get_variable(channel, "sip_full_to"));
+		switch_channel_set_variable(channel, "sip_handle_full_from", switch_channel_get_variable(channel, break_rfc ? "sip_full_to" : "sip_full_from"));
+		switch_channel_set_variable(channel, "sip_handle_full_to", switch_channel_get_variable(channel, break_rfc ? "sip_full_from" : "sip_full_to"));
 	} else {
-		
-		int break_rfc = switch_true(switch_channel_get_variable(channel, "sip_recovery_break_rfc"));
-
 		tech_pvt->redirected = switch_core_session_sprintf(session, "sip:%s", switch_channel_get_variable(channel, "sip_contact_uri"));
 
 		if (zstr(rr)) {
@@ -5785,11 +5783,11 @@ static int recover_callback(void *pArg, int argc, char **argv, char **columnName
 		tech_pvt->dest = switch_core_session_sprintf(session, "sip:%s", switch_channel_get_variable(channel, "sip_from_uri"));
 
 		if (!switch_channel_get_variable_dup(channel, "sip_handle_full_from", SWITCH_FALSE, -1)) {
-			switch_channel_set_variable(channel, "sip_handle_full_from", switch_channel_get_variable(channel, break_rfc ? "sip_full_from" : "sip_full_to"));
+			switch_channel_set_variable(channel, "sip_handle_full_from", switch_channel_get_variable(channel, "sip_full_to"));
 		}
 
 		if (!switch_channel_get_variable_dup(channel, "sip_handle_full_to", SWITCH_FALSE, -1)) {
-			switch_channel_set_variable(channel, "sip_handle_full_to", switch_channel_get_variable(channel, break_rfc ? "sip_full_to" : "sip_full_from"));
+			switch_channel_set_variable(channel, "sip_handle_full_to", switch_channel_get_variable(channel, "sip_full_from"));
 		}
 	}