From 145377dd8e5d718867ee11be284f66d3bf4c67fc Mon Sep 17 00:00:00 2001
From: LordPinna <agostinopinna@hotmail.it>
Date: Wed, 12 Aug 2020 18:08:07 +0100
Subject: [PATCH] [mod_verto] Fix modify attended transfer response

---
 src/mod/endpoints/mod_verto/mod_verto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mod/endpoints/mod_verto/mod_verto.c b/src/mod/endpoints/mod_verto/mod_verto.c
index 755af50ac1..342ed8b26e 100644
--- a/src/mod/endpoints/mod_verto/mod_verto.c
+++ b/src/mod/endpoints/mod_verto/mod_verto.c
@@ -3223,7 +3223,7 @@ static switch_bool_t verto__modify_func(const char *method, cJSON *params, jsock
 			}
 
 			if ((b_session = switch_core_session_locate(replace_call_id))) {
-				err = (int) attended_transfer(session, b_session);
+				err = (int) !attended_transfer(session, b_session);
 				if (err) {
 					cJSON_AddItemToObject(obj, "message", cJSON_CreateString("transfer failed"));
 				}