diff --git a/sql/ami_mariadb.sql b/sql/ami_mariadb.sql
index 3e86c78..ce078a3 100644
--- a/sql/ami_mariadb.sql
+++ b/sql/ami_mariadb.sql
@@ -140,6 +140,8 @@ CREATE TABLE `channel` (
   `peer_id` bigint(20) DEFAULT NULL,
   `queue_id` bigint(20) DEFAULT NULL,
   `name` varchar(128) NOT NULL,
+  `uniqueid` varchar(160) NOT NULL,
+  `linkedid` varchar(160) NOT NULL,
   `channel_state` int(11) NOT NULL DEFAULT 0,
   `channel_state_desc` varchar(16) DEFAULT NULL,
   `caller_id_num` varchar(64) DEFAULT NULL,
@@ -149,8 +151,6 @@ CREATE TABLE `channel` (
   `account_code` varchar(32) DEFAULT NULL,
   `context` varchar(100) DEFAULT NULL,
   `priority` int(10) unsigned DEFAULT NULL,
-  `uniqueid` varchar(160) NOT NULL,
-  `linkedid` varchar(160) NOT NULL,
   `chn_id_ref` bigint(20) DEFAULT NULL,
   `follow_ch_id` bigint(20) unsigned DEFAULT NULL,
   `transfer_from_chn_id` bigint(20) unsigned DEFAULT NULL,
diff --git a/sql/queries_for_visual_debugging.sql b/sql/queries_for_visual_debugging.sql
index 7f47f89..ef659b4 100644
--- a/sql/queries_for_visual_debugging.sql
+++ b/sql/queries_for_visual_debugging.sql
@@ -4,18 +4,17 @@
 -- Informações das calls
 SELECT
     c.call_uniqueid AS call_name,
-    p.callerid_number AS peer_name,
-    ch.name AS channel_name,
-    cm.number,
-    cm.calling_queue
-FROM
-    call_member cm
-LEFT JOIN
-    `call` c ON cm.call_id = c.id
-LEFT JOIN
-    peer p ON cm.peer_id = p.id
-LEFT JOIN
-    channel ch ON cm.channel_id = ch.id;
+    c.call_type,
+    c.init_date, 
+    ch1.name AS caller_channel,
+    ch2.name AS callee_channel,
+    p1.callerid_number AS caller_peer,
+    p2.callerid_number AS callee_peer
+FROM `call` AS c
+LEFT JOIN channel AS ch1 ON c.caller_channel_id = ch1.id
+LEFT JOIN channel AS ch2 ON c.callee_channel_id = ch2.id
+LEFT JOIN peer AS p1 ON ch1.peer_id = p1.id
+LEFT JOIN peer AS p2 ON ch2.peer_id = p2.id
 
 -- Visualizar bridges e pontes 
    SELECT
diff --git a/src/frame/bridge_frame.c b/src/frame/bridge_frame.c
index d2de4d2..9c1f37a 100644
--- a/src/frame/bridge_frame.c
+++ b/src/frame/bridge_frame.c
@@ -177,23 +177,23 @@ struct s_list_bridge_member *create_bridge_member(){
 	return bridge_member;
 }
 
-int insert_bridge_member( const char *bridge_uniqueid, struct s_list_bridge_member *next ){
+int insert_bridge_member( const char *bridge_uniqueid, struct s_list_bridge_member *bridge_member ){
 	struct s_list_bridge *bridge = get_bridge( bridge_uniqueid );
 	if(!bridge){ return -1;}
 
 	struct s_list_bridge_member **BM = &bridge->bridge_member ;
-	LAST_NODE( BM, next );
+	LAST_NODE( BM, bridge_member );
 
 	return 0;
 }
 
-struct s_list_bridge_member *get_bridge_member( const char *bridge_uniqueid, const char *uniqueid ){
+struct s_list_bridge_member *get_bridge_member( const char *bridge_uniqueid, const char *channel_uniqueid ){
 
 	struct s_list_bridge *bridge = get_bridge( bridge_uniqueid );
 	if(!bridge){ return NULL; }
 
 	struct s_list_bridge_member **BM = &bridge->bridge_member ;
-	SEARCH_NODE( BM, uniqueid, uniqueid );
+	SEARCH_NODE( BM, uniqueid, channel_uniqueid );
 
 	return NULL;
 }
diff --git a/src/frame/bridge_frame.h b/src/frame/bridge_frame.h
index 71fb5a3..7823106 100644
--- a/src/frame/bridge_frame.h
+++ b/src/frame/bridge_frame.h
@@ -98,9 +98,9 @@ int verify_bridge_transfer( const char *bridge_uniqueid );
 
 struct s_list_bridge_member *create_bridge_member();
 
-int insert_bridge_member( const char *bridge_uniqueid, struct s_list_bridge_member *next );
+int insert_bridge_member( const char *bridge_uniqueid, struct s_list_bridge_member *bridge_member );
 
-struct s_list_bridge_member *get_bridge_member( const char *bridge_uniqueid, const char *uniqueid );
+struct s_list_bridge_member *get_bridge_member( const char *bridge_uniqueid, const char *channel_uniqueid );
 
 int remove_bridge_member( const char *bridge_uniqueid, const char *uniqueid );
 
diff --git a/src/parse_events.h b/src/parse_events.h
index 54e06a0..3943a68 100644
--- a/src/parse_events.h
+++ b/src/parse_events.h
@@ -25,7 +25,7 @@
 #include <main.h>
 #include <ami_c.h>
 
-/* Obtém o valor do "argumento" em um evento. 
+/* Obtém o valor de um "argumento" que sempre existirá em um evento. 
 * Requer as estruturas s_manager e EVENT
 * Deve-se ter um fail: na função
 * Formato: ("NomeDoArgumentoNoAMI", variavel) */
@@ -33,7 +33,13 @@
 value = ami_get_value(smanager->ami, event->args, argument); \
 if(!value){ FAIL("Erro na função %s na obtenção do valor do argumento "argument" do evento", __func__);}
 
-/* Obtém o valor inteiro do "argumento" em um evento. 
+/* Obtém o valor de um "argumento" que nem sempre existirá em um evento. 
+* Requer as estruturas s_manager e EVENT
+* Formato: ("NomeDoArgumentoNoAMI", variavel) */
+#define GET_EVENT_OPTIONAL_ARGUMENT_VALUE(argument, value) \
+value = ami_get_value(smanager->ami, event->args, argument); \
+
+/* Obtém o valor de um "argumento" em um evento e o converte para um integer. 
 * Requer as estruturas s_manager e EVENT
 * Formato: ("NomeDoArgumentoNoAMI", variavel) */
 #define GET_EVENT_ARGUMENT_INTEGER_VALUE(argument, value) \