MYSQL: Duplicate CDR entries

Asterisk Asterisk Support
6

So I recreated the table with a few extra fields. Not sure if this gives any further visibility on what is happening:

I created this table:

CREATE TABLE `cdr` (
   `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
   `calldate` DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00',
   `clid` VARCHAR(80) NOT NULL DEFAULT '',
   `src` VARCHAR(80) NOT NULL DEFAULT '',
   `dst` VARCHAR(80) NOT NULL DEFAULT '',
   `dcontext` VARCHAR(80) NOT NULL DEFAULT '',
   `lastapp` VARCHAR(200) NOT NULL DEFAULT '',
   `lastdata` VARCHAR(200) NOT NULL DEFAULT '',
   `duration` FLOAT UNSIGNED NULL DEFAULT NULL,
   `billsec` FLOAT UNSIGNED NULL DEFAULT NULL,
   `disposition` ENUM('ANSWERED','BUSY','FAILED','NO ANSWER','CONGESTION') NULL DEFAULT NULL,
   `channel` VARCHAR(50) NULL DEFAULT NULL,
   `dstchannel` VARCHAR(50) NULL DEFAULT NULL,
   `amaflags` VARCHAR(50) NULL DEFAULT NULL,
   `accountcode` VARCHAR(20) NULL DEFAULT NULL,
   `uniqueid` VARCHAR(32) NOT NULL DEFAULT '',
   `userfield` FLOAT UNSIGNED NULL DEFAULT NULL,
   `answer` DATETIME NOT NULL,
   `end` DATETIME NOT NULL,
   PRIMARY KEY (`id`),
   INDEX `calldate` (`calldate`),
   INDEX `dst` (`dst`),
   INDEX `src` (`src`),
   INDEX `dcontext` (`dcontext`),
   INDEX `clid` (`clid`),
)

This is the output from mysql:

mysql> select id,calldate,src,dst,dstchannel,answer,end from cdr;
+----+---------------------+------------+-------------+------------+---------------------+---------------------+
| id | calldate            | src        | dst         | dstchannel | answer              | end                 |
+----+---------------------+------------+-------------+------------+---------------------+---------------------+
|  1 | 2016-03-18 16:41:42 | 1000| 5000 | NULL       | 2016-03-18 16:41:42 | 2016-03-18 16:41:45 |
|  2 | 2016-03-18 16:41:42 | 1000 | 5000 |            | 0000-00-00 00:00:00 | 0000-00-00 00:00:00 |
+----+---------------------+------------+-------------+------------+---------------------+---------------------+

Notice that the dstchannel, answer and end fields are different. Any ideas?