use kamailio;

ALTER TABLE `acc` DROP COLUMN `time_hires`;

use accounting;

ALTER TABLE `acc` DROP COLUMN `time_hires`;

ALTER TABLE `cdr` ADD COLUMN `t3mp_start_time` timestamp NOT NULL default '0000-00-00 00:00:00' AFTER `start_time`;
     UPDATE `cdr` SET t3mp_start_time=FROM_UNIXTIME(start_time);
ALTER TABLE `cdr` DROP COLUMN `start_time`; 
ALTER TABLE `cdr` CHANGE COLUMN `t3mp_start_time` `start_time` timestamp NOT NULL default '0000-00-00 00:00:00';

ALTER TABLE `cdr` MODIFY `duration` int(10) unsigned NOT NULL;