I found the error on file:
<apache_dir>/protected/runtime/cron.log
and the application.log is empty
2018/12/22 10:18:37 [error] [exception.CException] exception 'CException' with message 'Property "Call.sessionid" is not defined.' in /var/www/html/mbilling/yii/framework/base/CComponent.php:173
Stack trace:
#0 /var/www/html/mbilling/yii/framework/db/ar/CActiveRecord.php(159): CComponent->__set('sessionid', 'SIP/IPCORP_TRON...')
#1 /var/www/html/mbilling/protected/components/AGI/DidAgi.php(533): CActiveRecord->__set('sessionid', 'SIP/IPCORP_TRON...')
#2 /var/www/html/mbilling/protected/components/AGI/DidAgi.php(354): DidAgi->call_did_billing(Object(AGI), Object(Magnus), Object(Calc), '80', 'ANSWER')
#3 /var/www/html/mbilling/protected/components/AGI/DidAgi.php(150): DidAgi->call_did(Object(AGI), Object(Magnus), Object(Calc))
#4 /var/www/html/mbilling/protected/components/AGI/DidAgi.php(62): DidAgi->checkDidDestinationType(Object(AGI), Object(Magnus), Object(Calc))
#5 /var/www/html/mbilling/protected/commands/MagnusCommand.php(110): DidAgi->checkIfIsDidCall(Object(AGI), Object(Magnus), Object(Calc))
#6 /var/www/html/mbilling/yii/framework/console/CConsoleCommandRunner.php(67): MagnusCommand->run(Array)
#7 /var/www/html/mbilling/yii/framework/console/CConsoleApplication.php(91): CConsoleCommandRunner->run(Array)
#8 /var/www/html/mbilling/yii/framework/base/CApplication.php(169): CConsoleApplication->processRequest()
#9 /var/www/html/mbilling/agi.php(11): CApplication->run()
#10 {main}