
$_FIRST_PERIOD='First period';
$_FIRST_PERIOD_STEP='Step Of first period';
$_NEXT_PERIOD='Next Period';
$_NEXT_PERIOD_STEP='Step of next period';
$_FREE_TIME='Free Time';
$_ROUTES='Routes';
$_GATEWAY='Gateway';
$_NUMBER='Number';


$_ALLOW_ANSWER='Allow answer';
$_ALLOW_CALLS='Allow Calls';