+ {
+ 'key' => 'voip-cdr_email_attach',
+ 'section' => 'telephony',
+ 'description' => 'Enable the per-customer option for including CDR information as an attachment on emailed invoices.',
+ 'type' => 'select',
+ 'select_hash' => [ '' => 'Disabled',
+ 'csv' => 'Text (CSV) attachment',
+ 'zip' => 'Zip attachment',
+ ],
+ },
+