Πως να δημιουργήσετε μια εξωτερική επέκταση (Issabel, FreePBX, Elastix, Asterisk)
FreePBX Extensions->Add Extension->Other (Custom) Device Fill fields: User Extension Display Name and dial (in Device Options) like this: Local/externalphonenumber@outbound-allroutes Then click Submit->Apply and you’ re ready!

