OIGAA Mobile App is a free application available to users of professional telephony services in the cloud OIGAA. OIGAA Mobile App allows GSM calls without cost and without changing operator from any device with an Internet connection.Thanks to OIGAA Mobile App, users of services OIGAA have a solution to make outgoing calls from your mobile to landline and mobile device Spain and 29 countries at no additional cost, since they are paid by flat rate service OIGAA hired.With OIGAA Mobile App, companies reduce mobile phone costs, and employees gain mobility and comfort.Service available to customers of telephone services in the cloud OIGAA of VozTelecom only.