The number called can be within the UAE, the visited country or any other international number (excluding satellite, maritime and premium numbers).
However, video calls are not supported.
Yes, they will be billed in your postpaid account as "Roaming Callback".
The Roaming Callback service is offered by etisalat across 188 countries through more than 600 partner networks. For the list of roaming partners and availability of roaming services, please visit www.etisalat.ae/roaminglist.
Please note that the Roaming Callback service code *145* could be blocked by some of the operators or used for their local services.
You will be notified via a flash message: "Callback cannot be initiated through this operator, please try another one."
No, the service is only allowed while roaming.
No, USSD calls will not be deducted from your roaming pack allowance.