DID (DDI) Background. Most businesses have several incoming telephone numbers used for specific purposes. For example customer service, sales, etc. Some have an individual telephone number for each user in the system. In a home setting on the other hand, each telephone number comes in on a different pair of wires typically. This is not practical in a business environment that has many telephone numbers.
Ryanair Hand Luggage and Checked Baggage Allowance. Ryanair allows two pieces of hand luggage per passenger into the aircraft cabin, the absolute maximum dimensions for the main piece are 55cm x 40cm x 20 cm and a small bag like a handbag with a maximum size of 35cm x 20cm x 20cm this includes any wheels and handles.
Ryanair Check-in. Passengers may check-in between 30 days and two hours prior to scheduled departure (remember to bring your boarding pass to the airport; if you forget the fee for re-issuing is Â£15). Passengers who do not wish to select and purchase an allocated seat, can check-in online between 7 days and 2 hours.