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.
jet blue checked-in baggage. Passengers can check items of luggage into the hold, with each bag measuring no more than 62 inches (157.48c m) in total dimensions and weighing no more than 50 lbs (22.68 kg). The first item of checked luggage is free of charge on Blue Plus and Blue Flex fares, but $20 online on Blue fares.