In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. The size of the commission fee for the transfer is charged according to the Western Union tariffs and depends on the amount of money sent. The Western Union Company is a leader in global payment services In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone.