Hotel Pennsylvania during the three years of Miller's great popularity as a major bandleader of the Swing Era. Glenn Miller and his Glenn Miller Orchestra broadcast multiple live radio performances from the Café; some were recorded by RCA Victor. Gray, Shaw's principal orchestrator from 1937–39, was immediately hired by Miller as a staff arranger when Shaw deserted his band; it was during Miller's 1940 engagement at the hotel that Gray wrote the popular instrumental tune that immortalized the Hotel's telephone number. The hotel's telephone number appears in the title of one of his best-known songs, "Pennsylvania 6-5000". Les Brown's band, with its
Telephone number mapping Telephone number mapping Telephone number mapping is a system of unifying the international telephone number system of the public switched telephone network with the Internet addressing and identification name spaces. Internationally, telephone numbers are systematically organized by the E.164 standard, while the Internet uses the Domain Name System (DNS) for linking domain names to IP addresses and other resource information. Telephone number mapping systems provide facilities to determine applicable Internet communications servers responsible for servicing a given telephone number using DNS queries. The most prominent facility for telephone number mapping is the E.164 Number to URI Mapping (ENUM) standard. It