Hotel Pennsylvania The hotel has the distinction of having the New York phone number in longest continuous use. The number, Pennsylvania 6-5000 (212-736-5000), is the inspiration for the Jerry Gray composition of the same name (with lyrics later added by Carl Sigman). The most popular version was performed by Glenn Miller, with the Andrews Sisters' version not far behind. The Cafe Rouge was originally the main restaurant in the Hotel Pennsylvania. It served as a nightclub for many years, but now operates as a separate venue from the hotel entirely, as a multi-purpose space. It is the only space in the hotel
Telephone number mapping ENUM enabled agent and indicates what item of information he is looking for (email address, telephone number, web address, etc.) in the PC or terminal the number is converted to a domain name. This is sent to ENUM servers on the Internet, which send back the NAPTR records associated with the name. The access information and any priority indicated for them are stored in these. The user gets the requested address back on his PC or terminal. ENUM therefore in fact functions as a mechanism for translating a telephone number into a domain name with the requested address or number