The Hacker's Encyclopedia 1998

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==Phrack Inc.== Volume One, Issue Two, Phile 7 of 9 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ @ @ _ _ _______ @ @ | \/ | / _____/ @ @ |_||_|etal / /hop @ @ __________/ / @ @ /___________/ @ @ Headquarters of Phrack Newsletter @ @ @ @ (314) 432-0756 @ @ @ @ Proudly Presents @ @ @ @ MCI Overview @ @ @ @ Written on 11/16/85 @ @ @ @ by @ @ @ @ Knight Lightning & Taran King @ @ @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ MCI Communications Corporation, headquartered in Washington, D.C., provides a full range of domestic and international telecommunications services, including voice and data, telex and cable, paging and mobile telephone, and time sensitive message delivery. Since its founding in 1968, MCI has grown to more than $1.6 billion in annual sales and serves more than 1.9 million business, residential and government customers through its four major business units: MCI Telecommunications MCI Airsignal MCI International MCI Digital Information Services MCI TELECOMMUNICATIONS ---------------------- MCI Telecommunications provides domestic interstate long distance service throughout all 50 states, plus Puerto Rico, the U.S. Virgin Islands, and major calling areas of Canada. It is also authorized to provide varying degrees of intrastate long distance service in some states. MCIT also is the first long distance carrier other than AT&T to offer direct dial service overseas. International telephone service is available to all residential and commercial customers (with the exception of Private Line customers). In October, 1984 the first international service agreements were announced with the following countries: Argentina, Belgium, Brazil, East Germany, Greece, United Arab Emirates, and the United Kingdom. Total capital investment in MCI's long distance network is approximately $2 billion. MCI's network, the second largest in the U.S., employs microwave optical fiber, satellite and various digital transmission technologies. Subscribers - Domestic Long Distance (as of 10/84) ----------- ---------------------- Residential 1.4 million Commercial .3 million Total 1.7 million Operations - (as of 10/84) Network Miles 20,543 (microwave, optical fiber, satellite) Circuits 238,000 Employees 9,500 (full-time, approx.) MCI AIRSIGNAL ------------- MCI Airsignal provides personal message delivery and car telephone services. MCI Message Service is offered in more than 50 metropolitan areas. In 1984, service will commence in New York City, Baltimore-Washington, Los Angeles, and Chicago. MCI car telephone service is offered in 20 markets. Personal Message Delivery Service --------------------------------- ALPHANUMERIC MESSAGE SERVICE Displays up to 40-character message using letters and/or numbers. Memory and recall ability. Alerts subscriber with a silent visual alert or a soft tone. DISPLAY MESSAGE SERVICE Displays up to 24-digit message (e.g., phone number, stock quotes, sales figures, coded messages). Memory and recall capability. Alerts customer to message with a silent visual alert or a soft tone. TONE MESSAGE SERVICE Notifies customer of a message with a soft tone. VOICE MESSAGE SERVICE Receives message in actual voice of caller. EXPRESS MESSAGE SERVICE Receives and stores messages. Instantly alerts subscriber via pager when a message is received. Car Telephone Service --------------------- Enables customers to place calls to or receive calls from anywhere in the world, 24 hours a day, as they travel in their cars. With the advent of new cellular technology, both the quality and the accessibility of car telephone service will vastly improve. MCI has thus far obtained franchises to operate a new kind of mobile phone service, cellular telephone, in Minneapolis and Pittsburgh, and has received favorable decisions from FCC administration law judges authorizing service in Los Angeles, Denver-Boulder, and Kansas City. MCI has applied for licenses to provide cellular service in 81 metropolitan areas. MCI Airsignal Branch Sales Offices ---------------------------------- Personal Message Service/Conventional Mobile Phone Service Birmingham (205) 942-2924 Sacramento (916) 444-2350 Memphis (901) 682-9658 Cleveland (216) 464-7311 Dallas (214) 788-5111 Fresno (209) 486-7410 Las Vegas (702) 382-7461 Denver (303) 778-7878 Portland (503) 227-2556 Philadelphia (215) 677-9845 Atlanta (404) 252-2114 West Florida (813) 875-3404 Minneapolis (612) 544-8175 Kansas City (913) 648-8090 Miami (305) 491-0122 Pittsburgh (412) 343-1611 Houston (713) 464-2516 Bakersfield (805) 832-2346 Cellular Telephone Offices Minneapolis-St. Paul (612) 544-3312 Los Angeles (714) 527-0385 Elsewhere in California (800) 344-3455 Headquarters - Washington, D.C. (202) 429-9660 MCI INTERNATIONAL ----------------- MCI International provides private-line voice service to several overseas countries, and data and message services, including telex, cablegram, leased channel, and packet switching communications, to more than 200 overseas points. MCI has moved into two new areas of service: International direct-dial telephone service and international electronic mail and hard-copy delivery services. International Record Services ----------------------------- TELEX SERVICE (domestic and international) permits instantaneous, two-way, written communications with other subscribers worldwide. Customers can send messages at any time, even though the receiving terminal may be unattended. MCI International offers access to its telex service from a variety of terminals and networks; not only subscribers with telex terminals but also those with communicating word processors, data terminals or computers that communicate over telephone lines can take advantage of MCI International telex service. To subscribers connected to its own telex network, MCI International offers World Message Services--a package of communications offerings including telex, cablegram and MCI Mail services. Various service enhancements are available to save time, improve operating efficiency and simplify records keeping for telex users. CABLEGRAM SERVICE, the traditional means of international written communications, offers flexibility in delivery and economical rates for shorter messages. Cablegrams can be delivered to virtually any overseas point. Subscribers with telex terminals or various other types of equipment can access and TELUS cablegram switch and take advantage of such service enhancements as abbreviated addressing and departmental billing. LEASED CHANNEL SERVICE provides an exclusive line between a U.S. firm and it's overseas office for private communications 24 hours a day. Each MCI International leased channel is tailored to meet the needs of a specific customer for teleprinter, facsimile, voice and/or data traffic. For subscribers with several offices requiring private communications with each other, MCI International offers a versatile message-switching service. Voice/data leases can be configured to meet a whole array of communicating needs; for example, one channel might carry data traffic from a computer at night, voice communications during office hours, and simultaneous teleprinter messages at any time. Data channels can handle requirements for traffic at any speed from 1200 bits per second to 1.544 megabits per second. IMPACS SERVICE uses packet-switching technology to provide international communications service between data terminals and computers. Impacs offers on-line, real-time connections and enables many types of incompatible systems to communicate. Impacs service offers virtually error-free transmission because of the error-detection and retransmission capability of the network. INSTALINK SERVICE allows businesses overseas to use regular telex equipment to access remote computing systems and databases in the U.S. Subscribers can retrieve data from a computer-based information service or use a computing system connecting to a packet-switching network in the U.S. INTERNATIONAL FACSIMILE SERVICE enables subscribers to send duplicates of original documents overseas quickly and efficiently, even when neither the sender nor the receiver has facsimile transmission equipment, or when the sender and receiver have incompatible equipment. DATEL SERVICE provides automatic or voice-coordinated data transmission at speeds up to 2400 bits per second. Either digital or analog facsimile traffic can be transmitted via Datel. Datel facilities are conditioned to ensure high-quality transmission. The MCI International switching center allows communications between incompatible terminals. MARITIME SERVICES provide instant, high--quality contact between ships at sea or offshore rigs, and between these vessels and land-based subscribers worldwide. International Voice Services ---------------------------- PRIVATE LINE SERVICE provides, fast, easy access to a single overseas location at an economical monthly rate. This technically efficient system maximizes the use of line capacity by recognizing idle time and assigning a speaker to a transmission path only when the path is needed. Users can dial a four-digit extension from a regular business phone to reach a key overseas location. International Mail Services --------------------------- WORLD MESSAGE SERVICE subscribers can access the domestic electronic mail and hard-copy delivery offerings of MCI Mail. In addition, MCI International is developing fast, low-cost services that will deliver electronic messages and high-quality printed documents worldwide. Customer Service ---------------- THE CUSTOMER TROUBLE REPORTING ASSISTANCE CENTER at MCI International addresses customer concerns such as equipment maintenance and service performance questions. Customer service specialists, on duty 24 hours a day on business days, answer questions and electronically route service requests to technicians nationwide. MCI DIGITAL INFORMATION SERVICES CORP. -------------------------------------- MCI Digital Information Services, MCI's newest unit, provides high-speed, low-cost, time-sensitive message delivery (MCI Mail), either electronically or via hard copy. MCI Mail provides time-sensitive document delivery to anyone, anywhere vial MCI's long-distance telephone network. MCI Mail can reach a recipient instantly, in four hours or less, or overnight by noon the next day. Prices are as much as 90 percent lower than comparable time-sensitive mail delivery services. MCI Mail can be delivered electronically, terminal to terminal, or laser printed on letterhead stationery with the customer's signature. MCI Mail customers can even order gifts and services direct through MCI Mail, ranging from software and paper for personal computers to investment advisory services to travel specials. There are no sign-up, monthly service charges or "connect time" charges for MCI Mail. MCI Mail can be used by virtually any personal computer, word processor, electronic typewriter, data terminal, telex, or other digital communications device. The service is accessed by a local telephone call or 800 number. MCI Mail -------- INSTANT delivery to an "electronic" mailbox. FOUR-HOUR paper delivery by courier to 17 major metropolitan areas regardless of point of origin. OVERNIGHT paper delivery by courier by noon the next day in 20,000 continental U.S. cities. MCI LETTER transmitted electronically to the MCI digital postal center nearest its destination, then delivered locally by the U.S. Postal Service. TELEX DISPATCH enables MCI Mail subscribers to transmit messages to the more than 1.6 million telex subscribers worldwide. VOLUME MAIL enables customers to send large mailings in a variety of letter formats, at substantial savings in delivery time and expense. =============================================================================== Look for more MCI Files coming to Metal Shop soon! This has been a Knight Lightning Presentation