867-5309/Jenny

The lyrics imply that 867-5309 was the real phone number of a girl named Jenny, acquired from a mens room wall. The song caused a fad of people dialing 867-5309 (then a valid phone number in dozens of area codes) and asking for Jenny. Throughout the song, the singer just keeps thinking about this mysterious Jenny and how happy she makes him. It is more or less implied that the mens' room graffitti featuring her name and number mentioned that she was an "easy lay," and that ...

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867-5309/Jenny, 867-5309/Jenny - Background, 867-5309/Jenny - 867-5309 in popular culture, 867-5309/Jenny - In television, 867-5309/Jenny - In computer games, 867-5309/Jenny - Other sightings, 867-5309/Jenny - Charts

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The phone company began encouraging the producers of television shows and movies to use the 555 prefix for fictional telephone numbers. In older television shows from the 1950s or 1960s, "KLondike 5" or "KLamath 5" was used, as at the time the telephone exchanges used letters. The Simpsons used a variation of this in some of their earlier seasons by having the phone number start out with KL5 (for example, Homer's Mr. Plow business used both KL5-3223 as the Home # and KL5-3226 as the Business #. Barney's Plow King phone # was KL5-4796 in the commercial sung by Linda Ronstadt). On ...

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555 telephone number, 555 telephone number - Fictitious phone numbers, 555 telephone number - Examples, 555 telephone number - Fictitious domain names, 555 telephone number - Real uses of 555 numbers

Read more here: » 555 telephone number: Encyclopedia II - 555 telephone number - Fictitious phone numbers

In the field of telecommunications, a central office or telephone exchange houses equipment that is commonly known as simply a switch, which is a piece of equipment that connects phone calls. It is what makes phone calls "work" in the sense of making connections and relaying the speech information. The term exchange can also be used to refer to an area served by a particular switch. And more narrowly, it can ...

Including:

• Central office - Historic perspective
• Central office - Historic trivia
• Central office - Technologies
• Central office - Manual telephone exchanges
• Central office - Automatic telephone exchanges
• Central office - Telephone switches
• Central office - The switch's place in the system
• Central office - Switch design
• Central office - Switch control algorithms
• Central office - Fully-connected mesh network
• Central office - Clos's nonblocking switch algorithm
• Central office - Fault tolerance
• Central office - Usage

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A related situation is that of the use of domain names in television programs and other popular media: some production companies register the names they use and let them sit dormant, some forget to register them and they are taken advantage of by others, and some actually put active websites there, as a paean to their avid viewers. Examples include: Doctor Who tie-in websites http://www.whatbadgerseat.com/, used by character Lisa Simpson to do research on the Internet. http://www.springfieldisforgaylover ...

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555 telephone number, 555 telephone number - Fictitious phone numbers, 555 telephone number - Examples, 555 telephone number - Fictitious domain names, 555 telephone number - Real uses of 555 numbers

Read more here: » 555 telephone number: Encyclopedia II - 555 telephone number - Fictitious domain names

One million (1,000,000), or one thousand thousand, is the natural number following 999,999 and preceding 1,000,001. 100000 1000000 10000000 In scientific notation, it is written as 106. Physical quantities can also be expressed using the SI prefix mega, when dealing with SI units. For example, 1 megawatt equals 1 000 000 watts. The million is sometimes used in the English language as a metaphor for a very large number, as in "Never in a million years" and "You're one in a mill ...

Including:

• 1000000 number - Selected 7-digit numbers 1000001 - 9999999

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Due to a combination of increasing demand for telephone services (particularly due to widescale adoption of fax and cell phone communications), and the practice of allocating phone numbers in large blocks to companies for issuing, many area codes began to exhaust their supply of available numbers (code "in jeopardy" in telecom jargon), and additional area codes were needed. In general, area codes were added either as "splits" (in which an area code was divided into two or more regions, one retaining the older area code and the other areas re ...

See also:

North American Numbering Plan, North American Numbering Plan - Charges, North American Numbering Plan - History, North American Numbering Plan - Calls to Mexico until 1991, North American Numbering Plan - Expansion of area codes, North American Numbering Plan - Splits and overlays, North American Numbering Plan - Expansion issues, North American Numbering Plan - Cellular services and the NANP numbering scheme, North American Numbering Plan - New area codes, North American Numbering Plan - Fictional telephone numbers, North American Numbering Plan - Future expansion of NANP, North American Numbering Plan - Special numbers and codes, North American Numbering Plan - List of NANPA countries and territories

Read more here: » North American Numbering Plan: Encyclopedia II - North American Numbering Plan - Expansion of area codes

In U.S. and military telecommunication, a digital switch is a switch that performs time-division multiplexing switching of digitized signals. Source: from Federal Standard 1037C and from MIL-STD-188. All switches built since the 1980s are digital, so for practical purposes this is a distinction without a difference. This article describes digital switches, including algorithms and equipment. This article will use the terms: telephone exchange for the building telephone switch for the switching equipment concentrator for the concentrator, whether ...

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Central office, Central office - Historic perspective, Central office - Historic trivia, Central office - Technologies, Central office - Manual telephone exchanges, Central office - Automatic telephone exchanges, Central office - Telephone switches, Central office - The switch's place in the system, Central office - Switch design, Central office - Switch control algorithms, Central office - Fully-connected mesh network, Central office - Clos's nonblocking switch algorithm, Central office - Fault tolerance, Central office - Usage

Read more here: » Central office: Encyclopedia II - Central office - Technologies

A difference between the NANP system and other plans is that apart from area code 600 in Canada, no separate, non-geographical area codes have been created for cellular phones, as is the case in most European and Asian countries, where mobile services are assigned their own prefixes. This means that most North American mobile phones are assigned the same locality-specific codes as landlines, and calls to them are billed at the same rate. Consequently, the caller-pays pricing model adopted in other countries, in which calls to cell pho ...

See also:

North American Numbering Plan, North American Numbering Plan - Charges, North American Numbering Plan - History, North American Numbering Plan - Calls to Mexico until 1991, North American Numbering Plan - Expansion of area codes, North American Numbering Plan - Splits and overlays, North American Numbering Plan - Expansion issues, North American Numbering Plan - Cellular services and the NANP numbering scheme, North American Numbering Plan - New area codes, North American Numbering Plan - Fictional telephone numbers, North American Numbering Plan - Future expansion of NANP, North American Numbering Plan - Special numbers and codes, North American Numbering Plan - List of NANPA countries and territories

Read more here: » North American Numbering Plan: Encyclopedia II - North American Numbering Plan - Cellular services and the NANP numbering scheme

Prior to 1995, all other countries and territories outside the US and Canada, including Puerto Rico and the US Virgin Islands shared the NPA code 809, but were now able to have separate codes. Code (809) is now only used by the Dominican Republic. In 1997 the US Pacific Territories of the Northern Marianas and Guam became part of the NANP, as did American Samoa in October 2004. Bermuda: Until 1995: +1 809 2 ...

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North American Numbering Plan, North American Numbering Plan - Charges, North American Numbering Plan - History, North American Numbering Plan - Calls to Mexico until 1991, North American Numbering Plan - Expansion of area codes, North American Numbering Plan - Splits and overlays, North American Numbering Plan - Expansion issues, North American Numbering Plan - Cellular services and the NANP numbering scheme, North American Numbering Plan - New area codes, North American Numbering Plan - Fictional telephone numbers, North American Numbering Plan - Future expansion of NANP, North American Numbering Plan - Special numbers and codes, North American Numbering Plan - List of NANPA countries and territories

Read more here: » North American Numbering Plan: Encyclopedia II - North American Numbering Plan - New area codes

The North American Numbering Plan Administration (NANPA) is now overseen by NeuStar Inc., who will face the task of adding at least one or two digits to the system within the next 25 years, likely before 2030. During that time, all public and private phone systems on the continent will have to be upgraded and reprogrammed (or even replaced) to recognize the new dialing rules. The plans being considered now add a 1 or 0 to the end of the area code or the beginning of the local 7-digit number (or both), which will require mandatory 10-d ...

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North American Numbering Plan, North American Numbering Plan - Charges, North American Numbering Plan - History, North American Numbering Plan - Calls to Mexico until 1991, North American Numbering Plan - Expansion of area codes, North American Numbering Plan - Splits and overlays, North American Numbering Plan - Expansion issues, North American Numbering Plan - Cellular services and the NANP numbering scheme, North American Numbering Plan - New area codes, North American Numbering Plan - Fictional telephone numbers, North American Numbering Plan - Future expansion of NANP, North American Numbering Plan - Special numbers and codes, North American Numbering Plan - List of NANPA countries and territories

Read more here: » North American Numbering Plan: Encyclopedia II - North American Numbering Plan - Future expansion of NANP

Some common special numbers in the North American system: 0 - Telephone Operator Assistance. 00 - Long Distance Operator Assistance. 011 - International Access Code. (For all destinations outside the NANP) 01 - International Access Code using Operator Assistance. (For all destinations outside the NANP) 10x xxxx - Used to select use of an alternative long distance provider. 211 - Community Information or Social services. (In some cities) 311 - City government or Non-emergency ...

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North American Numbering Plan, North American Numbering Plan - Charges, North American Numbering Plan - History, North American Numbering Plan - Calls to Mexico until 1991, North American Numbering Plan - Expansion of area codes, North American Numbering Plan - Splits and overlays, North American Numbering Plan - Expansion issues, North American Numbering Plan - Cellular services and the NANP numbering scheme, North American Numbering Plan - New area codes, North American Numbering Plan - Fictional telephone numbers, North American Numbering Plan - Future expansion of NANP, North American Numbering Plan - Special numbers and codes, North American Numbering Plan - List of NANPA countries and territories

Read more here: » North American Numbering Plan: Encyclopedia II - North American Numbering Plan - Special numbers and codes

Composite switches are inherently fault-tolerant. If a subswitch fails, the controlling computer can sense it during a periodic test. The computer marks all the connections to the subswitch as "in use". This prevents new calls, and does not interrupt old calls that remain working. As calls are ended, the subswitch then becomes unused. Some time later, a technician can replace the circuit board. The next test succeeds, the connections to the repaired subswitch are marked "not ...

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Central office, Central office - Historic perspective, Central office - Historic trivia, Central office - Technologies, Central office - Manual telephone exchanges, Central office - Automatic telephone exchanges, Central office - Telephone switches, Central office - The switch's place in the system, Central office - Switch design, Central office - Switch control algorithms, Central office - Fully-connected mesh network, Central office - Clos's nonblocking switch algorithm, Central office - Fault tolerance, Central office - Usage

Read more here: » Central office: Encyclopedia II - Central office - Fault tolerance

The first telephone exchange opened in New Haven, Connecticut in 1878. The switchboard was built from "carriage bolts, handles from teapot lids and bustle wire" and could handle two simultaneous conversations (see National Park Service). Later exchanges consisted of one to several hundred plug boards manned by operators. Each operator sat in front of from one to three banks of ¼-inch phone jacks fronted by several rows of phone cords, each of which was the local termination of a phone subscriber line. A calling party (known as the 's ...

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Central office, Central office - Historic perspective, Central office - Historic trivia, Central office - Technologies, Central office - Manual telephone exchanges, Central office - Automatic telephone exchanges, Central office - Telephone switches, Central office - The switch's place in the system, Central office - Switch design, Central office - Switch control algorithms, Central office - Fully-connected mesh network, Central office - Clos's nonblocking switch algorithm, Central office - Fault tolerance, Central office - Usage

Read more here: » Central office: Encyclopedia II - Central office - Historic perspective

Long distance switches may use a slower, more efficient switch-allocation algorithm than central offices, because they have near 100% utilization of their input and output channels. Central offices have more than 90% of their channel capacity unused. While traditionally, telephone switches connected physical circuits (e.g., wire pairs), modern telephone switches use a combination of space- and time-division switching. In other words, each voice channel is represented by a time slot (say 1 or 2) on a physical wire pair (A or B). In ord ...

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Central office, Central office - Historic perspective, Central office - Historic trivia, Central office - Technologies, Central office - Manual telephone exchanges, Central office - Automatic telephone exchanges, Central office - Telephone switches, Central office - The switch's place in the system, Central office - Switch design, Central office - Switch control algorithms, Central office - Fully-connected mesh network, Central office - Clos's nonblocking switch algorithm, Central office - Fault tolerance, Central office - Usage

Read more here: » Central office: Encyclopedia II - Central office - Switch design

Central office - Fully-connected mesh network. One way is to have enough switching fabric to assure that the pairwise allocation will always succeed by building a fully-connected mesh network. This is the method usually used in central office switches, which have low utilization of their resources. Central office - Clos's nonblocking switch algorithm. The scarce resources in a telephone switch are the connections between layers of subswitches. The control logic has to allocate ...

See also:

Central office, Central office - Historic perspective, Central office - Historic trivia, Central office - Technologies, Central office - Manual telephone exchanges, Central office - Automatic telephone exchanges, Central office - Telephone switches, Central office - The switch's place in the system, Central office - Switch design, Central office - Switch control algorithms, Central office - Fully-connected mesh network, Central office - Clos's nonblocking switch algorithm, Central office - Fault tolerance, Central office - Usage

Read more here: » Central office: Encyclopedia II - Central office - Switch control algorithms

Until 1991, calls to some areas of Mexico from the United States and Canada were made using the North American Numbering Plan area codes. For example, to call a number in northwest Mexico and Mexico City before 1991: 1 905 xxx xxxx (Mexico City) 1 706 xxx xxxx (northwest Mexico) From that year, this was discontinued in favor of the international format: 011 52 5 xxx xxxx (Mexico City; now 011 52 55 xxxx xxxx) 011 ...

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North American Numbering Plan, North American Numbering Plan - Charges, North American Numbering Plan - History, North American Numbering Plan - Calls to Mexico until 1991, North American Numbering Plan - Expansion of area codes, North American Numbering Plan - Splits and overlays, North American Numbering Plan - Expansion issues, North American Numbering Plan - Cellular services and the NANP numbering scheme, North American Numbering Plan - New area codes, North American Numbering Plan - Fictional telephone numbers, North American Numbering Plan - Future expansion of NANP, North American Numbering Plan - Special numbers and codes, North American Numbering Plan - List of NANPA countries and territories

Read more here: » North American Numbering Plan: Encyclopedia II - North American Numbering Plan - Calls to Mexico until 1991

In order to facilitate direct dialing calls, the NANP was created and instituted by AT&T, then the U.S. telephone monopoly, in 1947. However, the first customer-dialed calls using area codes did not occur until late 1951. Originally there were 86 codes, with the biggest population areas getting the numbers that took the shortest time to dial on rotary phones. That is why New York City was given 212, Los Angeles given 213, and Chicago 312, while Vermont received 802 (a total of 20 clicks, 8+10+2). Four areas received the then-maximum numb ...

See also:

North American Numbering Plan, North American Numbering Plan - Charges, North American Numbering Plan - History, North American Numbering Plan - Calls to Mexico until 1991, North American Numbering Plan - Expansion of area codes, North American Numbering Plan - Splits and overlays, North American Numbering Plan - Expansion issues, North American Numbering Plan - Cellular services and the NANP numbering scheme, North American Numbering Plan - New area codes, North American Numbering Plan - Fictional telephone numbers, North American Numbering Plan - Future expansion of NANP, North American Numbering Plan - Special numbers and codes, North American Numbering Plan - List of NANPA countries and territories

Read more here: » North American Numbering Plan: Encyclopedia II - North American Numbering Plan - History

867-5309/Jenny - In television. In an episode of Family Guy, when Stewie is trying to reach his mother, the first number he dials is 867-5309. He then says, "Oh, wait, that's not it. Damn you, Tommy Tutone!" In 2004, the song was featured in a TV commercial for Cingular Wireless, which promoted the company's number portability service. Many telephone carriers have refused to assign this number since the advent of this song but it is still valid in some areas. On the American show See also:

867-5309/Jenny, 867-5309/Jenny - Background, 867-5309/Jenny - 867-5309 in popular culture, 867-5309/Jenny - In television, 867-5309/Jenny - In computer games, 867-5309/Jenny - Other sightings, 867-5309/Jenny - Charts

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