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Martens |
| Mechanized Assignment Records and Telephone Equipment Numbering System. This is a system that maintains plant records and provides a current inventory of all inside and outside plant facilities for local exchange offices. MARTENS is an address-driven system that maintains customer name and address records, and inventories telephone numbers, line equipment, station equipment and cable access points. |
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Matched Nodes |
| A capability of SONET rings to ensure traffic can be re-routed around a failed site. |
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Mdf (Main Distribution Frame) |
| A wiring arrangement where the local exchange central office lines terminate on the customer's premises, usually in the equipment room |
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Measured-Rate Service |
| A plan that charges for each completed outgoing local call. Charges are made based on the call duration and distance between calling points. There may also charges for local calls based on the time, duration and distance of the calls |
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Memory Dialing |
| Feature on some wireless phones that allows multiple phone numbers to be stored in the phone itself for quick dialing by pressing one or two buttons. |
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Menu |
| A list of options that appears on the terminal screen and requires that a selection be made |
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Message Toll Service - Mts |
| Pay-by-the-minute switched long distance services. Includes conventional long distance and measured WATS. |
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Message |
| A loose term identifying a complete transmission. It is sometimes used synonymously with block, and sometimes to mean a group of blocks representing one transmission period. Control information at the beginning is usually referred to as a header; the data portion is normally referred to as the text. |
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Microcells |
| Low-power, low-cost cell sites designed to provide coverage in enclosed spaces, such as offices, subway stations, etc. |
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Microcellular |
| A technology that directs the cellular signal into an isolated spot, leaving broader coverage to conventional cell sites. |
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Microwave |
| Radio waves from 1 to 60 GHz used for point-to-point communications |
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Min |
| (Mobile Identification Number) Uniquely identifies a mobile unit within a wireless carrier's network. The MIN often can be dialed from other wireless or wireline networks. The number differs from the electronic serial number, which is the unit number assigned by a phone manufacturer. MINs and ESNs can be electronically checked to help prevent fraud. |
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Minutes Of Use |
| Duration of a phone call, from start to finish, in minutes. |
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Mobile Telephone Service |
| Transmission over the public switched network of a voice signal that originates an/or terminates at a mobile site. The process involves radio signals transmitted to a centrally located antenna attached to a mobile telephone switch. |
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Modulation |
| The entire process of changing sound into fluctuating electrical current, and fluctuating electrical current back into sound. |
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Monthly Business Line Charge |
| Your phone company may or may not charge this for every business line a subscriber has. |
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Monthly Fee |
| A fixed rate fee charged monthly by your long distance carrier to remain with them irrespective of your call history for that month. |
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Monthly Minimum |
| A minimum of dollar usage of your long distance per month with certain call plans. |
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Mr. B. Cut 28 Report (Mrbcut28) |
| Contains all the service orders and MARTENS orders that were automatically programmed the night before. Checked by service reps and customer service reps each day to make sure all new orders have been processed correctly. |
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Msa |
| (Metropolitan Statistical Area) U.S. Census Bureau term referring to the coverage area of a city as in a wireless phone network. MSAs are the largest metro areas in the U.S. There are 306 MSA in the United States. |
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Multi-Channel Multi-Point Distribution Service |
| MMDS utilizes wireless frequencies licensed by the FCC to transmit data via a wireless network. MMDS enables providers to deploy a fixed wireless network providing broadband Internet and other data services. Customers receive the MMDS signal using a small, digital transceiver placed on their roof with line of sight to the transmitter. The transceiver is pointed toward a radio transmission tower to send and receive a signal. |
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Multi-Line Set |
| Any telephone set that can originate or receive calls on more than one central office line. These lines are accessed by depressing a button or dialing an access code, depending on the system. |
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Multi-Location Billing |
| A service option offered to businesses with multiple locations so that the billing for all locations appears on a single invoice with details and totals per location. |
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Multiplexer |
| A device that combines several communication channels into a single circuit. |
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Multipoint |
| Three or more stations connected to the same facility. It implies that the facility physically goes from one station to another until all are connected. |
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