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Ic |
| Interexchange Carrier - IXC - IEC (IEC is preferred). A company providing long-distance phone service between LECs and LATAs |
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Icb (Individual Case Basis) |
| this is the term generally used to describe specially-authorized, non-standard rate plans for customers |
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Iddd (International Direct Distance Dialing) |
| Sometimes known as International 15-digit Dialing. A feature that allows the subscriber to directly dial international numbers |
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Iden |
| (Integrated Digital Enhanced Network) A Motorola Inc. enhanced specialized mobile radio network technology that combines two-way radio, telephone, text messaging and data transmission into one network. |
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Idf (Intermediate Distribution Frame) |
| A metal rack designed to connect cables running from the main distribution frame to intermediate closets. Changes in wiring are usually done at the IDF to save confusion. The IDF frame supports the wiring to station sets. |
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Iec - Interexchange Carrier |
| A company providing long-distance phone service between LECs and LATAs. |
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Ilec |
| Companies that were providers of local telephone services in defined territories prior to deregulation in 1996. This includes companies such as Ameritech, Bell Atlantic, BellSouth, Pacific Bell, Southwestern Bell, US WEST, GTE, Sprint, SNET and many smaller companies |
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Immunity |
| Immunity has special meaning in a 911 context. No CMRS or 911 provider, its employees, officers or agents is criminally liable or liable for any damages in a civil action for injuries, death or loss to person or property resulting from any act or omission in connection with the development, adoption, implementation, maintenance, enhancement or operation of E911 service, unless such damage or injury was intentional or the result of gross negligence or willful or wanton conduct |
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In (Intelligent Network) |
| A network that allows functionality to be distributed flexibly at the various nodes on and off the network, and allows the architecture to be modified to control various services. |
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In-Territory Service Area |
| A service area in which CenturyTel is the LEC and CenturyTel long distance is also a long distance carrier option. (See Out-of-territory Service Area.) |
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Inbound Calls |
| Calls originating from another telephone to yours. |
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Incoming Calls |
| Calls originating from another telephone to yours. |
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Independent Telephone Companies |
| Telephone companies that provide local service to subscribers and are not affiliated with the Bell Telephone companies. They operate largely in rural areas and small towns. There are approximately 1,400 independent telephone companies. Also called independent Operating Companies (IOC). |
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Induction |
| The process by which an electromagnetic force is produced in a circuit by varying the magnetic field linked with the circuit. |
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Inp-Interim Number Portability |
| Allows a customer to keep the same telephone number regardless of the choice of local telephone carrier, also allows customer to retain special services to which customer is accustomed |
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Inp-Interim Number Portability |
| INP-Interim Number Portability |
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Inside Wire |
| All fixed ground communications-electronics equipment that is permanently located inside buildings. |
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Integrated Services Digital Network |
| (ISDN) Circuits that provide digital transmission in two basic varieties, PRI and BRI. PRI or Primary Rate Interface is the faster of the two at 1.544Mbps. PRI can also be multiplexed into as many 24 voice grade lines. BRI has a speed of 144Kbps and is designed for desktop application |
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Intelsat |
| (International Telecommunications Satellite Consortium) Formed in 1964 with the goal of creating a worldwide satellite system |
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Inter-Office Trunk |
| Trunks that link central offices together |
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Interconnect Facility |
| One or more communications links used to provide local area communications service between or among several locations which, taken as a whole, form a node in the network |
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Interconnect Industry |
| Companies that sell, install and maintain telephone systems (equipment) for subscribers. |
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Interconnection Fee |
| Fee charged by wireline carriers to connect wireless phone calls to the wireline network. |
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Interconnection |
| Connecting one communications network with another. For example, connecting a wireless phone network with the local exchange. |
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Interexchange Carrier |
| A common long that provides services to the public local exchanges on an intra or inter LATA basis in compliance with local or Federal regulatory requirements. |
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Interexchange |
| Communications between points in different exchanges |
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International |
| Refers to all locations outside the continental US, Alaska, Hawaii, Puerto Rico and the Virgin Islands. |
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Interstate Rate |
| the rate for outbound and inbound state to state calls |
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Interstate |
| Refers to calls between points in different states |
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Intralata |
| Communication within a Local Access Transport Area. 1982 MFJ allows LEC to handle these calls without an IEC |
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Ipoc - (Competitive Local Exchange Carrier) |
| Initial Point of Contact |
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Itemized Billing |
| Individual call detail reporting and billing information. |
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