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Circuit switched services equipment and providers

Circuit switched services equipment and providers

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260 - DIQ

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- Direct Inward Dialing - Direct Inward Dialing (DID) is a se...
- Direct Inward Dialing (DID) - Direct Inward Dialing (...
- Direct Outward Dialing - Direct Outward Dialing (DOD) is a...
- Direct Outward Dialing (DOD) - Direct Outward Dialin...
- DLC - DLC also is an abbreviation for Data Link Control.
- DOD - Direct Outward Dialing (DOD) is a service of a local phone company (or ...
- DS (digital signal) levels - Digital signal X is a ter...
- DS0 - Digital signal X is a term for the series of standard digital transmiss...
- DS1 - Digital signal X is a term for the series of standard digital transmiss...
- DS2 - Digital signal X is a term for the series of standard digital transmiss...
- DS3 - Digital signal X is a term for the series of standard digital transmiss...
- DS4 - Digital signal X is a term for the series of standard digital transmiss...
- DSLAM - A DSLAM (Digital Subscriber Line Access Multiplexer) is a network d...
- DSLAM (Digital Subscriber Line Access Multiplexer)
- DTTV - DTTV (digital terrestrial television, sometimes also abbreviated DTT)...
- DTTV (digital terrestrial television) - DTT...
- duplex - In telecommunication, duplex communication means that both ends o...
- E and M - Ear and mouth (E&M) is a technology in voice over IP (VoIP) tha...
- E&M - Ear and mouth (E&M) is a technology in voice over IP (VoIP) that uses a...
- E-1 - To see the relationship between the E-carrier system, the T-carrier sys...
- E-2 - To see the relationship between the E-carrier system, the T-carrier sys...
- E-3 - To see the relationship between the E-carrier system, the T-carrier sys...
- E-4 - To see the relationship between the E-carrier system, the T-carrier sys...
- E-5 - To see the relationship between the E-carrier system, the T-carrier sys...
- E-carrier system - To see the relationship between the E-carrier...
- E.164 - E.164 is an international numbering plan for public telephone syste...
- E1 - To see the relationship between the E-carrier system, the T-carrier syste...
- E1, E2, E3... - To see the relationship between the E-carrier syste...
- E2 - To see the relationship between the E-carrier system, the T-carrier syste...
- E3 - To see the relationship between the E-carrier system, the T-carrier syste...
- E4 - To see the relationship between the E-carrier system, the T-carrier syste...
- E5 - To see the relationship between the E-carrier system, the T-carrier syste...
- E911 - In the United States, E911 (Enhanced 91 is support for wireless phone...
- E911 (Enhanced 911) - In the United States, E911 (Enhanced 91...
- ear and mouth - Ear and mouth (E&M) is a technology in voice over I...
- ear and mouth (E&M) - Ear and mouth (E&M) is a technology in ...
- electronic program guide - An electronic program guide (...
- electronic program guide (EPG) - An electronic pro...
- Electronic Worldwide Switch Digital - EWSD (E...
- enhanced 911 - In the United States, E911 (Enhanced 91 is support fo...
- EPG - An electronic program guide (EPG) is an application used with digital s...
- erlang - The Erlang programming language is not the same thing as the erla...
- EWSD - EWSD (Electronic Worldwide Switch Digital, or, in German, Elektronisc...
- EWSD (Electronic Worldwide Switch Digital)
- fabric - In information technology, fabric is a synonym for the words fram...
- fax - A fax (short for facsimile and sometimes called telecopying) is the tel...
- FDDI - FDDI (Fiber Distributed Data Interface) is a set of ANSI and ISO stan...
- FDDI (Fiber Distributed Data Interface)
- FDM - Frequency-division multiplexing (FDM) is a scheme in which numerous sig...
- Feature Group D - FG-D (Feature Group D) is a type of telecommuni...
- FG D - FG-D (Feature Group D) is a type of telecommunication trunk used to p...
- FG-D - FG-D (Feature Group D) is a type of telecommunication trunk used to p...
- FG-D (Feature Group D) - FG-D (Feature Group D) is a type ...
- Fiber Distributed Data Interface - FDDI (Fiber D...
- fractional T-1 - A fractional T1 or T3 line is a T1 or T3 digital ...
- fractional T1 - A fractional T1 or T3 line is a T1 or T3 digital ph...
- frame - See frames for the use of multiple Web pages on a single display sc...
- Freephone - In the U.K., Freephone is a type of Number Translation Serv...
- frequency division multiplexing - Frequency-divis...
- frequency shift keying - Frequency-shift keying (FSK) is a...
- frequency-division multiplexing - Frequency-divis...
- frequency-division multiplexing (FDM) - Fre...
- frequency-shift keying - Frequency-shift keying (FSK) is a...
- frequency-shift keying (FSK) - Frequency-shift keyin...
- FSK - Frequency-shift keying (FSK) is a method of transmitting digital signals.
- G.703 - G.703 is a CCITT standard for transmitting voice over digital carri...
- Gbps - Gbps stands for billions of bits per second and is a measure of bandw...
- Gbps (billions of bits per second) - Gbps stan...
- gigaflop - As a measure of computer speed, a gigaflop is a billion float...
- half duplex - Half-duplex data transmission means that data can be tr...
- half-duplex - Half-duplex data transmission means that data can be tr...
- head-end - A cable head-end (or headend) is the facility at a local cabl...
- headend - A cable head-end (or headend) is the facility at a local cable ...
- Hierarchical Mobile IPv6 - Hierarchical Mobile IPv6 (HMI...
- Hierarchical Mobile IPv6 (HMIPv6) - Hierarchica...
- HMIPv6 - Hierarchical Mobile IPv6 (HMIPv6) is the proposed enhancement of ...
- hop off - Hop off is a term used in telecommunications that refers to a p...
- hopoff - Hop off is a term used in telecommunications that refers to a poi...
- hundred call second - The hundred call second -- also known a...
- hundred call second or centum call second (CCS)
- ILEC - An ILEC (incumbent local exchange carrier) is a telephone company in ...
- ILEC (incumbent local exchange carrier)
- IN - Intelligent Network (IN) is a telephone network architecture originated b...
- in-band signaling - In the public switched telephone network, (...
- incumbent local exchange carrier - An ILEC (incu...
- Intelligent Network - Intelligent Network (IN) is a telephone...
- Intelligent Network (IN) - Intelligent Network (IN) is a...
- interexchange carrier - An interexchange carrier (IXC) is a...
- interexchange carrier (IXC) - An interexchange carrie...
- international callback - Callback, also known as internati...
- international private leased circuit - An IP...
- IP PBX - An IP PBX is a private branch exchange (telephone switching syste...
- IP PBX (private branch exchange) - An IP PBX is ...
- IP-PBX - An IP PBX is a private branch exchange (telephone switching syste...
- IP/PBX - An IP PBX is a private branch exchange (telephone switching syste...
- IPLC - An IPLC (international private leased circuit) is a point-to-point pr...
- IPLC (international private leased circuit)
- IPPBX - An IP PBX is a private branch exchange (telephone switching system ...
- isochronous - In information technology, isochronous (from the Greek ...
- IXC - An interexchange carrier (IXC) is a telephone company that provides con...
- jitter - In voice over IP (VoIP), jitter is the variation in the time betw...
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