Terms related to circuit switched services equipment and providers, including dedicated communications channel definitions and words and phrases about telecommunications.
Browse 260 - DIQ
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- 2600 - 2600 is the frequency in hertz (cycles per second) that AT&T formerly...
- 911 - In the United States, E911 (Enhanced 91 is support for wireless phone u...
- ACD - An Automatic Call Distributor (ACD) is a telephone facility that manage...
- ACTS - ACTS (Automatic Coin Telephone System) is a public coin-operated tele...
- ACTS - Automatic Coin Telephone System (ACTS) is a public coin-operated tele...
- ACTS (Automatic Coin Telephone System)
- addressable call endpoint - A dial peer, also known as ...
- area code - In the North American telephone system, an area code is a t...
- ASR - Automated speech recognition (ASR) is a technology that allows users of...
- audible ring - In a telephone system, an audible ring is the tone th...
- automated speech recognition - Automated speech reco...
- automated speech recognition (ASR) - Automated...
- Automatic Call Distributor - An Automatic Call Distrib...
- Automatic Call Distributor (ACD) - An Automatic ...
- Automatic Coin Telephone System - ACTS (Automatic...
- Automatic Coin Telephone System - Automatic Coin ...
- Automatic Coin Telephone System (ACTS)
- B channel - In the Integrated Services Digital Network (ISDN), the B-ch...
- B-channel - In the Integrated Services Digital Network (ISDN), the B-ch...
- B-channel (bearer channel) - In the Integrated Service...
- B8ZS - B8ZS (bipolar 8-zero substitution, also called binary 8-zero substitu...
- B8ZS (bipolar 8-zero substitution, binary 8-zer...
- Basic Rate Interface - In the Integrated Services Digital Ne...
- Basic Rate Interface (BRI) - In the Integrated Service...
- bearer channel - In the Integrated Services Digital Network (ISDN)...
- Bell operating company - BOC (Bell operating company) is a...
- BER - In telecommunication transmission, the bit error rate (BER) is the perc...
- billions of bits per second - Gbps stands for billion...
- binary 8-zero substitution - B8ZS (bipolar 8-zero subs...
- bipolar 8-zero substitution - B8ZS (bipolar 8-zero su...
- bis - The word (also used as a prefix or suffix) bis, applied to some modem p...
- bit error rate - In telecommunication transmission, the bit error ...
- bit error rate (BER) - In telecommunication transmission, th...
- bit per second - In data communications, bits per second (abbrevia...
- bit robbing - Bit robbing is a technique used in signaling on the T-c...
- bit stuffing - Bit stuffing is the insertion of one or more bits int...
- bit/sec - In data communications, bits per second (abbreviated bps or bit...
- bits per second - In data communications, bits per second (abbrev...
- bits per second (bps or bit/sec) - In data commu...
- black box (black box testing) - A black box is any ...
- BOC - BOC (Bell operating company) is a term for any of the 22 original compa...
- BOC (Bell operating company) - BOC (Bell operating c...
- bps - In data communications, bits per second (abbreviated bps or bit/sec) is...
- BRI - In the Integrated Services Digital Network (ISDN), there are two levels...
- cable head-end - A cable head-end (or headend) is the facility at ...
- call failure rate - The call failure rate (CFR) is the percenta...
- call failure rate (CFR) - The call failure rate (CFR) is ...
- callback - Callback, also known as international callback, is a system f...
- callback (international callback) - Callback, a...
- carrier network - A carrier network is the proprietary network in...
- CCS - The hundred call second -- also known as the centum call second (CCS) -...
- central office - In telephone communication in the United States, ...
- central office (CO) - In telephone communication in the Unite...
- central office exchange service - Centrex (centra...
- centrex - Centrex (central office exchange service) is a service from loc...
- centrex (central office exchange service)
- centum call second - The hundred call second -- also known as ...
- CFR - The call failure rate (CFR) is the percentage of calls to an ISP or any...
- channel - In telecommunications in general, a channel is a separate path ...
- channel 64 - B8ZS (bipolar 8-zero substitution, also called binary 8-z...
- channel bank - A channel bank is a device at a telephone company cen...
- circuit - In electronics, a circuit is a path between two or more points ...
- clear 64 - B8ZS (bipolar 8-zero substitution, also called binary 8-zero ...
- clear channel - B8ZS (bipolar 8-zero substitution, also called bina...
- CLEC - In the United States, a CLEC (competitive local exchange carrier) is ...
- CLEC (competitive local exchange carrier)
- cloud - In telecommunications, a cloud is the unpredictable part of any net...
- CO - In telephone communication in the United States, a central office (CO) is...
- co location - In general, collocation is moving or placing things tog...
- co-location - In general, collocation is moving or placing things tog...
- collocated - In general, collocation is moving or placing things toget...
- collocation - In general, collocation is moving or placing things tog...
- collocation (colocation or co-location)
- colocated - In general, collocation is moving or placing things togethe...
- colocation - In general, collocation is moving or placing things toget...
- competitive local exchange carrier - In the Un...
- computer telephony integration - CTI (computer-tel...
- computer-telephony integration - CTI (computer-tel...
- connection - In telecommunication and computing in general, a connecti...
- CPNI - In the United States, CPNI (Customer Proprietary Network Information)...
- CPNI (Customer Proprietary Network Information)
- CTI - CTI (computer-telephony integration), or sometimes simply "computer tel...
- CTI (computer-telephony integration) - CTI (...
- Customer Proprietary Network Information
- D-channel - In the Integrated Services Digital Network (ISDN), the D-ch...
- dedicated line - A dedicated line is a telecommunications path bet...
- demarc - A demarc (an abbreviation for demarcation point) marks the point ...
- demarc (demarcation point) - A demarc (an abbreviation...
- demarcation point - A demarc (an abbreviation for demarcation p...
- dial peer - A dial peer, also known as an addressable call endpoint, is...
- dial peer (addressable call endpoint) - A d...
- DID - Direct Inward Dialing (DID) is a service of a local phone company (or l...
- digital loop carrier - DLC also is an abbreviation for Data ...
- digital loop carrier (DLC) - DLC also is an abbreviati...
- digital signal X - Digital signal X is a term for the series of ...
- Digital Subscriber Line Access Multiplexer
- Digital Suscriber Line Access Multiplexer
- digital switch - A digital switch is a device that handles digital...
- digital terrestrial television - DTTV (digital ter...