- 行业: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
- Company Profile:
ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the information, entertainment and communications industry.
A commercial service that can extend telephone service to rural areas by replacing the local loop with radio communications. Note: In the BETRS, non-government ultra high frequency (UHF) and very high frequency (VHF) common carrier and the private radio service frequencies are shared.
Industry:Telecommunications
A common carrier offering a limited type of service or serving a limited market.
Industry:Telecommunications
A common carrier switching center in which trunks and/or loops are terminated and switched. Note: In the DOD, "common carrier" is called "commercial carrier. " Synonym switch. Other synonyms end office, exchange, local central office, local exchange, local office, switching center (except in DOD DSN usage,) switching exchange, telephone exchange. 2. A switching unit, in a telephone system which provides service to the general public, having the necessary equipment and operations arrangements for terminating and interconnecting subscriber lines and trunks or trunks only. There may be more than one central office in a building.
Industry:Telecommunications
A common-channel signaling system defined by the CCITT in the 1988 Blue Book, in Recommendations Q. 771 through Q. 774. Note: SS7 is a prerequisite for implementation of an Integrated Services Digital Network (ISDN. ) ***PROPOSED ADDITION***A set of protocols that exchanges information between telecommunication systems and networks for establishing, maintaining, and terminating telephone calls within the PSTN. Note: SS7 is a prerequisite for implementation of an Integrated Services Digital Network (ISDN. ) Signaling System No. 7 is described in ITU-T Recommendations and ANSI American National Standards. This definition is being proposed for addition/change in the ATIS Telecom Glossary by the PRQC. If you have any objections to this acronym being added to the Telecom Glossary, please contact Paul Savitz, PRQC Committee Administrator, via email at psavitz@atis. Org to note your objection. ***
Industry:Telecommunications
A commonly used (but redundant) synonym for material dispersion. See dispersion.
Industry:Telecommunications
A communication cable designed to be placed under the surface of the Earth in a duct system that isolates it from direct contact with the soil.
Industry:Telecommunications
A communication cable manufactured or produced for the purpose of burial in direct contact with the earth.
Industry:Telecommunications
A communication channel of a bandwidth equivalent to twelve or more voice grade channels.
Industry:Telecommunications
A communication device that is connected to the terminals of a circuit.
Industry:Telecommunications
A communication network within a TMN (telecommunications management network) that supports data communication functions (DCFs) normally at reference points q1 and q2. LCNs range from the simple to the complex. LCN examples include point-to-point connections and networks based on star and bus topologies.
Industry:Telecommunications
