- Industry: 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 condition which permits the simultaneous transmission in both directions over a channel, but it is not possible to insure independent information transmission in both directions. Effective 2-wire channels may be terminated with 2-wire or 4-wire interfaces.
Industry:Telecommunications
A condition which permits the simultaneous independent transmission of information in both directions over a channel. The method of implementing effective 4-wire transmission is at the discretion of the Access Service Provider (physical, time domain, frequency-domain separation or echo cancellation techniques. )
Industry:Telecommunications
The frequency weighted average noise within an idle voice channel. The frequency weighting, called C-message, is used to simulate the frequency characteristic of the 5OO-type telephone set and the hearing of the average subscriber.
Industry:Telecommunications
The C-message frequency weighted noise on a voice channel with a holding tone, which is removed at the measuring end through a notch (very narrow band) filter.
Industry:Telecommunications
The transmission of the switch trunk equipment supervisory signal (off-hook or on-hook) to the customer's point of termination, typically as an indication that the called or calling party has answered or disconnected.
Industry:Telecommunications
The ten-digit (NPA-NXX-XXXX) number assigned to a switch/POI used for routing in a permanent local number portability environment. See "Administrative Numbers" definition.
Industry:Telecommunications
The Telecommunication Standardization Sector of the International Telecommunication Union (ITU. ) Note 1: ITU-T is responsible for studying technical, operating, and tariff Questions and issuing Recommendations on them, with the goal of standardizing telecommunications worldwide. Note 2: In principle, the ITU-T combines the standards-setting activities of the predecessor organizations formerly called the International Telegraph and Telephone Consultative Committee (CCITT) and the International Radio Consultative Committee (CCIR. )
Industry:Telecommunications
The technical body that oversees the development of the Internet suite of protocols (commonly referred to as "TCP/IP",) and that has two task forces (the Internet Research Task Force and the Internet Engineering Task Force,) each charged with investigating a particular field.
Industry:Telecommunications
The TCP/IP standard network virtual terminal protocol that is used for remote terminal connection service and that allows a user at one site to interact with systems at other sites as if that user terminal were directly connected to computers at those sites.
Industry:Telecommunications
The suite of interrelated protocols associated with Transmission Control Protocol/Internet Protocol. Note 1: The TCP/IP Suite includes, but is not limited to, protocols such as TCP, IP, UDP, ICMP, FTP, and SMTP. Note 2: Additional application and management protocols are sometimes considered part of the TCP/IP Suite. This includes protocols such as SNMP.
Industry:Telecommunications