Bit robbing, used for transmitting signaling information, is the practice or technique of preempting at regular intervals one time slot that is associated with the given user channel for which signaling is required and is used primarily for transporting encoded speech via that channel. Bit robbing is used in digital carrier systems. Telecommunication In telecommunication, the term signaling has the following meanings: The use of signals for controlling communications. ... Information is a term with many meanings depending on context, but is as a rule closely related to such concepts as meaning, knowledge, instruction, communication, representation, and mental stimulus. ... Time Division Multiple Access (TDMA) is a technology for shared medium (usually radio) networks. ... For the geographical meanings of this word, see channel (geography). ... A digital system is one that uses discrete values rather than a continuous spectrum of values: compare analog. ... Carrier has several different meanings: in telecommunication, a carrier wave in biology, an asymptomatic carrier or a carrier-protein the Carrier tribe, a First Nations tribe living in British Columbia, Canada; also the name of their Athabaskan language a common carrier, a transport business (shipping or telecom) an aircraft carrier...

Bit robbing is an option used in T-carrier-compatible networks, e.g. ISDN . A bit (abbreviated b) is the most basic information unit used in computing and information theory. ... In telecommunications, T-carrier is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America and Japan. ... An ISDN Telephone Integrated Services Digital Network (ISDN) is a type of circuit switched telephone network system, designed to allow digital (as opposed to analog) transmission of voice and data over ordinary telephone copper wires, resulting in better quality and higher speeds, than available with analog systems. ...

In conventional T-carrier systems, bit robbing uses, in every sixth frame, the least significant bit in the time slot associated with the voice channel, e.g. Channel Associated Signaling (CAS), or speech digit signaling. In telecommunications, a frame is a packet which has been encoded for transmission over a particular link. ... Channel Associated Signaling CAS signaling is a form of digital communication signaling. ...

References

Federal Standard 1037C Federal Standard 1037C entitled Telecommunications: Glossary of Telecommunication Terms is a U.S. Federal Standard, issued by the General Services Administration pursuant to the Federal Property and Administrative Services Act of 1949, as amended. ...