audible tones

См. также в других словарях:

• audible signal control —    A feature that allows attendants or users to set the volume of telephone set signals, such as tones and bells …   IT glossary of terms, acronyms and abbreviations

• call progress tones —    Audible signals returned to the station user by the switching equipment to indicate the status of a call; dial tones and busy signals are common examples …   IT glossary of terms, acronyms and abbreviations

• Continuous Tone-Coded Squelch System — In telecommunications, Continuous Tone Coded Squelch System or CTCSS is a circuit that is used to reduce the annoyance of listening to other users on a shared two way radio communications channel. It is sometimes called tone squelch. Where more… …   Wikipedia

• CTCSS — In telecommunications, Continuous Tone Coded Squelch System or CTCSS is a circuit that is used to reduce the annoyance of listening to other users on a shared two way radio communications channel. Where more than one user group is on the same… …   Wikipedia

• Motorola Minitor — Front view of the Minitor V pager. The Motorola Minitor is a portable, analog, receive only, voice pager typically carried by fire, rescue, and EMS personnel (both volunteer and paid) to alert of emergencies. The Minitor, slightly smaller than a… …   Wikipedia

• telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

• Subaudible tone — For the use of subaudible tones in Two way radio see: CTCSS A subaudible tone is a tone that is used to trigger an automated event at a radio station. A subaudible tone is not inaudible; however, it is usually at a low level that is not… …   Wikipedia

• Radar warning receiver — Typically fitted to military aircraft, radar warning receivers (RWR) detect the radio emissions of radar systems, whether ground based or on board other aircraft. The system is often capable of classifying the source of the radar by type (Pulsed… …   Wikipedia

• Filmstrip — Filmstrips were a common form of instructional multimedia used by instructors in both primary schools and secondary (K 12) schools. Often entertaining, filmstrips were popular with students and teachers because they provided an easy and… …   Wikipedia

• Selcall — Listen filename=CCIR 04221.ogg title=SelCall description=Example of a CCIR format call. format=Ogg: For the similarly named system used in aviation, see SELCAL. Selcall (selective calling) is a type of squelch protocol used in radio… …   Wikipedia

• Call-progress tone — In telephony, call progress tones are audible tones sent from the PSTN or a PBX to calling parties to indicate the status of phone calls. Equipment such as fax machines and modems are designed to recognise dial tones and busy tones.The ITU T… …   Wikipedia