audible tone

См. также в других словарях:

• tone decay — the decrease in threshold sensitivity resulting from the presence of a barely audible continuous sound …   Medical dictionary

• 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

• audible ringing tone —    Signal heard by the calling party during the ringing interval …   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

• Ringback tone — A Ring back Tone (RBT), or Audible Ringing Tone or Ring back Signal, is the audible ringing that is heard on the telephone line by the calling party after dialing and prior to the call being answered at the receiving end. This tone assures the… …   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

• Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective …   Wikipedia

• engaged tone — noun An audible signal to the calling party that indicates failure to complete the requested connection; a busy signal …   Wiktionary

• dial tone —    (DT)    An audible signal sent from an automatic switching system to a subscriber or user to indicate that the equipment is ready to receive dial signals …   IT glossary of terms, acronyms and abbreviations

• reorder signal —    Audible tone, faster than a busy signal, that indicates all switching paths needed to connect a call are in use …   IT glossary of terms, acronyms and abbreviations

• 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