Recorder warning tone
Encyclopedia
In telecommunication
, a recorder warning tone is a tone transmitted over a telephone line
to indicate to the called party
that the calling party
is recording the conversation.
In the US
, the recorder warning tone is a half-second burst of 1400 Hz applied every 15 seconds. The recorder warning tone is required by law to be generated as an integral part of any recording device used for the purpose and is required to be not under the control of the calling party. The tone is recorded together with the conversation.
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...
, a recorder warning tone is a tone transmitted over a telephone line
Telephone line
A telephone line or telephone circuit is a single-user circuit on a telephone communication system...
to indicate to the called party
Called party
The called party is a person who answers a telephone call. The person who initiates a telephone call is the calling party....
that the calling party
Calling party
The calling party is a person who initiates a telephone call over the public switched telephone network, usually by dialing a telephone number....
is recording the conversation.
In the US
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, the recorder warning tone is a half-second burst of 1400 Hz applied every 15 seconds. The recorder warning tone is required by law to be generated as an integral part of any recording device used for the purpose and is required to be not under the control of the calling party. The tone is recorded together with the conversation.
External links
- Recorder warning tone defined in Federal Standard 1037CFederal Standard 1037CFederal Standard 1037C, titled Telecommunications: Glossary of Telecommunication Terms is a United States Federal Standard, issued by the General Services Administration pursuant to the Federal Property and Administrative Services Act of 1949, as amended....