A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A ...
In telephony, a special information tone (SIT) is an in-band international standard call progress tone consisting of three rising tones indicating a call has ...
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Portal:Telephones/Selected audio/1 ; Example of a North American dial tone. Duration: 5 seconds.0:05. Listen to a dial tone from North America of 350 Hz + 440 Hz ...
Portal:Telephones/Selected audio/10 ... Listen to last-call return (with a fake NANP number, 987-654-3210), voiced by Pat Fleet. Problems playing this file? See ...
The reorder tone, also known as the fast busy tone, or the congestion tone, or all trunks busy (ATB) tone is an audible call progress tone in the public ...
Portal:Telephones/Selected audio/7 ... Problems playing this file? See media help. 2600 hertz (2600 Hz) is a frequency in hertz (cycles per second) that was used ...
A busy signal (or busy tone or engaged tone) in telephony is an audible call-progress tone or audible signal to the calling party that indicates failure to ...
Wikipedia portal for content related to Telephones / From Wikipedia, the free encyclopedia · Telephony · Telephone numbering plan · Invention of the telephone ...
Portal:Telephones/Selected audio/12 ... A disconnect tone in telephony is a tone provided to the remaining party to a call after the remote party hangs up.
The TeleZapper is a device designed to reduce the number of telemarketing-related phone calls a household receives by imitating the tone signal normally ...