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  2. Ringing tone - Wikipedia

    en.wikipedia.org/wiki/Ringing_tone

    In many cases, the cadence consists of a double ring of 0.4 seconds separated by 0.2 seconds, and a two second pause after which the cadence repeats (0.4s on, 0.2 s off, 0.4 s on, 2 s off). In many cases the tone is a combination of 400 Hz and 450 Hz sine waves.

  3. Ringtone - Wikipedia

    en.wikipedia.org/wiki/Ringtone

    Later, synthesized instruments could be included along with the composition data, which allowed for more varied sounds beyond the built-in sound bank of each phone. Truetone: A truetone , also known as realtone , Jayliar tone , superphonic ringtone, is an audio recording , typically in a common format such as MP3 or AAC .

  4. Ringing (telephony) - Wikipedia

    en.wikipedia.org/wiki/Ringing_(telephony)

    A ring generator or ringing voltage generator is a device which outputs 20 cycle sinusoidal AC at up to 110 volts peak to power bells or annunciators in one or more telephone extensions. [4] The output stops if a handset is taken off the hook. In terminology devised by phone phreaks, a ringing generator is a magenta box.

  5. AOL

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  6. Call-progress tone - Wikipedia

    en.wikipedia.org/wiki/Call-progress_tone

    For example, calling a US phone in Europe may return a European ringback tone or vice versa. Increasingly, networks may opt to play their own domestic tones instead, making roaming seamless. In this case the ringing state is sent by the host network and the tone is generated by the home network.

  7. Category:Songs about telephone calls - Wikipedia

    en.wikipedia.org/wiki/Category:Songs_about...

    At the Sound of the Tone; Austin (Blake Shelton song) ... Had to Phone Ya; Hanging on the Telephone; ... Ring Ring (ABBA song) Ring Ring Ring (Ha Ha Hey) S.

  8. Caller ID - Wikipedia

    en.wikipedia.org/wiki/Caller_ID

    Caller-ID system response sounds in various cases: analog, ISDN and digital PBX Caller identification (Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller's telephone number to the called party's telephone equipment when the call is being set up.

  9. Sound effect - Wikipedia

    en.wikipedia.org/wiki/Sound_effect

    A sound effect (or audio effect) is an artificially created or enhanced sound, or sound process used to emphasize artistic or other content of films, television shows, live performance, animation, video games, music, or other media.