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  2. Disco D - Wikipedia

    en.wikipedia.org/wiki/Disco_D

    From this, Shayman was one of the first to recognize the business potential in composing original ring tone material exclusively for cell phones and collaborated in 2005 with music producer Eddie O'Loughlin, and singer/songwriter Dee Robert in the new mobile music art form to produce original ring tones for Jamba!. [8]

  3. Ringtone - Wikipedia

    en.wikipedia.org/wiki/Ringtone

    A ringtone maker is an application that converts a user chosen song or other audio file for use as a ringtone of a mobile phone. The ringtone file is installed in the mobile phone either by direct cable connection, Bluetooth, text messaging, or e-mail. On many websites, users may create ringtones from digital music or audio.

  4. Ringing tone - Wikipedia

    en.wikipedia.org/wiki/Ringing_tone

    The ETSI tone is also part of GSM mobile standards and can be generated by handsets to indicate ringing, and is frequently used on VoIP and PBX equipment, particularly of European origin. [citation needed] Variations of this tone have been used since the introduction of automatic switching in Europe in the early 20th century.

  5. Red box (phreaking) - Wikipedia

    en.wikipedia.org/wiki/Red_box_(phreaking)

    A red box is a phreaking device that generates tones to simulate inserting coins in pay phones, thus fooling the system into completing free calls.In the United States, a nickel is represented by one tone, a dime by two, and a quarter by a set of five.

  6. Jamba! - Wikipedia

    en.wikipedia.org/wiki/Jamba!

    In late 2004 under Irvin's direction, VeriSign bought Jamba for $270 million. Jamba at the time built mobile applications, games, ringtones and wallpapers, and was also in over 40 countries worldwide. The VeriSign team had recognised that there were twice as many mobile phones as there were computers, which also had built-in computer technology.

  7. Ringing (telephony) - Wikipedia

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

    Ringing is a telecommunication signal that causes a bell or other device to alert a telephone subscriber to an incoming telephone call.Historically, this entailed sending a high-voltage alternating current over the telephone line to a customer station which contained an electromagnetic bell.