Interactive Reverse Ringback Tone
Interactive reverse ringback tones (IRRBT) are the same as normal RBTs but have interactive functionalities and are targeted to the person who sets the RBT. IRRBTs are heard on the telephone line by the caller who sets the IRRBT while the phone they are calling is ringing.
Unlike the RBT, the IRRBT is generated in the nearest switch and transmitted in-band, so the IRRBT will take precedence if both are configured.
WiderThan, a South Korean wireless services provider, invented this type of ringback tones for cellphone networks. CRBT (Coloring Ring back tones) are pieces of music and audio clips that callers hear instead of normal ringing tone when they dial a specific number. The original service first premiered by South Korean operator SK Telecom in April 2002. Ringback tones were launched in Europe and North America in 2003 and 2004 respectively.
Social network ringback tones provide interactive social network content to subscribers. Mixcess is the first platform (social network) using IRRBTs in the United States. The IRRBT was developed by Ring Plus, Inc. (U.S. Patent No. 7,227,929 invented by Karl Seelig, et al.). The IRRBT can be used to share videos, music and messages from friends.
Read more about this topic: Ringback Tone
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