Invention Grant
US08571607B1 Streaming ring tones 有权
流铃声

Streaming ring tones
Abstract:
A party is alerted of an incoming telephone call using a caller-selected ring tone or other ring alert, which can be in the form of a data file streamed to the called party's phone as part of the call-setup process. The called party can be presented with options for purchasing the ring alert.
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