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Ring back notification system and method therefor

  • US 20070263604A1
  • Filed: 03/10/2006
  • Published: 11/15/2007
  • Est. Priority Date: 03/10/2006
  • Status: Abandoned Application
First Claim
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1. An IP phone ring back notification system with a caller and a receiver communicating with each other in an IP network through the respective connected nodes, the system comprising:

  • a ring back request module, which sends out a request message for starting a ring back notification function when the receiver'"'"'s network is busy;

    a ring back notification module, which sends out a ring back notification when the receiver'"'"'s network is idle;

    a server in the IP network, which is used to receive the request message for starting the ring back notification function, sets a ring back notification tag, and sends the ring back notification to the caller'"'"'s node associated with the caller in accordance with the ring back notification tag; and

    a detection module, which is used to recurrently detect the status of the receiver'"'"'s network.

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