A method, system and switch for bidirectional communication of CRBT

A method, system and switch for bidirectional communication of CRBT

  • CN 101,106,603 B
  • Filed: 08/01/2007
  • Issued: 04/17/2013
  • Est. Priority Date: 08/01/2007
  • Status: Active Grant
First Claim
Patent Images

1. a method that realizes the CRBT bilateral is characterized in that, comprises the steps:

  • Receive the call request of caller;

    Judge called whether custom-made color ring;

    If called custom-made CRBT, thenSet up the first passage between color ring server and the caller, described first passage is used for color ring server to the caller coloring ring back tone playing;

    Set up color ring server and called between second channel, described second channel is used for color ring server to the described CRBT of called broadcast;

    By setting up the first passage between described color ring server and the described caller, and set up described color ring server and called between second channel so that caller and calledly before conversation, listen to described CRBT.

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