Method and communication apparatus for multimedia color communication between 2G and 3G networks

Method and communication apparatus for multimedia color communication between 2G and 3G networks

  • CN 101,494,842 A
  • Filed: 03/20/2009
  • Published: 07/29/2009
  • Est. Priority Date: 03/20/2009
  • Status: Active Application
First Claim
Patent Images

1. , the method for color bell intercommunication between a kind of 2G and 3G network is characterized in that, comprising:

  • If the calling terminal of this calling is for inserting the terminal of 3G network, terminal called is for inserting the terminal of 2G network, and described terminal called has customized Multimedia Ring Back Tone service, then indicate described calling terminal to switch to multimedia mode, and indication multimedia audible ringing tone CAT server is to described calling terminal transmitting multimedia CRBT;

    Behind described terminal called off-hook, discharge described CAT server, and indicate described calling terminal to switch to speech pattern.

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