Apparatus and method for realizing main calling set ring back tone based on personalized ring back tone
Apparatus and method for realizing main calling set ring back tone based on personalized ring back tone
- CN 1,314,257 C
- Filed: 04/08/2005
- Issued: 05/02/2007
- Est. Priority Date: 04/08/2005
- Status: Active Grant
- EN CH
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- Pin
