Junqing Bai

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Shen-Zhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and networking architecture for implementing service voice d...
- Patent number 7,133,505
- Issue date Nov 7, 2006
- Huawei Technologies Co., Ltd.
- Yihua Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and networking architecture for implementing service voice d...
- Publication number 20030179873
- Publication date Sep 25, 2003
- Yihua Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE