P
PatentIndex
Search
Landscape
Sign in
Inventor
WEI XUESONG
CN
2 patents
Patents
2 patents
US8494499B2
Jul 23, 2013
System and method for achieving call back service
WEI XUESONG
1 citations
38
US9042249B2
May 26, 2015
Method and apparatus for processing voice call
WEI XUESONG
0 citations
30