Inventor
XIANG ZENG-JUN
CA3 patents
Patents
3 patentsUS6795444B1Sep 21, 2004
System and method for providing wireless telephony over a packet-switched network
ERICSSON TELEFON AB L M409 citations97
US6574469B1Jun 3, 2003
System and method of minimizing the number of voice transcodings during a conference call in a packet-switched network
ERICSSON TELEFON AB L M89 citations95
US6917613B1Jul 12, 2005
Method of delivering data and real-time media utilizing a packet-switched network and a circuit-switched network
ERICSSON TELEFON AB L M14 citations79