Inventor

KIM HA-HONG

KR2 patents

Patents

2 patents

US7333472B2Feb 19, 2008

Internet protocol telephony exchange system and call control method thereof

SAMSUNG ELECTRONICS CO LTD33 citations86

US6970720B2Nov 29, 2005

Service apparatus for a public and private mobile communication network

SAMSUNG ELECTRONICS CO LTD0 citations37