SK Sung, HC Pu, SJ Park - US Patent App. 11/402,107, 2006 - Google Patents
US20060229095A1 - Method and system for performing media storage service in push-to-talk over cellular network - Google Patents US20060229095A1 - Method and system for performing …
S Sung, H Pu, S Park - US Patent 7,738,894, 2010 - freepatentsonline.com
A method is disclosed which sets a PoC Box service and transmits information on a service identifier by using a standard SIP, a SDP, an XCAP, and a PAP, in order to remain …
S Sung, H Pu, S Park - US Patent App. 11/402,107, 2006 - freepatentsonline.com
A method is disclosed which sets a PoC Box service and transmits information on a service identifier by using a standard SIP, a SDP, an XCAP, and a PAP, in order to remain …