H Przybysz - US Patent 8,599,833, 2013 - freepatentsonline.com
A system, method, and Proxy Call/Session Control Function (P-CSCF) for transporting signaling connectivity status information relating to a signaling connection between a …
H Przybysz - US Patent App. 12/446,646, 2009 - Google Patents
US20090268723A1 - Methods and Apparatuses for Transporting Signalling Connectivity Status Information Relating to the Signalling Connection Between a Terminal and P-CSCF in IMS …
H Przybysz - US Patent App. 12/446,646, 2009 - freepatentsonline.com
A system, method, and Proxy Call/Session Control Function (P-CSCF) for transporting signaling connectivity status information relating to a signaling connection between a …