Inventor
CALLAGHAN ROBERT
US2 patents
Patents
2 patentsUS6904041B1Jun 7, 2005
System and method for communication domains and subdomains in zones of real time communication systems
SIEMENS COMM INC8 citations70
US7496924B2Feb 24, 2009
Dispatching messages among registered software modules in telecommunications system including telephony internet server coupled between packet network and PBX
SIEMENS COMM INC2 citations55