Inventor
SHERIF MOSTAFA HASHEM
US5 patents
Patents
5 patentsUS6400723B1Jun 4, 2002
Multiplexing system and method for integrated voice and data transmission on network
AT & T CORP12 citations72
US6427007B1Jul 30, 2002
System and method for completing a call while at least one call is established using analog interface to telephone network
AT & T CORP2 citations52
US7570652B1Aug 4, 2009
Systems and methods for handling frame discard indication within cell-based data communication networks
AT & T CORP4 citations51
US6539086B2Mar 25, 2003
System and method for completing two calls using analog interface to telephone network
AT & T CORP0 citations47
US6411695B1Jun 25, 2002
System and method for completing two calls using analog interface to telephone network
AT & T CORP0 citations47