Inventor
KUNG FEN-CHUNG
US46 patents
⚠️ This page may combine multiple inventors who share the name “KUNG FEN-CHUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
32 patentsUS7289489B1Oct 30, 2007
Method for billing IP broadband subscribers
AT & T CORP345 citations99
US7180889B1Feb 20, 2007
Personal control of address assignment and greeting options for multiple BRG ports
AT & T CORP249 citations99
US7120139B1Oct 10, 2006
Broadband cable telephony network architecture IP ITN network architecture reference model
AT & T CORP360 citations99
US6937713B1Aug 30, 2005
IP call forward profile
AT & T CORP235 citations99
US6917610B1Jul 12, 2005
Activity log for improved call efficiency
AT & T CORP210 citations99
US6889321B1May 3, 2005
Protected IP telephony calls using encryption
AT & T CORP253 citations99
US6826173B1Nov 30, 2004
Enhanced subscriber IP alerting
AT & T CORP469 citations99
US6816469B1Nov 9, 2004
IP conference call waiting
AT & T CORP275 citations99
US6775267B1Aug 10, 2004
Method for billing IP broadband subscribers
AT & T CORP572 citations99
US6775273B1Aug 10, 2004
Simplified IP service control
AT & T CORP166 citations99
US6687360B2Feb 3, 2004
Personal IP follow-me service
AT & T CORP201 citations99
US6680935B1Jan 20, 2004
Anonymous call rejection
AT & T CORP200 citations99
US6678265B1Jan 13, 2004
Local number portability database for on-net IP call
AT & T CORP160 citations99
US6671262B1Dec 30, 2003
Conference server for automatic x-way call port expansion feature
AT & T CORP250 citations99
US6570855B1May 27, 2003
Automatic call manager traffic gate feature
AT & T CORP238 citations99
US6373817B1Apr 16, 2002
Chase me system
AT & T CORP547 citations99
US6252952B1Jun 26, 2001
Personal user network (closed user network) PUN/CUN
AT & T CORP506 citations99
US7075918B1Jul 11, 2006
BRG with PBX capabilities
AT & T CORP84 citations98
US6728239B1Apr 27, 2004
Scaleable network server for low cost PBX
AT & T CORP88 citations98
US6690675B1Feb 10, 2004
User programmable fail-proof IP hotline/warm-line
AT & T CORP98 citations98
US6633635B2Oct 14, 2003
Multiple call waiting in a packetized communication system
AT & T CORP135 citations98
US6553025B1Apr 22, 2003
Multiple routing and automatic network detection of a monitored call from an intercepted targeted IP phone to multiple monitoring locations
AT & T CORP86 citations98
US6836478B1Dec 28, 2004
Call hold with reminder and information push
AT & T CORP58 citations96
US6560224B1May 6, 2003
Automatic IP directory number masking and dynamic packet routing for IP phone surveillance
AT & T CORP70 citations96
US5933837AAug 3, 1999
Apparatus and method for maintaining integrated data consistency across multiple databases
AT & T CORP78 citations96
US6563797B1May 13, 2003
IP voice call surveillance through use of non-dedicated IP phone with signal alert provided to indicate content of incoming call prior to an answer as being a monitored call
AT & T CORP29 citations93
US6501752B1Dec 31, 2002
Flexible packet technique for monitoring calls spanning different backbone networks
AT & T CORP47 citations93
US6496483B1Dec 17, 2002
Secure detection of an intercepted targeted IP phone from multiple monitoring locations
AT & T CORP40 citations93
US6381220B1Apr 30, 2002
Monitoring selected IP voice calls through activity of a watchdog program at an IP-addressing mapping check point
AT & T CORP32 citations93
US5987452ANov 16, 1999
Query translation system
AT & T CORP43 citations93
US5931955AAug 3, 1999
Method and generic automatic database recovery
AT & T CORP18 citations84
US7428233B1Sep 23, 2008
IP voice call surveillance through use of non-dedicated IP phone with signal alert provided to indicate content of incoming call prior to an answer as being a monitored call
AT & T CORP4 citations63
AT & T IP II LP
5 patentsUS7760711B1Jul 20, 2010
Method for billing IP broadband subscribers
AT & T IP II LP258 citations99
US7558251B1Jul 7, 2009
Call hold with reminder and information push
AT & T IP II LP46 citations96
US7734908B1Jun 8, 2010
Protected IP telephony calls using encryption
AT & T IP II LP41 citations93
US7496190B1Feb 24, 2009
System with call forward profile
AT & T IP II LP20 citations93
US7564839B1Jul 21, 2009
Personal control of address assignment and greeting options for multiple BRG ports
AT & T IP II LP9 citations84
KUNG FEN-CHUNG
4 patentsUS8514846B2Aug 20, 2013
Responding to IP call with a prompt to select an extension and routing packets to IP phone at selected extension
KUNG FEN-CHUNG10 citations83
US8218527B2Jul 10, 2012
Personal IP toll-free number
KUNG FEN-CHUNG7 citations83
US8711735B2Apr 29, 2014
Personal IP toll-free number
KUNG FEN-CHUNG2 citations62
US8666053B2Mar 4, 2014
System with call forward profile
KUNG FEN-CHUNG3 citations62
SHORETEL INC
3 patentsUS9300699B2Mar 29, 2016
System with call forward profile
SHORETEL INC8 citations84
US8054963B2Nov 8, 2011
System with call forward profile
SHORETEL INC6 citations74
US9167097B2Oct 20, 2015
Responding to a call with a prompt and routing the call to a phone selected in response to the prompt
SHORETEL INC3 citations63