Inventor
WANG SPENCER C
US21 patents
⚠️ This page may combine multiple inventors who share the name “WANG SPENCER C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
13 patentsUS7180889B1Feb 20, 2007
Personal control of address assignment and greeting options for multiple BRG ports
AT & T CORP249 citations99
US6961559B1Nov 1, 2005
Distributed network voice messaging for wireless centrex telephony
AT & T CORP325 citations99
US6937713B1Aug 30, 2005
IP call forward profile
AT & T CORP235 citations99
US6687360B2Feb 3, 2004
Personal IP follow-me service
AT & T CORP201 citations99
US6678265B1Jan 13, 2004
Local number portability database for on-net IP call
AT & T CORP160 citations99
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
US6560224B1May 6, 2003
Automatic IP directory number masking and dynamic packet routing for IP phone surveillance
AT & T CORP70 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
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
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