Inventor
NATARAJAN GAUTHAM
US6 patents
⚠️ This page may combine multiple inventors who share the name “NATARAJAN GAUTHAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
4 patentsUS6594257B1Jul 15, 2003
Network-based method and apparatus for initiating and completing a telephone call via the internet
AT & T CORP138 citations95
US6144667ANov 7, 2000
Network-based method and apparatus for initiating and completing a telephone call via the internet
AT & T CORP445 citations95
US7567555B1Jul 28, 2009
Post answer call redirection via voice over IP
AT & T CORP8 citations82
US6771762B1Aug 3, 2004
System and method for call merge to an AIN SSP from an intelligent peripheral
AT & T CORP8 citations69