Inventor
TAMSIL YOSEF RIZAL
US6 patents
⚠️ This page may combine multiple inventors who share the name “TAMSIL YOSEF RIZAL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CISCO TECH INC
4 patentsUS7082119B1Jul 25, 2006
Full PBX telephony feature preservation across a voice over packet network
CISCO TECH INC15 citations81
US7886344B2Feb 8, 2011
Secure fallback network device
CISCO TECH INC6 citations69
US7830865B2Nov 9, 2010
Full PBX telephony feature preservation across a voice over packet network
CISCO TECH INC0 citations49
US9582380B2Feb 28, 2017
Secure fallback network device
CISCO TECH INC0 citations48