Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate
2005-10-31
2009-12-29
Addy, Thjuan K (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
C379S219000, C379S221030, C379S221040, C379S221070
Reexamination Certificate
active
07639793
ABSTRACT:
A method and apparatus for ensuring that every path in an IP network that interconnects a pair of VoIP network elements comprises diverse network routes and is engineered with adequate bandwidth to support VoIP phone calls are disclosed. In the event that a single point of failure or inadequate bandwidth is detected between a pair of VoIP network elements, an alarm is issued and network engineers are notified to reconfigure the routes between the VoIP network element pair.
REFERENCES:
patent: 6212169 (2001-04-01), Bawa et al.
patent: 6510219 (2003-01-01), Wellard et al.
patent: 7428209 (2008-09-01), Roberts
patent: 2002/0109879 (2002-08-01), Wing So
patent: 2005/0007955 (2005-01-01), Schrodi
Croak Marian
Eslambolchi Hossein
Addy Thjuan K
AT&T Corp.
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