Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2005-11-01
2005-11-01
Nguyen, Brian (Department: 2661)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S406000
Reexamination Certificate
active
06961335
ABSTRACT:
A communications network, for example forming a local exchange carrier telephone network, utilizes three layers of fiber optic rings. The point of demarcation between customer premises media and network media comprises an intelligent soft network interface device or “soft NID”. First layer rings carry telephone and data communications between the soft NIDs and remote terminals. Several remote terminals in an area communicate via one of the next higher level rings to a host digital terminal. The host digital terminals communicate with each other via a backbone optical fiber ring, and a media gateway controller on this ring provides high level service logic. The remote terminals and preferably the host digital terminals are service switching points (SSPs), for intelligent services provided by the network. Local legacy switches connect to remote terminals, whereas a router on the backbone provides communications to other networks, including legacy long distance networks.
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Voice and Data Switching Solution Offers Unsurpassed Density and Reliability: “Intellingent, multiservice switching platform provides Class 4/5 services with unrivaled reliability and highest level of density in industry”.
Plexus 9000 “Multiservice Switching System: PSTN. New Public Network. Voice. Data.”
TDM Tandem Switching Solution: “Telica's softswitch-based, packet switch addresses immediate tandem capacity challenges and provides migration to a full end office solution.”
PlexView Billing System: “Telica's billing system delivers non-stop revenue accounting to protect your bottom line.”
Voice Packet Telephony Solution: “A High Capacity, Fault Tolerant TDM and VoP Switch, Allows switching of voice calls through the PSTN, IP and ATM networks.”
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Bartholomew Dale Lee
Carman John M.
Cave David Harold
Embrey N. Sharon
Evans Kyle Vincent
McDermott Will & Emery LLP
Nguyen Brian
Verizon Communications Inc.
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