Communications

Telephonic Communications

Of Centralized Switching System

No:5852649

Alarm notification system and method for a telephone switch

No:6295540

Alignment of tirks using network manager

No:6411679

Apparatus and method for call progress timing measurement in ip telephony

No:6449341

Apparatus and method for managing a software system via analysis of call center trouble tickets

No:6590961

Call protect systems with handoff redundancy

No:5809491

Call traffic based exception generating system

No:6931102

Central office technician notification and information system

No:6788765

Clear defective pairs module for proactive maintenance application

No:6421424

Client simulator and method of operation for testing pstn-to-ip network telephone services for individual & group internet clients prior to availability of the services

No:5953389

Combination system for provisioning and maintaining telephone network facilities in a public switched telephone network

No:5539804

Common channel signalling communication monitoring system

No:5896441

Communication state management system and method in an intelligent network

No:5442622

Communication system with isdn as a backup of inter-pbx tie trunk

No:6351521

Communications test system

No:6160871

Communications test system

No:6446058

Computer platform alarm and control system

No:6404855

Conditioner unit for pair gain test controller

No:7050793

Context transfer systems and methods in support of mobility

No:6134515

Controlling a first type telecommunications switch upon translating instructions for a second type telecommunications switch

No:6026157

Device for upgrading a reporting system

No:7428300

Diagnosing fault patterns in telecommunication networks

No:5883939

Distributed architecture for an intelligent networking coprocessor

No:6181775

Dual test mode network interface unit for remote testing of transmission line and customer equipment

No:5570410

Dynamic resource allocation process for a service control point in an advanced intelligent network system

No:5461662

Electronic exchange apparatus

No:6356625

Environment monitoring telephone network system

No:4835683

Expert information system and method for decision record generation

No:5175866

Fail-soft architecture for public trunking system

No:3908099

Fault detection system for a telephone exchange

No:H1860

Fault testing in a telecommunications switching platform

No:6690789

Fault tolerant telephony control

No:6750643

Group wiring patching system and method for wire pair identification

No:5742672

Installation of a multi-terminal network

No:6385298

Integrated communication error reporting system

No:5940472

Intelligent services network test system

No:6272209

Lifeline telephony provision for voice over digital subscriber line

No:6385299

Line testing in a telecommunications network

No:5920608

Measurement device for communication

No:6496566

Metallic testing of a subscriber loop that provides both voice and digital subscriber line services

No:7174002

Method and apparatus for ascertaining the capacity of a network switch

No:5974114

Method and apparatus for fault tolerant call processing

No:5734697

Method and apparatus for improving telecommunications system performance

No:5715293

Method and apparatus for monitoring telecommunication signals

No:5940471

Method and apparatus for obtaining feedback regarding network services

No:6421725

Method and apparatus for providing automatic notification

No:6810112

Method and apparatus for testing an information notification service

No:6449365

Method and apparatus providing notification of network conditions

No:7433450

Method and system for connection verification

No:6157710

Method and system for distributing messages from a signal transfer point to a plurality of service control points

No:6556658

Method for adding redundant vias on vlsi chips