Communications

Telephonic Communications

Centralized Switching System

No:5499290

Ain non-call associated signalling for service nodes and service control points in a telephone system

No:6038309

Apparatus and method for externally controlling processing of a service call

No:5606555

Apparatus and method for operating and constructing an optical tdm/tdma system having enhanced range

No:5414763

Apparatus and method for providing echo suppression to a plurality of telephones

No:5727058

Apparatus and method for routing communications to a variety of cpe devices

No:5717747

Arrangement for facilitating plug-and-play call features

No:5311574

Automatic customer call back for automatic call distribution systems

No:6016343

Call-processing system and method

No:6947542

Carrier identification codes (cic) transport

No:6069949

Central office providing services for high usage customers

No:5572586

Communication control apparatus and method and communication exchange apparatus and method

No:5469501

Communication exchange apparatus with switching of communication terminal information

No:5379383

Communication service control system in an intelligent network providing controllers for controlling different services

No:4788657

Communication system having reconfigurable data terminals

No:6859527

Communications arrangement and method using service system to facilitate the establishment of end-to-end communication over a network

No:5550914

Communications signalling network apparatus

No:6118862

Computer telephony system and method

No:6707899

Computer-telephone integrated system, switching control apparatus and storage medium

No:5655015

Computer-telephone integration system

No:5311572

Cooperative databases call processing system

No:7218726

Coordinated network-wide administration of exchanges

No:5825301

Cross connect apparatus with routed path protecting function

No:7463729

Data driven configuration of call management applications

No:6026157

Device for upgrading a reporting system

No:7058175

Digital switching system with shared analog line

No:6324263

Digital telephone system with automatic routing based upon caller id

No:5610976

Dual channel isdn terminal call identification and switching system

No:6292550

Dynamic call vectoring

No:5291550

Dynamic network call distributor

No:5535262

Electronic private exchange system having talking recording function

No:5235630

Emergency call station identification system and method

No:6023734

Establishing direct communications between two hosts without using a high performance lan connection

No:6078964

Establishing direct communications between two hosts without using a high performance lan connection

No:7406167

Exchange system and method using icons for controlling communications between plurality of terminals

No:5386464

Feature control system utilizing design oriented state table language

No:5566239

Floating digital loop carrier telephone interface

No:6343086

Global packet-switched computer network telephony server

No:5651058

Hotel interactive communication apparatus

No:6434226

Incoming call control system

No:6574329

Incoming call processing method, incoming call processing apparatus, and computer-readable recording medium having an incoming call processing program recorded thereon

No:5686905

Input/output switching apparatus having virtual control

No:H1918

Integrated authentication center and method for authentication in a wireless telecommunications network

No:6690788

Integrated work management engine for customer care in a communication system

No:5586178

Interface for automatic call distributor for performing agent functions via host computer

No:5892950

Interface for telecommunications network management

No:6185289

Mediated ain control of short code access to information service providers

No:5835580

Method and apparatus for automated provisioning and billing of communication services

No:5822422

Method and apparatus for controlling an exchange

No:6181696

Method and apparatus for controlling network switches

No:5594861

Method and apparatus for handling processing errors in telecommunications exchanges