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Methods of establishing and terminating connections in a distrib

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Miniature connector array

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More efficient call handling for operator assistance calls

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Nonblocking switching system and method

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Operator position and method for remote-controlling a speech con

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Private network interchange unit application-oriented half-link

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Process for determination of the last intermediate node in a net

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Processing of operational data in telecommunication system

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Programmable modular apparatus and method for processing digital

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Programmable multi-tone voice message starting system

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Programmable P/C compatible communications card

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Programmable telecommunication switch for personal computer

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Push-button signal receiving circuit and a method of...

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Read-only in-memory tables for intelligent call processing...

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Resource allocation in distributed control systems

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Routing incoming calls to a PBX in response to route requests fr

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Service and information management system for a...

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Service node for a telephony network

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Signaling using phase rotation techniques in a digital...

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Single or multi-stage switching field for telephone exchanges

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