Voice mail service system for a private switching system

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United States of America Patent

PATENT NO 6842508
SERIAL NO

09658134

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Abstract

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A voice mail service system for a private switching system includes a system matching circuit configured to couple to a private switching system and to interface all information related to a call and management of the call. A voice data memory provides a voice mail function and stores voice guide information in an address sector of a corresponding channel after compressing the voice guide information. A voice and signal processor stores voice data of the extension subscriber in the voice data memory and retrieves it so that the voice data can be transmitted. A communication controller manages a state of each channel matching with the private switching system, processes channel errors and maintains and repairs the channel. A control circuit is used to match with the private switching system to control an operation for maintaining the voice mail function.

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Patent Owner(s)

Patent OwnerAddress
ERICSSON-LG ENTERPRISE CO LTDSEOUL 08503

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yoon, Tae In Kyoungki-Do, KR 1 0

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