Prepaid calling card external/adjunct database processor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5828740
SERIAL NO

08749128

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a telecommunications network, a network host call server determines whether a call placed using a prepaid calling card was issued by a vendor other than the telecommunications carrier and if so, queries a database associated with the issuing vendor for information representing the telecommunications services associated with the card.

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Patent Owner(s)

Patent OwnerAddress
SPRINT COMMUNICATIONS COMPANY L P6450 SPRINT PARKWAY MAILSTOP KSOPHN0312-3A371 OVERLAND PARK KS 66251-2100

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coppage, Carl Milton Harrisonville, MO 20 733
Khuc, Minh Duy Overland Park, KS 20 1001

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