US Patent No: 5,018,191

Number of patents in Portfolio can not be more than 2000

Special service call routing

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

This invention relates to methods of establishing facsimile (fax) connections. When it is determined that a call is a fax call, a fax indicator is sent with Common Channel Signaling (CCS) messages for that call. If a call with a fax indicator is received in a destination switching office, then the destination office checks to see if the called number is a fax number; if not, translation is made to find the number of a fax station for serving fax calls to the called number, and the call is completed to that fax station. Fax calls may be recognized by a fax class mark in an originating message from an Integrated Services Digital Network (ISDN) line or a dialed prefix such as #, #3, or an alternative common carrier code (10XXX) from an ordinary line. Calls may be automatically redirected to a store and forward system on busy or no answer, routed to one of a plurality of alternative destinations based on the day and time, junk fax calls may be screened, and a fax message waiting lamp on the called (voice) destination may be operated. For international calls, a translation from voice to fax may be made at an egress gateway switch; the fax calls may also be automatically routed over low distortion international transmission facilities.

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First Claim

Related Publications

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AMERICAN TELEPHONE AND TELEGRAPH COMPANYMURRAY HILL, NJ3138
AT&T BELL LABORATORIESMURRAY HILL, NJ3372
AT&T INFORMATION SYSTEMS INC.MURRAY HILL, NJ371
BELL TELEPHONE LABORATORIES, INCORPORATEDMURRAY HILL, NJ3570
AT&T-BL, AT&T COMMUNICATIONS, INC.MURRAY HILL, NJ1

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Catron, Nancy A Long Valley, NJ 2 311
Famulare, Richard J Belle Mead, NJ 1 196
Fodale, Joseph V Lincroft, NJ 3 493
Hanson, Karrie J Westfield, NJ 13 425
Koch, Robert A Norcross, GA 162 1628
Large, Ronald E Holmdel, NJ 2 311
Sahni, Paramdeep S Marlboro, NJ 10 607
Schwartz, Alan I Bedminster, NJ 2 219
Zoccolillo, Susan M Howell, NJ 5 536

Cited Art

Patent Info (Count) # Cites Year
 
BELL TELEPHONE LABORATORIES, INCORPORATED (2)
4,277,649 Method and apparatus for screening telephone calls 300 1980
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ALPHANET HOSPITALITY SYSTEMS INC. (1)
4,905,273 Data transmission system 44 1987
 
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4,646,160 Facsimile apparatus 79 1984
 
OKI ELECTRIC INDUSTRY CO., LTD. (1)
4,491,873 Common controlled facsimile system 32 1981
 
RICOH COMPANY, LTD. (1)
4,870,678 Store and forward switching type communication control apparatus 41 1988
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
4,221,933 Data storage and retrieval structure for a message storage system 46 1978

Patent Citation Ranking

Forward Cites

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