The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 1990
Filed:
Feb. 27, 1990
Applicant:
Inventors:
Henry M Forson, Annandale, VA (US);
John R Lothrop, Longmont, CO (US);
Thomas M O'Dell, Longmont, CO (US);
Rick L Overmyer, Golden, CO (US);
Assignee:
AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ; H04M / ; H04M / ;
U.S. Cl.
CPC ...
379 32 ; 379 28 ; 379-2 ;
Abstract
The functionality of the SMSI protocol is extended by adding to the SMSI protocol messages having the same format as the conventional SMSI protocol messages but implementing leave word calling functions for a voice message system adjunct processor and integrating maintenance functions of an adjunct processor and an SMSI protocol-to-non-SMSI protocol converter.