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. 24, 1996
Filed:
Feb. 03, 1995
Applicant:
Inventor:
Michael E Locke, Santa Clara, CA (US);
Assignee:
Siemens Rdm Communications Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379 67 ;
Abstract
The reliability of call transfer in a PBX can be improved by verifying the availability of a destination port before a transfer is attempted. The incoming call is routed to an alternate line after the interrogation occurs. Once the availability of the desired facility is confirmed, the call can be picked up by the destination port.