David C Ladd

US Patent:

7970401, Jun 28, 2011

Filed:

Jul 5, 2006

Appl. No.:

11/428671

Inventors:

Steven R. Donovan - Plano TX, US
David A. Ladd - Lisle IL, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04W 36/00

US Classification:

455436, 370345, 370341, 370252, 370235, 370329, 370401, 370328, 370331, 370349, 370335, 370338, 455552, 455553, 455442, 455438, 455445, 455426

Abstract:

A system and method for associating a handoff address to a communication session includes determining one or more communication sessions are established in a first network. Each of one or more handoff addresses is associated with each of the one or more communication sessions. Associating each of the one or more handoff addresses is according to a temporal order of establishment of the one or more communication sessions.

US Patent:

8478859, Jul 2, 2013

Filed:

Mar 22, 2006

Appl. No.:

11/277201

Inventors:

Kathleen A. McMurry - Richardson TX, US
David W. Butt - San Jose CA, US
Stephen Levy - Cary NC, US
David A. Ladd - Lisle IL, US
Dale J. Seavey - Sunol CA, US
Peter M. Gits - Claredon Hills IL, US
David J. Novice - Baltimore MD, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

G06F 15/173

US Classification:

709224

Abstract:

A customizable mechanism is provided for determining and reporting the overall reachability of a user based on the current statuses of a variety of network elements associated with the user, such as devices or applications that a user may use to communicate with others. The system can evaluate customizable reachability rules to determine an overall reachability status for the user. The system provides for distribution of reachability status and presence statuses of network elements to authorized subscribers.

US Patent:

20130297732, Nov 7, 2013

Filed:

Jun 28, 2013

Appl. No.:

13/931094

Inventors:

Kathleen A. McMurry - Richardson TX, US
David W. Butt - San Jose CA, US
Stephen Levy - Cary NC, US
David A. Ladd - Lisle IL, US
Dale J. Seavy - Alameda CA, US
Peter M. Gits - Claredon Hills IL, US
David J. Novice - Baltimore MD, US

International Classification:

H04L 29/08

US Classification:

709217

Abstract:

A customizable mechanism is provided for determining and reporting the overall reachability of a user based on the current statuses of a variety of network elements associated with the user, such as devices or applications that a user may use to communicate with others. The system can evaluate customizable reachability rules to determine an overall reachability status for the user. The system provides for distribution of reachability status and presence statuses of network elements to authorized subscribers.