Ronald Lee Ryan

US Patent:

6615037, Sep 2, 2003

Filed:

Jun 6, 2000

Appl. No.:

09/588376

Inventors:

Jayshree A. Bharatia - Plano TX
Ronald D. Ryan - Coppell TX

Assignee:

Nortel Networks Limited - St. Laurent

International Classification:

H04Q 732

US Classification:

455414, 455432, 455445

Abstract:

An apparatus, system and method for call forwarding when roaming from a first type network, such as an ANSI-41 cellular network, to a second type network, such as a GSM cellular network. According to one embodiment of the present invention, a signaling message converter signals an originating MSC in a local communication system to redirect a call when a terminating foreign MSC cannot terminate the call due to predetermined circumstances.

US Patent:

7152103, Dec 19, 2006

Filed:

Jan 10, 2001

Appl. No.:

09/757904

Inventors:

Ronald D. Ryan - Coppell TX, US
Fereidoun Homayoun - Plano TX, US

Assignee:

Nortel Networks Limited - St. Laurent

International Classification:

G06F 15/173
G06F 15/16

US Classification:

709224, 709236, 709230

Abstract:

A method and apparatus are provided for extracting and reporting communication associated information of communications between a subject and an associate. This is achieved by populating an application identifier in the Network Layer 3, which the access networks examine in order to route the packets appropriately, and, thereby, allowing the access networks to isolate and extract the communication associated information. The access networks extract the call associated information and report the same to the Law Enforcement Agencies. Delivery to the LEAs of communication associated information may also be optimized.

US Patent:

7283521, Oct 16, 2007

Filed:

Oct 26, 2000

Appl. No.:

09/697822

Inventors:

Ronald D. Ryan - Coppell TX, US

Assignee:

Nortel Networks Limited - St. Laurent, Quebec

International Classification:

H04L 12/28
H04L 12/56

US Classification:

370389, 370230, 370242, 3703952, 379 70, 379 35, 4554042

Abstract:

A method for lawful interception of communication related information is disclosed. In the preferred embodiment, the method includes detecting the occurrence of an event in a packet data network. The method also includes collecting communication related information of a communication in the packet data network in response to the detection of the event based at least in part on the detected event and providing the collected communication related information to one or more law enforcement agencies.