Gary Clifton Lockhart

US Patent:

20060176873, Aug 10, 2006

Filed:

Feb 9, 2005

Appl. No.:

11/054088

Inventors:

Joel Krause - Princeton TX, US
Gary Lockhart - Allen TX, US
Carl Leonard - Garland TX, US

Assignee:

MCI, Inc. - Ashburn VA

International Classification:

H04L 12/66
H04L 12/56

US Classification:

370352000, 370401000

Abstract:

An approach is described for providing shared trunking between a telephony gateway and an end office switch. The telephony gateway processes a packetized voice call, and interfaces a shared trunk to an end office switch (e.g., Class 5 switch) configured to switch calls over a circuit-switched telephone network. The trunk utilizes out-of-band signaling (e.g., Primary Rate Interface (PRI) signaling) in support of call establishment or teardown of the packetized voice call.

US Patent:

20110085542, Apr 14, 2011

Filed:

Dec 14, 2010

Appl. No.:

12/967889

Inventors:

Joel M. Krause - Princeton TX, US
Gary Lance Lockhart - Allen TX, US
Carl T. Leonard - Garland TX, US

Assignee:

VERIZON BUSINESS GLOBAL LLC. - Ashburn VA

International Classification:

H04L 12/66

US Classification:

370354

Abstract:

An approach is described for providing shared trunking between a telephony gateway and an end office switch. The telephony gateway processes a packetized voice call, and interfaces a shared trunk to an end office switch (e.g., Class 5 switch) configured to switch calls over a circuit-switched telephone network. The trunk utilizes out-of-band signaling (e.g., Primary Rate Interface (PRI) signaling) in support of call establishment or teardown of the packetized voice call.