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.

Date of Patent:
Jan. 27, 2004

Filed:

Dec. 21, 1999
Applicant:
Inventors:

Graeme Gibbs, Saffron Walden, GB;

Rade Gvodanovic, Harlow, GB;

Assignee:

Noetel Networks Limited, St. Laurent, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/228 ; H04L 1/256 ;
U.S. Cl.
CPC ...
H04L 1/228 ; H04L 1/256 ;
Abstract

Voice traffic is transported between first and second media gateways over a virtual channel connection incorporated in a virtual trunk group in a packet or cell based network The virtual channel connection (VCC) is agreed between the gateways via a mutual exchange of session descriptors. Typically, the VCC is selected or created by a terminating gateway, and this information is relayed in a returned session descriptor to an originating gateway so that the connection can then be established. The session descriptor may also be used to carry information whereby the gateways can negotiate an adaptation layer and/or a connection fabric to be used.


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