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:
Feb. 18, 2003
Filed:
Aug. 18, 1999
Igor K Czajkowski, Bishop's Stortford, GB;
Leslie Humphrey, Harlow, GB;
Brian Michael Unitt, Bishop's Stortford, GB;
Nortel Networks Limited, St. Laurent, CA;
Abstract
An equipment architecture for Voice over Digital Subscriber Line (VoDSL) equipment is provided, along with related methods of operation. A Digital Access System (DAS) Customer Premises Equipment (CPE) is provided comprising: an internal packet switched network comprising a switch; a DAS modem connected to the internal network and arranged such that in use the internal network is coupled to an external packet switched network by a DAS link over an access network; a network-telephony interface connected to the internal network and coupled to a customer premises telephony appliance; a network-data interface connected to the internal network and coupled to a customer premises data appliance; a controller arranged to control the switch in order to establish packet transfer paths between the modem and the interfaces to complete calls between the appliances and entities on the external network; and equipment for transferring service messages across the internal network between the interfaces, the controller and the modem.