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:
Mar. 18, 2003
Filed:
Sep. 11, 1998
Applicant:
Inventor:
Masato Aoyagi, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/250 ; H04L 1/256 ;
U.S. Cl.
CPC ...
H04L 1/250 ; H04L 1/256 ;
Abstract
Multiple connections of subscriber access systems are controlled by means of V5 interfaces in a switched system accommodating interface prescribed by V5 protocol according to ETSI standards by using one B-channel as communication channel C with an access network that accommodates subscribers of another network service provider apart from communication channel C prescribed by normal V5 protocol between the local exchange and an access network operated by the service provider of the local exchange when connecting access networks accommodating subscribers of another network service providers to an access network operated by the service provider of the local exchange.