Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Delaware Intellectual Property Inc
Original Assignee
BellSouth Intellectual Property Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/090,437external-prioritypatent/US6173047B1/en
Application filed by BellSouth Intellectual Property CorpfiledCriticalBellSouth Intellectual Property Corp
Publication of CA2273587A1publicationCriticalpatent/CA2273587A1/fr
Application grantedgrantedCritical
Publication of CA2273587CpublicationCriticalpatent/CA2273587C/fr