Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for testing a local number portability (LNP) ported telephone number

Method for testing a local number portability (LNP) ported telephone number

US Patent 7881452 · Granted Feb 1, 2011

Estimated economic value: $12,853,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Enhanced domain name system response caching2021
Systems and methods for updating a resource address2021
Enhanced domain name system response caching2020
Internet protocol (IP) multimedia subsystem (IMS) based session initiation proto2020
Methods and apparatus for provisioning and using IP clients which can be arrange2017
Method for migrating from an old communication switch to a new communication swi2013
Tandem switch migration method2010
Method for testing an assigned location routing number (LRN)2010
Congestion handling in a packet communication system2009
Interworking unit (IWU) for interfacing a plurality of client devices to a multi2008
ATM connection allocation in ATM networks2008
Establishing communication paths to law enforcement agencies2006