Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Methods and apparatus for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back

Methods and apparatus for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back

US Patent 6804329 · Granted Oct 12, 2004

Estimated economic value: $263,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for controlling sessions from one or more devices2025
Method and apparatus for controlling sessions from one or more devices2023
Method and apparatus for controlling sessions from one or more devices2020
Method and apparatus for controlling sessions from one or more devices2017
Robotic mower navigation system2015
Robotic mower launch point system2013
Telecommunications system and method of session initiation protocol (SIP) based 2011
Systems and methods for testing a network2011
Systems and methods for testing a network2011
Systems and methods for testing a network2011
Traffic control in an internet protocol network2010
Traffic control in an internet protocol network2010