Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Push-to-talk PSTN back-to-back user agent for connecting a PTT system to the PSTN/ISDN world

Push-to-talk PSTN back-to-back user agent for connecting a PTT system to the PSTN/ISDN world

US Patent 8588760 · Granted Nov 19, 2013

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Initiation and/or routing of an emergency session in a packet switched communica2022
Cellular wide-area radio communication system with relay-enhanced cells2015
Push-to-talk interworking2014
Cellular wide-area radio communications system with relay-enhanced cells2013
Cellular wide-area radio communications system with relay-enhanced cells2012
Method for the operation of wireless base stations for packet transfer radio sys2006