Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Call center access in a push to talk based call system

Call center access in a push to talk based call system

US Patent 6980821 · Granted Dec 27, 2005

Estimated economic value: $19,973,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Utilizing meaning to find a document2025
Methods and systems for connecting a wireless communications device to a deploya2018
Bootstrapping secure connections for deployable networks2018
System of retractable shelves2018
Method and apparatus for connecting a communication device to a deployable netwo2017
Multi-modal communication2017
Method and apparatus for binding of a user-based public identity to a shared dev2016
Bootstrapping secure connections for deployable networks2016
System of retractable shelves2015
Method and apparatus for single sign-on collaboraton among mobile devices2015
Apparatus for and method of multi-factor authentication among collaborating comm2014
Multi-modal communication using a session specific proxy server2014