Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cross cluster extension mobility in internet-protocol telephony

Cross cluster extension mobility in internet-protocol telephony

US Patent 8842689 · Granted Sep 23, 2014

Estimated economic value: $22,269,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Server-based workflow management using priorities2024
Server-based workflow management using priorities2024
Hearing augmentation systems and methods2020
Graphical display for scheduling and monitoring tasks2015
Method and system for removing authentication of a supplicant2014
Unification of rosters in a communication system2013
Cross-call agent extension mobility with call admission control and emergency ca2013
Device based emergency services for cross cluster extension mobility2012
Device based emergency services for cross cluster extension mobility2012
System and method for providing a recovery mode in a session initiation protocol2012
Method for bring-up of voice over internet protocol telephones2012
System and method for interworking communication protocols to provide supplement2011