Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Providing a presence service in a communications system

Providing a presence service in a communications system

US Patent 9088621 · Granted Jul 21, 2015

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Scheduling of presence information transfer2019
System and a method for managing a subscription for a data communications networ2015
Syncing history information2014
Syncing history information2014
Method for the obtaining of position information for a user initiating an emerge2014
Method, system and apparatus for communication2014
Method for performing a rich call capability indication in a mobile communicatio2013
Method for performing a rich call capability indication in a mobile communicatio2013
Shared IP multimedia resource reservation2010
Method for redirecting contacts and setting up redirection2008