Managing a communications system by offering participants...

Managing multicast conference calls

Media based collaboration using mixed-mode PSTN and internet...

Meter-rate billing system on a LAN system

Method and an apparatus for terminating a user from a group...

Method and apparatus for a hands-free speaker phone

Method and apparatus for a talkgroup call in a wireless CDMA sys

Method and apparatus for a talkgroup call in a wireless...

Method and apparatus for allowing communication within a group

Method and apparatus for an audio bridge

Method and apparatus for anticipating and planning...

Method and apparatus for anticipating and planning...

Method and apparatus for assigning agent-led chat sessions...

Method and apparatus for centralized multipoint conferencing in

Method and apparatus for centralized multipoint conferencing...

Method and apparatus for conferencing in an expandable telecommu

Method and apparatus for controlling a conference call

Method and apparatus for controlling switching of...

Method and apparatus for delivering IPP2T (IP-push-to-talk)...

Method and apparatus for delivering IPP2T (IP-push-to-talk)...