1
Mark Maggenti, Douglas M Crockett, Eric Rosen: System and method for providing group communication services in an existing communication system. Qualcomm, Philip Wadsworth, Gregory D Ogrod, Thomas M Thibault, November 5, 2002: US06477150 (382 worldwide citation)

The present invention is a system and method for providing group communication services in an existing communication system. Group communications are enabled by installing a communications manager in a data network such as the Internet. The communications manager acts as a configurable switch, allow ...


2
Douglas M Crockett, Eric C Rosen, Mark Maggenti: Method and an apparatus for adding a new member to an active group call in a group communication network. Qualcomm, Philip Wadsworth, Robert O Connell, John Ciccozzi, March 29, 2005: US06873854 (168 worldwide citation)

A method and apparatus for adding a member to an active call in a group communication network provides for receiving a member list from a user and sending a request to a server to add the member list to the active group call. The method and apparatus further provides for announcing each member in th ...


3
Mark Maggenti, Douglas M Crockett, Eric Rosen: Method and apparatus for providing arbitration in a group communication network. Qualcomm, Philip R Wadsworth, Robert J O Connell, John L Ciccozzi, July 18, 2006: US07079857 (163 worldwide citation)

A method and apparatus for arbitrating between a first communication device having floor control in a group communication network and a second communication device competing for floor control provides receiving a floor-control request from the second communication device, comparing respective priori ...


4
Mark Maggenti, Douglas M Crockett, Eric Rosen: Communication device for entering and exiting a net within a group communication network. Qualcomm, Philip R Wadsworth, Robert J O Connell, John L Ciccozzi, November 15, 2005: US06965767 (155 worldwide citation)

A method and apparatus for entering a net within a group communication network provides for requesting a current list of available nets that the communication device may join from a controller and, after receiving the current list of available nets from the controller, selecting a net from the curre ...


5
Douglas M Crockett, Eric C Rosen, Mark Maggenti: Method and an apparatus for terminating a user from a group call in a group communication network. Qualcomm, Philip R Wadsworth, Robert J O&apos Connell, Abdollah Katbab, August 24, 2004: US06781963 (148 worldwide citation)

A method and apparatus for terminating a member from a group call in a group communication network provides for receiving an indication from a user who wishes to terminate participation in a group call and sending a request to a server to terminate the user from the group call. The method and appara ...


6
Mark Maggenti, Douglas M Crockett, Eric Rosen: Controller for reducing latency in a group communication network. Qualcomm, Philip R Wadsworth, Robert J O Connell, John L Ciccozzi, December 19, 2006: US07151946 (125 worldwide citation)

A method and apparatus for reducing perceived latency in a group communication network provides for receiving a request from a user of a communication device wishing to initiate a group call, receiving media from the user before completely processing the request, and buffering the received media for ...


7
Douglas M Crockett, Eric C Rosen, Mark Maggenti: Communication device for joining a user to a group call in a group communication network. Qualcomm Incorporated, Philip R Wadsworth, Robert J O Connell, John L Ciccozzi, May 24, 2005: US06898436 (81 worldwide citation)

A method and apparatus for joining a user to a call in a group communication network provides for receiving an indication from a user who wishes to initiate a group call and sending a request to a server to add the user to the group call if the group call is in progress. The method and apparatus als ...


8
Mark Maggenti, Douglas M Crockett, Eric Rosen: Method and apparatus for enabling group communication services in an existing communication system. QUALCOMM Incorporated, Philip R Wadsworth, Robert J O Connell, John L Ciccozzi, August 9, 2005: US06928294 (75 worldwide citation)

An apparatus to form a group of communication devices over a distributed network is claimed. A first node establishes a first channel with a first communication device. At least one second node establishes at least one second channel with at least one second communication device. A controller electr ...


9
Mark Maggenti, Douglas M Crockett, Eric Rosen: System and method for providing group communication services. QUALCOMM Incorporated, Raphael Freiwirth, December 13, 2011: US08077634 (42 worldwide citation)

A system and method for providing group communication services. Each of a plurality of communication devices coverts information signals into data packets suitable for transmission over a data network, such as the Internet. The data packets are transmitted through the data network to a communication ...


10
Mark Maggenti, Douglas M Crockett, Eric Rosen: Communication device for providing security in a group communication network. QUALCOMM Incorporated, Abdollah Katbab, Raphael Freiwirth, March 30, 2010: US07689822 (10 worldwide citation)

A method and apparatus for providing security in a group communication network provides for receiving an encryption key, encrypting media for transmission to a controller using the received encryption key, the encrypted media being directed to another communication device, and communicating the encr ...