# US 8,474,007 B2 · System and method of controlling identity privacy in a communication session > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,474,007 B2 - Document ID: US8474007B2 - Status: Granted - Kind: B2 - Application number: 12/645,708 - Filed: 2009-12-23 - Published: 2011-06-23 - Granted: 2013-06-25 - Earliest claimed: 2009-12-23 - Assignees: Motorola Solutions, Inc. - Applicants: Peter M. Drozt; Anatoly Agulnik - Inventors: Peter M. Drozt; Anatoly Agulnik - Web page: https://patentgrep.com/patent/US8474007B2 ## CPC - H04L 63/0407: {wherein the identity of one or more communicating identities is hidden (cryptographic mechanisms or cryptographic arrangements for anonymous credentials or for identity based cryptographic systems H04L9/00)} - H04L 51/58: Message adaptation for wireless communication - H04L 65/4061: Push-to services, e.g. push-to-talk or push-to-video - H04W 76/45: for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services - H04W 4/08: User group management - H04W 4/10: Push-to-Talk [PTT] or Push-On-Call services - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A system and methods for controlling identity privacy in a communication session include processing, at a communication server, a request from a first participant of the communication session to add a second participant to the communication session. Based on the request, the communication server establishes a set of privacy rules related to the second participant that control sharing of identity information between the second participant and a third participant of the communication session. ## Claims ### Claim 1 A method for controlling privacy in an on-going communication session, the method comprising: at a communication server: processing a request from a first participant of the on-going communication session to add a second participant to the on-going communication session, wherein the request further directs the communication server to establish a set of privacy rules related to the second participant; and establishing the set of privacy rules related to the second participant, which controls sharing of identity information between the second participant and a third participant of the on-going communication session, wherein the establishing the set of privacy rules related to the second participant is performed based on the request from the first participant and wherein the established set of privacy rules override any privacy rules and privacy settings that are requested by the second participant when joining the on-going communication session. ### Claim 2 (depends on 1) The method of claim 1 further comprising: providing an identity of the second participant to the third participant based on the set of established privacy rules. ### Claim 3 (depends on 1) The method of claim 1 further comprising: providing the identity of the third participant to the second participant based on the set of established privacy rules. ### Claim 4 (depends on 1) The method of claim 1, wherein establishing the set of privacy rules comprises defining a non-permitted list that identifies at least one participant of the on-going communication session that is withheld from receiving an identity of the second participant. ### Claim 5 (depends on 1) The method of claim 1, wherein establishing the set of privacy rules comprises defining a non-permitted list that identifies at least one participant of the on-going communication session having an identity that is withheld from the second participant. ### Claim 6 (depends on 1) The method of claim 1, wherein establishing the set of privacy rules comprises defining a permitted list, which identifies at least one of: at least one participant, but fewer than all participants, of the on-going communication session to receive an identity of the second participant; and at least one participant, but fewer than all participants, of the on-going communication session having an identity that is provided to the second participant. ### Claim 7 (depends on 1) The method of claim 1, wherein establishing the set of privacy rules comprises selecting at least one of: a participant privacy setting; a plurality of participant privacy settings; a privacy profile; or a plurality of privacy profiles. ### Claim 8 (depends on 1) The method of claim 1, wherein establishing the set of privacy rules comprises assigning, to the second participant, a privacy setting related to the third participant. ### Claim 9 (depends on 1) The method of claim 1, wherein the on-going communication session includes at least one group, and wherein establishing the set of privacy rules comprises assigning, to the second participant, a privacy setting of the at least one group. ### Claim 10 (depends on 1) The method of claim 1, wherein the second participant has an attribute, and wherein establishing the set of privacy rules comprises assigning, to the second participant, a privacy setting based on the attribute. ### Claim 11 A method for sharing participant identity information in an on-going communication session, the method comprising: at a user equipment of a first participant of the on-going communication session: inviting a second participant to the on-going communication session; and directing a communication server to establish a set of privacy rules related to the second participant, which control sharing of identity information between the second participant and at least one other participant of the on-going communication session, and wherein the set of privacy rules override any privacy rules and privacy settings that are requested by the second participant when joining the on-going communication session. ### Claim 12 (depends on 11) The method of claim 11, wherein the set of privacy rules determine at least one of: whether to provide identity information related to the second participant to the at least one other participant of the on-going communication session; whether to provide identity information related to the at least one other participant to the second participant; and wherein the at least one other participant comprises fewer than all participants of the on-going communication session. ### Claim 13 (depends on 11) The method of claim 11, wherein the set of privacy rules comprises selecting at least one of a participant privacy setting or a privacy profile. ### Claim 14 (depends on 11) The method of claim 11, wherein the set of privacy rules is established based on an attribute of the second participant. ### Claim 15 (depends on 11) The method of claim 11, wherein the set of privacy rules is established based on an attribute of the at least one other participant of the on-going communication session. ### Claim 16 A system for controlling privacy in an on-going communication session, the system comprising: a database that maintains identity information for a plurality of participants of the on-going communication session; an interface that receives a request, from a first active participant of the plurality of participants, to include an additional participant in the on-going communication session, wherein the request further directs the interface to establish a set of privacy rules related to the additional participant; and a processing device that, responsive to receiving the request, establishes the set of privacy rules related to the additional participant, which control sharing of identity information between the additional participant and a second active participant of the plurality of participants, and wherein the set of privacy rules override any privacy rules and privacy settings that are requested by the second participant when joining the on-going communication session. ### Claim 17 (depends on 16) The system of claim 16, wherein the system is a push to talk over cellular (PoC) server. ### Claim 18 (depends on 16) The system of claim 16, wherein the database further maintains a permitted list, which identifies at least one of: at least one participant, but fewer than all participants, of the on-going communication session to receive an identity of the second participant; and at least one participant, but fewer than all participants, of the on-going communication session having an identity that is provided to the second participant.