# US 9,521,250 B2 · Telecommunication call management and monitoring system with voiceprint verification > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,521,250 B2 - Document ID: US9521250B2 - Status: Granted - Kind: B2 - Application number: 14/743,041 - Filed: 2015-06-18 - Published: 2015-10-08 - Granted: 2016-12-13 - Earliest claimed: 2002-08-08 - Assignees: Global Tel*Link Corporation - Applicants: Global Tel*Link Corp. - Inventors: Stephen Lee Hodge - Web page: https://patentgrep.com/patent/US9521250B2 ## CPC - H04M 3/382: {using authorisation codes or passwords} - G10L 15/08: Speech classification or search - G10L 15/083: {Recognition networks (G10L15/142, G10L15/16 take precedence)} - H04L 12/28: characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks] (wireless communication networks H04W {; arrangements for dividing the transmission path H04W40/00}) - H04L 63/083: {using passwords (cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/3226)} - H04L 63/0861: {using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231)} - H04M 1/67: by electronic means - H04M 1/673: the user being required to key in a code - H04M 1/677: Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers - H04M 3/2218: {Call detail recording} - H04M 3/2281: {Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls} - H04M 3/38: Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections (queuing arrangements H04Q3/64) - H04M 3/385: {using speech signals} - H04M 3/4211: {where the identifier is used to access a profile} - H04M 3/42221: {Conversation recording systems (at the subscriber's set H04M1/656)} - H04M 7/1295: {Details of dual tone multiple frequency signalling} - H04M 17/305: {Wireless codes, e.g. Bluetooth® or RFID} - G10L 2015/088: {Word spotting} - H04L 63/126: {the source of the received data} - H04M 2201/40: using speech recognition - H04M 2201/41: using speaker recognition - H04M 2203/6054: Biometric subscriber identification - H04M 2242/12: Language recognition, selection or translation arrangements - H04W 12/06: Authentication - H04W 12/08: Access security - H04W 12/10: Integrity - H04W 12/72: Subscriber identity - H04W 28/18: Negotiating wireless communication parameters - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - G10L: SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING - 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 secure telephone call management system is provided for authenticating users of a telephone system in an institutional facility. Authentication of the users of the telephone call management system is accomplished by using a personal identification number, biometric means, and/or radio frequency means. The secure telephone call management system includes accounting software capable of limiting access to the system based on funds in a user's account, and includes management software capable of implementing widespread or local changes to the system. The system monitors a conversation in the telephone call to detect a presence of a first characteristic in audio of the conversation, and terminates the telephone call if the first characteristic does not match a second characteristic of biometric information of a user or a called party. ## Claims ### Claim 1 A system, comprising: a database; a control platform configured to: receive biometric data related to a user; store the biometric data in the database; receive identifying information related to the user; and store the identifying information in the database in correspondence with the biometric data of the user; and an authentication module configured to: receive second biometric data related to a second user; receive second identifying information related to the second user; find in the database third identifying information that substantially matches the second identifying information received from the second user; retrieve from the database third biometric data associated with the third identifying information; compare the second biometric data received from the user with the third biometric data retrieved from the database; and authenticate the second user based on the comparison. ### Claim 2 The system of claim wherein the control platform is further configured to: receive further information related to the user; store the further information in the database in correspondence with the biometric data of the user. ### Claim 3 (depends on 2) The system of claim 2, wherein the further information includes at least one of an identification number, a name of the user, a phone number, a phone number of a called party, and a language preference. ### Claim 4 (depends on 1) The system of claim 1, wherein the biometric data includes at least one of a voiceprint, a face architecture, a signature architecture, a fingerprint, a retinal print, a hand geometry, and an infrared pattern of the face. ### Claim 5 (depends on 1) The system of claim 1, wherein the identifying information includes a personal identification number. ### Claim 6 (depends on 1) The system of claim 1, wherein the identifying information includes a name of the user. ### Claim 7 (depends on 1) The system of claim 1, wherein the biometric data is received during a call, and the second biometric data is received during the same call. ### Claim 8 (depends on 1) The system of claim 1, wherein the biometric data is received during a registration process that is not a part of a call, and the second biometric data is received during an authentication step of a call. ### Claim 9 (depends on 1) The system of claim 1, wherein the user and the second user are the same user. ### Claim 10 A method, comprising: receiving biometric data related to a user; storing the biometric data in a database; receiving identifying information related to the user; storing the identifying information in the database in correspondence with the biometric data of the user; receiving second biometric data related to a second user; receiving second identifying information related to the second user; finding in the database third identifying information that substantially matches the second identifying information received from the second user; retrieving from the database third biometric data associated with the third identifying information; comparing the second biometric data received from the user with the third biometric data retrieved from the database; and authenticating the second user based on the comparing. ### Claim 11 (depends on 10) The method of claim 10, further comprising: receiving further information related to the user; storing the further information in the database in correspondence with the biometric data of the user. ### Claim 12 (depends on 11) The method of claim 11, wherein the further information includes at least one of an identification number, a name of the user, a phone number, a phone number of a called party, and a language preference. ### Claim 13 (depends on 10) The method of claim 10, wherein the biometric data includes at least one of a voiceprint, a face architecture, a signature architecture, a fingerprint, a retinal print, a hand geometry, and an infrared pattern of the face. ### Claim 14 (depends on 10) The method of claim 10, wherein the identifying information includes a personal identification number. ### Claim 15 (depends on 10) The method of claim 10, wherein the identifying information includes a name of the user. ### Claim 16 A method comprising: monitoring audio information of a telephone call wherein the audio information contains the speech of a user; obtaining biometric data related to the user from the audio information; and storing the biometric data in a database; receiving identifying information related to the user; storing the identifying information in the database in correspondence with the biometric data of the user; receiving second biometric data related to a second user; receiving second identifying information related to the second user; finding in the database third identifying information that substantially matches the second identifying information received from the second user; retrieving from the database third biometric data associated with the third identifying information; comparing the second biometric data received from the user with the third biometric data retrieved from the database; and authenticating the second user based on the comparing. ### Claim 17 (depends on 16) The method of claim 16, wherein the biometric data includes at least one of a voiceprint, a face architecture, a signature architecture, a fingerprint, a retinal print, a hand geometry, and an infrared pattern of the face. ### Claim 18 (depends on 16) The method of claim 16, wherein the identifying information includes at least one of a personal identification number and a name of the user. ### Claim 19 (depends on 16) The method of claim 16, further comprising: receiving further information related to the user; storing the further information in the database in correspondence with the biometric data of the user. ### Claim 20 (depends on 19) The method of claim 19, wherein the further information includes at least one of an identification number, a name of the user, a phone number, a phone number of a called party, and a language preference.