Patent ID: 11863703
Assignee: GLOBAL TEL*LINK CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 15:
16. An inmate conference call detection server comprising:
an inmate communication database configured to:
store a record corresponding to an inmate communication at a correctional facility;
store an audio voiceprint of each inmate;

at least one processor configured to:
receive inmate communication data of an inmate from an inmate communication device as an audio signal of a new inmate communication;
convert the new inmate communication to a different format to extract metadata from the communication data;
convert the audio signal to a frequency domain signal;
verify a detected inmate to inmate conference call by matching the audio signal with at least one voiceprint;
query the inmate communication database using parameter values corresponding to the inmate communication data; and
receive in response to the querying using the parameter values corresponding to the inmate communication data, a list of records comprising a subset of the plurality of records with data matching one or more parameter values,
wherein the parameter values corresponding to the inmate communication data comprise a date of the inmate communication corresponding to the inmate communication data, a time of the inmate communication, a type of encoding of the inmate communication, a rate of encoding of the inmate communication, a location of the inmate communication device utilized during the inmate communication, and types of devices used during the inmate communication.