Telecommunication call management and monitoring system with voiceprint verification

A method for detecting an unauthorized party in a telephone call, comprising:

• storing a first voiceprint of a local user and a second voiceprint of a remote user;
• monitoring audio information of a telephone conversation between said local user and said remote user to detect a presence of a first characteristic,
• comparing said first characteristic with each of a second characteristic in said first voiceprint and a third characteristic in said second voiceprint,
• taking a control action related to said telephone conversation based on a result of the comparing said first characteristic with said second and third characteristics,
• wherein said audio information is analyzed to detect said presence of said first characteristic, and
• wherein each of the first, second, and third characteristics is at least one of a pitch, loudness, frequency or timbre.

A non-transitory computer-readable storage medium having instructions stored thereon, execution of which by a processor cause the processor to perform operations for detecting an unauthorized party, the operations comprising:

• storing a first voiceprint of a local user and a second voiceprint of a remote user;
• monitoring audio information of a telephone conversation between said local user and said remote user to detect a presence of a first characteristic,
• comparing said first characteristic with each of a second characteristic in said first voiceprint and a third characteristic in said second voiceprint,
• taking a control action related to said telephone conversation based on a result of the comparing said first characteristic with said second and third characteristics,
• wherein said audio information is analyzed to detect said presence of said first characteristic, and
• wherein each of the first, second, and third characteristics is at least one of a pitch, loudness, frequency or timbre.