US Patent 11233897 Secure call center communications

This disclosure describes techniques for authenticating a person that seeks to engage in a voice call session with a call center agent, an interactive voice response system, or other system. In one example, this disclosure describes a method that includes storing information associating an authorized device with an account; receiving, over a network and from a device operated by a user, authentication credentials for the user; determining, based on the authentication credentials, that the user is authorized to access the account; receiving, over the network and from the device operated by the user, a request to engage in a voice conversation; responsive to receiving the request, accessing the phone number associated with the authorized device; and initiating a voice call session by placing a call, over the network, to the phone number associated with the authorized device.