1. A method for operating a voice communications network, comprising: (a) dynamically associating a private number with at least one public number of a circuit switched voice communication network; (b) authenticating a user of a private number without reliance on a static reproducible data code; (c) receiving an incoming call to the public number, and routing the incoming call to the private number; (d) generating an outgoing call from the private number, and passing the outgoing call through the public number, while generating calling party information to a target which preserves a privacy of the caller; and (e) altering an associating of the private number and the at least one public number.