A system for managing mobile electronic communications devices includes a user directory database configured to hold authentication data associated with at least one user, an authentication authority communicatively connected to the user directory database, an administration server configured to send and receive command messages with at least one mobile electronic communications device, a messaging server configured to send and receive communications messages with at least one mobile electronic communications device, and the authentication authority, administration server, and messaging server are configured to send and receive data via a data communications network. The authentication authority accepts or denies authentication data for a user received from at least one mobile electronic communications device, stores status information corresponding to authenticated users in the user directory database, and stores an association between each authenticated user and each mobile electronic device that sent authentication data for an authenticated user in the user directory database.