An apparatus for provisioning a data communications client on a host communications device, the host communications device adapted to operate on a communications network, the apparatus comprising: a first data store adapted to store variant configuration information; a second data store adapted to store provisioning information; a provisioning module adapted to select the provisioning information stored in said second data store as a function of the variant configuration information stored in said first data store and apply the selected provisioning information to provision the data communications client; and a user interface interacting with said provisioning module to enable a user of the host communications device to provision the data communications client.