1. A method for provisioning, through a wireless mobile telephone, a rendezvous to a user account in a server to ensure secure access to the user account by a client through the rendezvous having an address identifier in the server, the method comprising: establishing a communication session by the wireless mobile telephone with the server over a wireless network using a first communication protocol according to the address identifier of the rendezvous; the wireless mobile telephone having an identification associated with the user account and running a first browser, the server-coupled between the wireles network and the Internet; authenticating mutually between the wireless mobile telephone and the server so that the communication session becomes authenticated between the wireless mobile telephone and the server; establishing user credential information for the rendezvous by the wireless mobile telephone; so that the user credential information becomes associated with the rendezvous to the user account in the server, and wherein the user account in the server becomes accessible and updated by the client through the rendezvous by supplying the user credential information determined through the wireless mobile telephone.