Callback
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2
Callback
The callback feature instructs the remote access server to disconnect after authentication and then to call you back. Callback provides cost advantages to you and security advantages to your network. By immediately hanging up and then dialing you back, callback reduces phone charges. Required callback enhances network security by ensuring that only users from specific locations can access the server. By dropping the call, and then calling back a moment later to the preassigned callback number, most impersonators can be thwarted.
If callback has been required by your administrator, the following steps occur when your call reaches the remote access server:
The server determines whether your user name and password are correct.
If they are correct, the server disconnects and then returns the call.
If your administrator has configured callback for your connection through the Remote Access Preferences menu option, the following steps occur when your call reaches the remote access server:
The server determines whether your user name and password are correct.
If they are correct, the Callback dialog box appears on your computer.
You then type the current callback number in the dialog box and wait for the server to disconnect and return the call.
Optionally, you can press ESC to cancel the callback process and remain connected.
For more information about configuring your callback options, see Configure client callback options.
Notes
Your callback options are determined by your system administrator. The administrator may deny the use of callback, allow user-defined callback, or require callback to a particular number. You can contact your system administrator to determine your callback options.
If your computer is configured to accept incoming connections, you can enforce callback options on that computer. For more information, see Configure callback for incoming connections.