We have 1841 router configured as a Console Server and having analogy (PSTN) line connected for remote dial-up access. Currently any user who know the number can connect provided that username/password are given.
We need to configure Callback feacture in order to verify that allowed numbers/users only can dial and connect to the server.
Appreciate if anyone has configured so and provide me a document/configuration/steps to fulfil this requirement.
Fyi, I'm attaching the current configuration.