Draytek Vigor2800 Series User Manual page 82

Callback Function
(for I models only)
Allowed Dial-In Type
ISDN:
PPTP
76
default value is inactive this function.
Local ID -In Aggressive mode, Local ID is on behalf of the IP
address while identity authenticating with remote VPN server.
The length of the ID is limited to 47 characters.
The callback function provides a callback service as a part of
PPP suite only for the ISDN dial-in user. The router owner
will be charged the connection fee by the telecom.
Require Remote to Callback-Enable this to let the router to
require the remote peer to callback for the connection
afterwards.
Provide ISDN Number to Remote-In the case that the
remote peer requires the Vigor router to callback, the local
ISDN number will be provided to the remote peer. Check here
to allow the Vigor router to send the ISDN number to the
remote router. This feature is useful for i model only.
Determine the dial-in connection with different types.
Allow the remote ISDN dial-in connection. You can further set
up Callback function below. You should set the User Name and
Password of remote dial-in user below. This feature is useful for
i model only.
Allow the remote dial-in user to make a PPTP VPN connection
through the Internet. You should set the User Name and
Password of remote dial-in user below.
Vigor2800 Series User's Guide