Draytek Telnet Command 1.11 - Manual (Page 39)

Telnet Command Reference Guide V1.1 33
2.7 im
This command allows users to block IM (Instant Messenger) applications.
im [-a | -d | -s | -b IM_APP | -p IM_APP]
Syntax Description
-a It means to activate Instant Messenger blocking function.
-d It means to deactivate Instant Messenger blocking function.
-s It means to view the configuration of Instant Messenger blocking
function.
-b It means to enable blocking function for a specific application.
-p It means to disable blocking function for a specific application.
-t It means to set the time schedule that IM applications will be
blocked.
IM_APP It means to specify one or more of the following IM applications, i.e.,
MSN, Yahoo, ICQ.
Example
> im -s
Instant Messenger Blocking function: Deactived
MSN messenger blocking status: Disable
Yahoo Messenger blocking status: Disable
ICQ/AOL blocking status: Disable
Time schedule: