ITU-T V.25bis Dialing Commands and Responses
D-53910-A2-GN32-40 September 1998
List Delayed Numbers Response (LSD)
LSD is a response to an LSD command issued by DTE.
LSDx;n;d
Where: x is a sequence number (not a directory location).
n is the telephone number.
d is the delay in minutes
List Forbidden Numbers Response (LSF)
The LSF response format is :
LSFx;n
Where: x is a sequence number (not a directory location).
n is the telephone number.
List Stored Numbers Response (LSN)
LSN is a response to an RLN command issued by the DTE. If a directory location is specified, then
the telephone number for that location appears. If no directory location is specified, then all
telephone numbers stored in memory appear.
The LSN response format is:
LSNx;n
Command Response
A Command Response indicates that the command entered was a valid or invalid entry. Command
Response includes Valid (VAL) and Invalid (INV).

Valid (VAL)

The VAL response indicates that the modem has accepted the V.25bis command issued by the
DTE. VAL is similar to the AT result code OK.