Digital Modem Installation Guide

64 AT commands
CTA 500 dm On Line Guide P0873832 Issue 05
Caller ID security commands summary
Caller ID Security Mode Selection
The Caller ID Security Mode Selection Command
@Svalue
allows enabling of either CLID screening or blocking, or to
disabling of Caller ID security altogether.
Result Codes
OK Appears when the value is understood and calling line ID is
supported.
ERROR Appears when the selected value is not recognized or is not
supported.
Add Number
The Add Number Command
@A=number
Command Description Value
@Sn select CLID security mode 0 disabled (default)
1 enable CLID screening mode
2 enable CLID blocking mode
@A=n add specified number to
CLID security list
@D=n remove specified number
from CLID security list
@C clear all stored numbers
&V4 display stored numbers
Value Use
0 disable Caller ID security (default)
1 enable CLID screening
2 enable CLID blocking