40
Programmable parameters
1. Pick up the handset of extension
21 .
2. Enter the program code number
19999 .
3. Dial code number 830 nn.
nn = 01...20: this is the consecutive
number of the blocked number.
Example: for blocked number 5 ,
enter code number 830 05 .
4. Enter a blocked number, for example
099 .
5. Replace the handset of extension
21 .
6. Pick up the handset of extension
21 .
7. Replace handset of extension 21 .
You hear the dial tone of the telephone
system.
You hear the acknowledgement signal.
The blocked number may consist of the
digits 1, 2, … and of the characters
*
and
#. A maximum of 6 digits is saved. All
additional digits entered will be ignored.
The entry of the blocked number is termi-
nated. You are called back. The saved
blocked number is displayed along with
the indication of the storage location
(index).
You hear the acknowledgement signal.For
further entries, proceed with item 3.
Programming is terminated.
Entering blocked numbers
Blocked numbers are entered via extension 21 at connection 1 of the telephone system.
A DTMF telephone with CLIP function is recommended for this purpose. To allow verification,
the entered phone number is displayed afterwards.
20 blocked numbers with up to 6 digits each can be entered.
