Siemens HiPath 2000 Operating Manual page 97

Step by Step
Ö ~
Wait for a dial tone and then enter the code, such as
97 for Do not disturb on. Make other inputs as neces-
*
sary (refer to the operating instructions for pulse and
DTMF telephones).
or
~
Dial the external number.
You can only execute one function or set up only
one outgoing connection at a time.
The connection is immediately cleared down
once a function has been successfully activated.
In the case of an external-external call, the con-
nection is cleared down as soon as either of the
parties ends the call.
Additional Features/Services
97