User Manual optiPoint 500 HP500-HP3000-HP5000 - Siemens ...

Step by Step
Using Other Functions
o Wait for a dial tone and then enter the code, such as
* 97 for Do not disturb on. Make other inputs as necessary;
(refer to the operating instructions for pulse and
DTMF telephones).
or
o Dial the external number.
You can only execute one function at a time, or
set up only one outgoing connection.
The connection is immediately released after
successful activation of a function.
In the case of an external-external call, the connection
is released as soon as either of the parties
ends the call.
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