User guide

Step by Step
More functions/services
134
Using functions in ISDN via code dial-
ing (keypad dialing)
If authorized (contact your service personnel), you can
access ISDN functions in some regions using codes.
v Open the Program/Service menu Æ page 41.
Select and confirm the option shown.
j Enter the required trunk number (contact your service
personnel).
j Entering a code for required ISDN function (contact your
service personnel).
Keypad dialing
Contact your network provider to find out which
ISDN functions can be code-operated in your
country.
Siemens Enterprise Communications
GmbH & Co. KG shall not be liable for damages/
costs which may be incurred by fraudulent activ-
ities or remote operation (such as toll fraud).