Siemens 500 advance User Manual

You can assign external calls to certain projects.

Precondition: Service personnel has set up account 
codes for you.

Press the key. The LED lights up.

Select and confirm.

F?9

Enter the code.

D

Enter the account code.

G

Press this key.

Confirm.

May be necessary, depending on how your system is 
configured; contact your service personnel for details.

D

Enter the number of the external station.

Program/Service

*

You can also enter the account code during an 
external call.