More functions/services85Step by StepUsing system functions from outsideDISA (direct inward system access)If configured (contact your service personnel), you can use an exter-nal phone like an internal station to set up an outgoing external con-nection via the system. You can also activate or deactivate the follow-ing system functions:• Reset services and functions, code #0 Æ page 83• Call forwarding, code *1/#1 Æ page 31• Lock and unlock phone, code *66/#66 Æ page 73• Save your PIN, code *93 Æ page 74• Send a message, code *68/#68 Æ page 77• Leave an advisory message, code *69/#69 Æ page 79• Ringing group, code *81/#81 Æ page 100• Group call, code *85/#85 Æ page 100• Caller ID suppression, code *86/#86 Æ page 71• Camp-on tone, code *87/#87 Æ page 50• Open door, code *61 Æ page 38• Release door opener, code *89/#89 Æ page 39• Control relays, code *90/#90 Æ page 89• Do not disturb, code *97/#97 Æ page 70• Ringer cutoff, code *98/#98 Æ page 70• Dial using speed dial, code *7 Æ page 45• Associated service, code *83 Æ page 84Prerequisite: Your phone supports tone dialing (DTMF) or you canswitch your phone to tone dialing. The phone is not connected to thesystem.j Establish a connection to the system. Enter the station number (con-tact your service personnel).j Wait for the continuous tone (if necessary, switch phone to tone dial-ing) and enter the internal number assigned to you and the corre-sponding PIN.( Enter the code (only required if programmed in the system).j Wait for the dial tone and enter the code for example, *97 for Do notdisturb on. If necessary, make further entries; refer also to the userguide for dial pulse/DTMF phones.orj Dial the external number.
