Siemens optiPoint 500 entry Reference Manual page 5

Park a call
Retrieve call
Phone Test
Pickup-directed
Pikcup-group
Accept call
Prog. Feature key
Redial
Reject call
Release
Relocate
Complete Relocate
Reserve trunk
Reset services
Retrieve line
Ring Transfer: On
Ring Transfer: Off
Ringer cutoff on
Ringer cutoff off
Ringing group on
Ringing group off
Room monitor
Select language
Send message
View sent message
US: View message
Mailbox
Keypad dialing
Shift key Shift
Show call charges(own phone)
View all charges(other party 's phone)
Speaker call
Suppress call ID
Restore caller ID
UK: Dispaly
ID
ID
...
Program/Service
*56
#56
*940
*59
*57
*91
*9419
#9419
#0
*63
*502
#502
*98
#98
*81
#81
*88
*48
*68
#68
#68
*503
*65
*80
*86
#86
...