Main Content
Key Figures
Special call numbers and key figures for operating the telephone
Access to public network
00 Business calls
04 Business calls via access number (project billing)
05 Business calls via access number (normal billing)
07 Private calls from own telephone
08 Private calls via PIN
Access to the clinic
09 Calls to the hospital (free of charge)
Special numbers
20 University operator
09-60 Attendant of the hospital
110 Police emergency call
112 Emergency call fire department, emergency physician, rescue services
120 Troubleshooting center
125 Internal technical emergency call
1820 Tele secretary core university
Post dialing (in conversation or after dialing)
0 End callback
2 Initiate callback free/busy
3 Three-party conference
5 Brokering
174 Multi-frequency dialing (DTMF)
Key figures for operating a telephone
130 Call forwarding immediately
132 Call forwarding after time
134 Deleting call forwarding
138 Switching out of a hunt group
139 Switching into a hunt group
142 Access to the paging system (PSA)
144 Switching voice prompting on/off
146 Lock/unlock terminal
148 Changing the password (be sure to use the password)
149 Display charge information
152 Call forwarding remote on, with password
153 Call forwarding remote off, with password
154 Delete automatic callback on busy
155 Unattended call pickup
156 Pickup specific
158 Retrieve callback list
159 Callback last caller
162 Setting an appointment reminder
165 Delete reminder
174 MFV postdialing
176 Identity secret/send (program to free key for Easy/Premium)
177 Select language
178 Set display contrast